Circuit breaker

Disclosed is a circuit breaker. The circuit breaker includes an arc exhaust port for exhausting an arc generated in the inner box; an outer box receiving the inner box and including an arc passage for exhausting the arc from the exhaust port to an outside; and an arc guide part for guiding the arc from the arc exhaust port into the arc passage, wherein the arc guide part includes: an upper guide; a lower guide spaced apart from the upper guide; and a connecting part connecting the upper and lower guides to each other in a longitudinal direction.

FAULT CIRCUIT INTERRUPTER DEVICE

In one embodiment, there is a fault interrupter device comprising at least one sensor comprising at least one first transformer having at least one outer region forming an outer periphery and at least one inner hollow region. There is also at least one second transformer that is disposed in the inner hollow region of the at least one first transformer. The transformers can be substantially circular in configuration, and more particularly, ring shaped. In another embodiment there is a rotatable latch which is used to selectively connect and disconnect a set of separable contacts to selectively disconnect power from the line side to the load side. The rotatable latch is in one embodiment coupled to a reset button. In at least one embodiment there is a slider which is configured to selectively prevent the manual tripping of the device. 1. A circuit interrupting device comprising:a) a housing having a front face;b) a first electrical conductor at least partially disposed within the housing;c) a second electrical conductor at least partially disposed within the housing;d) a third electrical conductor at least partially disposed within the housing; ande) a fault detection circuit;wherein at least one of said first, second, and third electrical conductors is movable between a first position wherein said conductors are electrically isolated from each other, and said first, second, and third conductors are positioned at different distances with respect to the front face; and a second position wherein said conductors are electrically connected to each other and at least two of the first, second, and third electrical conductors are positioned at a substantially same distance with respect to the front face.2. The circuit interrupting device as in claim 1 , wherein said first electrical conductor is a line conductor claim 1 , said second electrical conductor is a load conductor claim 1 , and said third electrical conductor is a face conductor.3. The circuit interrupting device ...

Arc extinguishing unit of molded case circuit breaker

The present disclosure relates to an arc extinguishing unit of a molded case circuit breaker with a barrier provided between a fixed contact and a movable contact when a circuit is cut off, including fixed contacts fixed to part of a base assembly case; movable contacts that come contact or are separated from the fixed contacts; and an arc extinguishing part that extinguishes an arc generated when the movable contacts are separated from the fixed contacts. The arc extinguishing part includes a pair of side plates; multiple grids installed at a fixed interval between the pair of side plates; and arc barriers each installed on a base assembly case in a slidable manner, and configured to be in an open state of being separated from the movable contacts when a normal current flows on the circuit or is cutoff, and to close when a fault current is cutoff.

SHIELD APPARATUS AND CIRCUIT INTERRUPTER

A shield apparatus and a resultant circuit interrupter are disclosed, wherein the shield apparatus includes a shield apparatus base and a protection apparatus, with the protection apparatus including a shield that helps to direct an electrical arc along a flow path through a number of passages and that will help to enable dissipation of the arc and the plasma generated thereby. The shield apparatus is mountable to a portion of the housing of the circuit interrupter within its interior, and the shield is situated adjacent at least a first passage. 1. A shield apparatus usable with a circuit interrupter , the circuit interrupter having a housing and further having a set of separable contacts and an operating mechanism situated on the housing , the set of separable contacts including a stationary contact and a movable contact that are switchable between a CLOSED position and an OPEN position , the operating mechanism including a spring and a contact arm , the movable contact being situated on the contact arm , the contact arm being movable to switch the set of separable contacts between the CLOSED and OPEN positions , the shield apparatus comprising:a shield apparatus base structured to be situated on the housing; anda protection apparatus situated on the shield apparatus base, the protection apparatus comprising a shield that extends away from the shield apparatus base, at least a part of the shield being situated between the stationary contact and the spring in the OPEN position of the set of separable contacts.2. The shield apparatus of wherein the protection apparatus is situated in protective disposition between the stationary contact and the spring structured to protect the spring from an arc formed between the stationary contact and the movable contact.3. The shield apparatus of wherein the housing includes a housing base and a boss that protrudes from the housing base claim 1 , the shield apparatus base being structured to be situated on the boss.4. The shield ...

FAULT CIRCUIT INTERRUPTER DEVICE

In one embodiment, there is a fault interrupter device comprising at least one sensor comprising at least one first transformer having at least one outer region forming an outer periphery and at least one inner hollow region. There is also at least one second transformer that is disposed in the inner hollow region of the at least one first transformer. The transformers can be substantially circular in configuration, and more particularly, ring shaped. In another embodiment there is a rotatable latch which is used to selectively connect and disconnect a set of separable contacts to selectively disconnect power from the line side to the load side. The rotatable latch is in one embodiment coupled to a reset button. In at least one embodiment there is a slider which is configured to selectively prevent the manual tripping of the device. 1. A circuit interrupting device comprising:a single-gang housing, the single-gang housing comprising a strap, wherein the strap has mounting holes to facilitate fastening of the circuit interrupting device to an electrical box;a first electrical conductor at least partially disposed within the single-gang housing;a second electrical conductor at least partially disposed within the single-gang housing;a third electrical conductor at least partially disposed within the single-gang housing, wherein at least one of the first, second, and third electrical conductors is movable between a first position wherein the conductors are electrically isolated from each other and a second position wherein the conductors are electrically connected to each other; anda fault detection circuit including a first sensor and a second sensor, the first sensor having an outer region forming an outer periphery and an inner hollow region, and the second sensor disposed at least partially in the inner hollow region of the first sensor, wherein at least one of the first sensor and the second sensor are configured to detect at least one fault.2. The circuit ...

Switch Module In A Moulded Casing For A Circuit Breaker And Circuit Breaker In A Modular Moulded Casing

A unipolar switching module made of insulating material and including an incorporated thermomagnetic tripping set, and/or a current measurer and power supply set for an electronic controller A multipolar low-voltage molded case circuit breaker can include unipolar switching modules, which interact with the tripping set and/or the current measurer and power supply set.

Arc Detection in Electric Meter Systems

An electrical metering system in a utility box is capable of receiving electrical signals received from a power utility company. The electrical metering system includes measurement circuitry capable of measuring properties of the received electrical signals. Based on the measurements, a determination is made that an arcing condition is present in the utility box. Based on the determination that the arcing condition is present, a disconnect circuit is activated to interrupt the connection between a source of the electrical signals and a premises. 1. A system to detect electrical arcing conditions between an electrical meter and a meter socket in a utility box capable of providing a metered utility to a premises , the system comprising:the electrical meter configured to transmit electrical signals from a utility side of the meter socket to a premises side of the meter socket, the electrical meter having a disconnect circuit capable of interrupting the transmission of the electrical signals;a measurement circuit capable of producing a set of measurement values of the electrical signals transmitted by the electrical meter; anda processor capable of communicating with the measurement circuit and the disconnect circuit; receiving the set of measurement values,', 'comparing one of the values of the set of measurement values to a threshold,', 'determining, based on the comparison, that an arcing condition is present, and', 'in response to determining that the arcing condition is present, providing a disconnect signal to the disconnect circuit,, 'wherein the processor is capable ofwherein the disconnect circuit is configured to receive the disconnect signal and disconnect the premises from the electrical signals.2. The system of claim 1 , wherein:the set of measurement values includes a line distortion measurement value,wherein comparing one of the values of the set of measurement values to the threshold includes comparing the line distortion measurement value to a threshold ...

Circuit Interrupter With Status Indication

A circuit interrupter having a status indicator providing a current status of the circuit interrupter, the status indicator presenting one of: an On state, an Off state or a Fault state. The status indication is provided as a visual status and is color coded to one of the three circuit interrupter states. The circuit interrupter further including, in one configuration, a rocker actuator that rotates about an axis and the status indication mechanism is coupled to the rocker actuator. 1. A circuit interrupter comprising:a housing;a first contact electrically connectable to a power source;a second contact electrically connectable to a load;said first and second contacts being movable between a closed and open position relative to each other;a handle coupled to at least one of said first or said second contacts such that, when said handle is moved to an off position, the at least one contact moves to the open position, which comprises an off state, and when said handle is moved to a on position, the at least one contact the closed position, which comprises an on state;an overcurrent protection circuit coupled to the at least one contact;wherein when a current through the first and second contacts exceeds a threshold level, said overcurrent protection circuit functions to move the at least one contact to a tripped position, which comprises a fault state; anda status indicator that provides a visual indication of whether the circuit breaker is in each of: the off state, the on state and the fault state.2. The circuit interrupter of claim 1 , wherein said handle comprises a rocker actuator having an axis of rotation claim 1 , and said status indicator comprises a rotational element that rotates about the axis of rotation of said rocker actuator.3. The circuit interrupter of claim 2 , wherein said status indicator includes a status surface having three areas each corresponding to one of: the off state claim 2 , the on state and the fault state.4. The circuit interrupter of ...

ELECTRICAL SWITCHING APPARATUS AND TRIP ASSEMBLY THEREFOR

A trip assembly is for an electrical switching apparatus. The electrical switching apparatus includes a housing, an electrical communication assembly coupled to the housing, separable contacts enclosed by the housing, and an operating mechanism for opening and closing the separable contacts. The trip assembly has an indication assembly including a plunger member and a number of auxiliary switches each structured to be coupled to the housing. The plunger member is structured to actuate each of the number of auxiliary switches, thereby electrically communicating a circuit status to the electrical communication assembly. 1. A trip assembly for an electrical switching apparatus , said electrical switching apparatus comprising a housing , an electrical communication assembly coupled to said housing , separable contacts enclosed by said housing , and an operating mechanism for opening and closing said separable contacts , said trip assembly comprising:an indication assembly comprising a plunger member and a number of auxiliary switches each structured to be coupled to said housing,wherein said plunger member is structured to actuate each of said number of auxiliary switches, thereby electrically communicating a circuit status to said electrical communication assembly.2. The trip assembly of wherein said number of auxiliary switches comprises a first auxiliary switch and a second auxiliary switch each comprising a body portion and a deflection member disposed on said respective body portion; wherein said plunger member is structured to move between said first auxiliary switch and said second auxiliary switch; and wherein claim 1 , responsive to said plunger member moving between said first auxiliary switch and said second auxiliary switch claim 1 , each of said deflection member of said first auxiliary switch and said deflection member of said second auxiliary switch deflects inwardly with respect to said respective body portion in order to electrically communicate the ...

SWITCHING DEVICE WITH EFFECTIVE COOLING OF OUTFLOWING GASES

A switching device with effective cooling of outflowing gases includes: an arc extinguishing chamber; an orifice for outflow of the gases from the arc extinguishing chamber; and a multilayer wire cloth or fabric having at least a first wire layer and a second wire layer. The first wire layer and the second wire layer have a respective cloth or fabric structure including respective warp yarns and weft yarns. The first and second wire layers are disposed in a stacked configuration in the orifice such that a weaving direction of the warp yarns of the first wire layer is rotated by an angle in relation to a weaving direction of the warp yarns of the second wire layer, and a weaving direction of the weft yarns of the first wire layer is rotated by an angle in relation to a weaving direction of the weft yarns of the second wire layer.

Breaker facilitating rapid movement and elongation of arc

A breaker comprises a static contact, a moving contact, and an arc-extinguishing chamber. A contact surface of an electrical contact of the static contact and an electrical contact of the moving contact and a bottom plane of a base form an acute angle that is located in the first quadrant. The moving contact comprises a conducting rod having a projecting portion, and the electrical contact which is welded on an end surface of the projecting portion in a direction facing the electrical contact of the static contact. A bottom arc-ignition grid plate on the bottom of the arc-extinguishing chamber is arranged lower than the electrical contact of the static contact. A top arc-ignition grid plate on the top of the arc-extinguishing chamber is arranged higher than the maximum position of the electrical contact of the moving contact when the moving contact is opened.

CIRCUIT INTERRUPTER, TRIP DECK ASSEMBLY, AND SUPPORT FOR SWITCH THEREFOR

An improved multi-pole circuit interrupter includes an improved trip deck assembly adjacent one pole and further includes an accessory deck adjacent another pole. The accessory deck includes conventional accessory devices such as an auxiliary switch, etc., and the trip deck assembly includes switches and one or more other devices that can interact with a crossbar and a trip bar of the circuit interrupter. Such switches can be easily installed by a technician in the field after manufacture of the circuit interrupter. One switch is held in place by a support, and the other switch is held in place by a retainer, with the support and the retainer holding the switches in a fixed position on the trip deck assembly in order to interact with the crossbar and the trip bar. 1. A support for a switch that is structured to mount the switch to a platform , the switch having a housing and further having a plunger that is movably situated on the housing , the support comprising:a base structured to engage the housing, the base having an opening formed therein that is structured to receive therethrough at least a portion of at least one of the housing and the plunger;a number of walls situated on the base;a mounting apparatus that is structured to be usable to affix the number of walls to the platform; anda receptacle that is situated adjacent the base and the number of walls and that is structured to receive the housing therein.2. The support of wherein the mounting apparatus comprises a tab that is situated on the number of walls and that protrudes from the number of walls in a direction generally away from the receptacle.3. The support of wherein the mounting apparatus comprises a pair of tabs that are situated on the number of walls and that protrude away from one another in opposite directions.4. A trip deck assembly comprising the support of claim 1 , the trip deck assembly being structured to be usable with a circuit interrupter having a plurality of poles claim 1 , a ...

Electrical Contact System

An electrical contact system includes: a static contact, a movable contact and an arc extinguishing device. The arc extinguishing device includes an arc extinguishing member and a driving mechanism for moving the arc extinguishing member. When the movable contact is moved to the switch-on position, the arc extinguishing member is moved beyond the contact area between the movable contact and the static contact so as to allow the movable contact to be in electrical contact the static contact; and when the movable contact is moved to the switch-off position, the arc extinguishing member is moved into the contact area between the movable contact and the static contact such that the movable contact is electrically isolated from the static contact to cut off the electric arc between the movable contact and the static contact. The arc extinguishing member may be driven by the driving mechanism to be quickly moved into the contact area between the movable contact point and the static contact point.

Medium voltage vacuum interrupter contact with improved arc breaking performance and associated vacuum interrupter

Electrical switching contact with radial magnetic field for a medium-voltage vacuum interrupter including a rod and a contact body, coaxial to the rod, which includes a disc and a circular element concentric with the disc and arranged protruding on a face of the disc, the other face of the disc being secured to the rod. The contact body has a spiral configuration; the disc includes slits in the thickness of the disc which extends from the periphery of the disc towards the centre of the disc; the circular element has an outer diameter smaller than the diameter of the disc. The disc and the circular element are made of a copper alloy with a refractory metal chosen from among chromium, tungsten and molybdenum, the alloy of the circular element including a proportion by weight of the refractory metal greater than that of the alloy of the disc.

Bi-directional direct current electrical switching apparatus including small permanent magnets on ferromagnetic side members and one set of arc splitter plates

An electrical switching apparatus for bi-directional direct current switching and interruption includes separable contacts, an operating mechanism to open and close the contacts, and an arc chute. The arc chute includes two ferromagnetic side members each having a first side and an opposite second side, the first side of a second ferromagnetic side member facing the first side of a first ferromagnetic side member, a first permanent magnet disposed on the first side of the first side member, a second permanent magnet disposed on the first side of the second side member, and a single set of a plurality of arc splitter plates disposed between the permanent magnets. The permanent magnets are substantially smaller in size than each of the side members. The arc chute is divided into two arc chambers each of which is for a corresponding direction of DC flow through the contacts.

Breaker for high d.c. current or voltage applications, for instance industrial and/or railways applications

An improved breaker for high current or voltage applications, for instance industrial and/or railways applications, is provided wherein a high current must be switched on/off or interrupted with high efficiency and extremely fast intervention times. The breaker may include a base portion including an activating mechanism including a holding mechanism and a release mechanism, an intermediate switching or breaking contact portion, including fixed contacts and movable contacts, and a top arc chute extinguishing portion covering the intermediate switching or breaking contact portion. The arc chute extinguishing portion of the breaker is moveable with respect to the switching or breaking contact portion and is provided with external polar expansions that are coupled on both main sides of the breaker. Further polar expansions may be electrically coupled to the external polar expansion and linked to the intermediate switching or breaking contact portion.

SWITCH DEVICE WITH IMPROVED PERMANENT MAGNETIC ARC EXTINCTION

Disclosed is a switch device with at least one contact point and a permanent magnetic arc blowing device which is paired with the contact point, wherein the arc blowing device has at least one second permanent magnet () as an auxiliary magnet, and the auxiliary magnet is arranged in the direct vicinity of the contact point (), such that at least one section of the magnetic field () of the auxiliary magnet () amplifies the blow-out field in the transition region. 1161626321222122616263616362632323233132151515. Switch device () with at least one contact point and one permanent magnetic arc blowing device associated with the contact point , wherein the arc blowing device comprises a first lateral pole plate (.) , a second lateral pole plate (.) , a central pole plate (.) arranged therebetween , and at least one first permanent magnet (. , .) to generate a magnetic blow-out field , wherein the at least one first permanent magnet (. , .) is arranged and is in contact with at least one of the pole plates (. , . , .) either directly or via a magnetic conductor such that a first magnetic field region of the blow-out field is provided between the first lateral pole plate (.) and the central pole plate (.) , and such that a second magnetic field region of the blow-out field is provided between the second lateral pole plate (.) and the central pole plate (.) , wherein the magnetic field lines () of the first magnetic field region are aligned opposite the magnetic field lines () of the second magnetic field region , and wherein the blow-out field additionally has a transition region which connects the first magnetic field region and the second magnetic field region together , wherein the magnetic field lines () are aligned identically in each case starting from the first magnetic field region and the second magnetic field region toward the contact point in the transition region such that a switching arc (. , .) produced within the transition region upon opening the contact ...

Arc runners suitable for dc molded case circuit breakers and related methods

Circuit breakers include an arc chamber and an arc chute comprising a plurality of arc plates in the arc chamber. The circuit breakers also include a line conductor assembly with at least one arc runner attached to a line conductor in the arc chamber. The arc runner can extend below but adjacent to a bottom arc plate to thereby guide a respective arc into the arc chute.

Molded case circuit breaker

Disclosed is a molded case circuit breaker. The molded case circuit breaker includes a case; an interrupter assembly installed in the case, and provided with an arc gas outlet for discharging arc gas generated from inside of the interrupter assembly to outside; an exhaustion guiding portion disposed between the interrupter assembly and the terminal portion, and provided with a discharge chamber therein, to thus provide an arc gas passage between the arc gas outlet and a vent chute of the terminal portion; and an exhaustion cover mounted to the case with a structure to cover the exhaustion guiding portion, to thus block the arc gas passage.

EXTINGUISHING UNIT OF MOLDED CASE CIRCUIT BREAKER

The present disclosure relates to an extinguishing unit for a molded case circuit breaker, and more particularly, to an extinguishing unit for a molded case circuit breaker that has grids double-arranged in an extinguishing part to improve arc extinguishing performance. 1. An extinguishing unit for a molded case circuit breaker comprising:a pair of side plates arranged to face each other; anda plurality of grids arranged in a space defined between the pair of side plates,wherein the grids comprise:a plurality of first grids arranged at a front portion of the pair of side plates; anda plurality of second grids arranged at a rear portion of the pair of side plates,wherein a re-division space for re-dividing an arc is defined between the first grids and the second grids,wherein the first grids are inclined up in a rearward direction with respect to a bottom surface of a case, and the second grids are inclined up in the rearward direction with respect to the bottom surface of the case.2. The extinguishing unit according to claim 1 , wherein the first grids are inclined to form a first inclination angle with the bottom surface of the case claim 1 , andthe second grids are inclined to form a second inclination angle with the bottom surface of the case,wherein the second inclination angle is greater than the first inclination angle.3. The extinguishing unit according to claim 1 , wherein a front portion of each of the first grids is provided with a first cutout portion claim 1 , the first cutout portion providing a space in which the movable contact arm is rotatable and a space in which the arc is dividable.4. The extinguishing unit according to claim 1 , wherein a front portion of each of the second grids is provided with a second cutout portion claim 1 , the second cutout portion providing a space in which the arc is re-dividable.5. The extinguishing unit according to claim 1 , wherein the number of the first grids is equal to the number of the second grids.6. The ...

Switch With Illumination Structure and Indication

A switch that includes an illumination structure that extends at least partially around a perimeter of the switch. The illumination structure being illuminated based on the status of the switch. The switch also including a switch surface that includes a transparent or translucent material that can be illuminated based on the status of the switch. The switch being adapted for use in a wet or damp environment.

Interruption device

A disconnect device includes: a conductor connectable to an external conductive path; a housing that has an internal space and accommodates at least a part of the conductor; and a cooling body that is disposed in the internal space and cools an arc generated in the internal space. The cooling body includes a porous body configured with at least one of a metal oxide and an inorganic oxide.

OVERLOAD PROTECTION SWITCH WITH REVERSE RESTART SWITCHING STRUCTURE

An overload protection switch with reverse restart switching structure, particularly to one that has a molded-case circuit breaker which adding a lampshade parallel stagnation position for overload indication, and when resetting, needs to press back to the RESET for reconfirmation; due to the stagnation position and reverse restart structure, it can avoid repeating the reset action, preventing the reduction of the life of the overload protection switch and repeated exposure or the misjudgment and then resetting of electrical products that have been overloaded and tripped and then overload again then results in causing dangerous; also, the lampshade can be completely tripped even when the lampshade is suppressed, and prevent the danger of repeated tripping during overload. 1. An overload protection switch with reverse restart switching structure , comprising:a housing having a lampshade arranged atop thereof, and a first terminal and a second terminal arranged at the bottom section; the first terminal is connected to a binary alloy conductive plate, the binary alloy conductive plate extends a spring leaf having a first connecting point, and the second terminal having a second connecting point on the surface of an upper section thereof corresponding to the first connecting point;a moving rod linking up a pivot hole at the bottom of the lampshade with one end and the binary alloy conductive plate with the other end for the first connecting point to contact the second connecting point, when the pivot hole is pushed inward, consequently achieve conducting state (ON), and for the first connecting point to detach from the second connecting point when current overload occurs and the binary alloy conductive plate is deformed due to high temperature, consequently achieve non conducting state (OFF), so as to form an overcurrent protection switch; wherein:{'b': 1', '2', '3', '3', '1', '2, 'the moving rod includes: a horizontal rod arranged at the upper section of the main body ...

Arc suppression device, mobile body, and power supply system

[Problem] A new and improved arc suppression device is provided that allows for reduction in power consumption in a semiconductor at a time of power shutoff by reducing power consumption of a current-limiting circuit that is used for suppression of an arc occurring at the time of power shutoff. [Solving means] Provided is an arc suppression device including one or more current-limiting circuits provided in parallel with a circuit breaker that switches between feeding and shutoff of power from a power supply. The current-limiting circuit shuts off a current from the power supply when the power from the power supply is fed to a load through a circuit breaker. The current from the power supply is shut off when a voltage generated by a potential difference between contacts of the circuit breaker becomes a predetermined voltage or higher in a case where feeding of the power from the power supply to the load is shut off by the circuit breaker. The potential difference is generated upon shutoff.

CONTACTOR WITH COIL POLARITY REVERSING CONTROL CIRCUIT

A contactor includes a plurality of switches mechanically coupled to an actuator. The actuator is moveable between operational and tripped positions. Switches that are closed in the operational position are open in the tripped position, and vice versa. The actuator extends through a coil as a core. The coil moves the actuator when an input signal is applied to the coil. A first input circuit receives a power-up input signal to transition the contactor from a tripped position to an operational position. A second input circuit receives a trip signal to transition the contactor from the operational position to the tripped position. First and second switches, coupled to respective first and second ends of the coil, reverse the polarity of the coil each occurrence of the actuator being actuated in preparation for the coil to be energized and magnetically polarized in an opposite direction during a next subsequent actuation. 1. A contactor , comprising:a plurality of switches;a first input circuit for receiving a power-up input signal;a second input circuit for receiving a trip input signal;a movable actuator mechanically coupled to switches in the plurality of switches, the actuator moveable between a tripped position and an operational position upon receipt of a power-up input signal on the first input circuit, and moveable between the operational position and the tripped position upon receipt of a trip input signal on the second input circuit;a coil having first and second ends, the moveable actuator extending through the coil as a core, the coil capable of moving the actuator when either a power-up input signal is received by the first input circuit or a trip input signal is received by the second input circuit; the first and second switches being switchable to include the coil in the second input circuit when the actuator is in the operational position, wherein when the trip input signal is received on the second input circuit the coil is energized to operate the ...

Multipolar air-break circuit breaker including an improved device for filtering quenching gas

A high-voltage multipolar circuit breaker including a first chamber for receiving gases, in communication with a first arc quenching chamber, and including a first aperture for exhausting gases to the exterior of the casing, the aperture being provided with a first downstream filtering device. The circuit breaker furthermore includes at least one second chamber for receiving gases, in communication with at least one second arc quenching chamber of another pole of the circuit breaker, the chamber itself being equipped with a second upstream device for filtering gases, the second chamber for receiving gases including a second aperture for exhausting gases to the exterior of the casing, the chamber being provided with a second downstream filtering device, the first chamber for receiving gases and the second chamber for receiving gases being separated fluidically one from the other by an impermeable wall.

ELECTRIC SWITCHING APPARATUS COMPRISING AN IMPROVED ARC-QUENCHING DEVICE

The present invention relates to an electric switching apparatus, in particular a DC contactor. The switching apparatus has at least one switching point as well as at least one arc-quenching device that is assigned to the switching point. The arc-quenching device comprises at least one quenching element and at least one permanent magnet for influencing an arc that arises during the switching process. The arc is blown into the quenching element by a magnetic field that is created by the permanent magnet. It is provided according to the invention that the at least one permanent magnet forms at the same time the quenching element and that it is arranged and polarized in a way that the arc is attracted by the permanent magnet and thereby sucked onto the permanent magnet and quenched by said permanent magnet. 115-. (canceled)16132233233317. An electric switching apparatus () , in particular a DC contactor with at least one switching point as well as at least one arc-quenching device that is assigned to the switching point , whereby the arc-quenching device comprises at least one quenching element and at least one permanent magnet () for influencing of an arc () that arises during the switching process , whereby the arc () is blown into the quenching element by a magnetic field created by the permanent magnet () , whereby the at least one permanent magnet () forms at the same time the quenching element and is arranged and polarized in a way that the arc () is attracted by the permanent magnet () and thereby sucked onto the permanent magnet () and quenched by said permanent magnet , characterized in that the permanent magnet () is enclosed , at least in the area that is exposed to the arc , by a protection sleeve () made of ceramic.171131413143. The electric switching apparatus () according to claim 16 , characterized in that the arc-quenching device has a quenching chamber ( claim 16 , ) claim 16 , whereby the quenching chamber ( claim 16 , ) has an outlet opening claim ...

STRUCTURE OF CONTACTS FOR AIR CIRCUIT BREAKER

The present invention relates to a structure of contacts for an air circuit breaker, in which a movable contact arm can be stably brought into contact with a fixed contact arm by changing an applying direction of an electromagnetic repulsive force generated between a movable contact and a fixed contact, and, to this end, the structure, which includes the fixed contact arm having the fixed contact, and the movable contact arm having the movable contact and rotatably installed to be brought into contact with or separated from the fixed contact arm, is configured such that the fixed contact and the movable contact have contact surfaces, respectively, disposed in an inclined manner, and a line commonly passing the contact surfaces of the fixed contact and the movable contact forms an acute angle with respect to a line passing through a center of a longitudinal axis of the movable contact arm. 1. A structure of contacts for an air circuit breaker , the structure comprising:a fixed contact arm having a fixed contact; anda movable contact arm having a movable contact, and rotatably installed to be brought into contact with or separated from the fixed contact arm,wherein the fixed contact and the movable contact have contact surfaces, respectively, that are disposed in an inclined manner, andwherein a line commonly passing the contact surfaces of the fixed contact and the movable contact forms an acute angle with respect to a line passing through a center of a longitudinal axis of the movable contact arm.2. The structure of claim 1 , wherein the fixed contact is coupled to a fixed contact sheet that is formed by bending a part of the fixed contact arm claim 1 , and the movable contact is coupled to a movable contact sheet that is formed by bending a part of the movable contact arm.3. The structure of claim 1 , wherein the fixed contact and the movable contact have the contact surfaces formed in the inclined manner.4. The structure of claim 1 , wherein the acute angle is ...

INDICATION DEVICE OF ELECTRIC SWITCH

An indication device of an electric switch comprises an indication component (), a driving component () and a positioning component (). The indication component () has at least three indication positions. Each indication position corresponds to one state of the electric switch, and the indication component () shows one indication mark at each indication position. The indication device of electric switch uses a single indication component () having at least three indication positions, and the third position is provided via deformation of the indication component () itself, thus realizing a simple structure and low manufacturing cost. 1. An indication device of electric switch , wherein an indication component of the indication device is provided with at least three indication positions , each indication position corresponding to one state of the electric switch , and the indication component showing one indication mark at each indication position.2. The indication device of electric switch according to claim 1 , further comprising:{'b': 101', '101', '141', '104', '101, 'an indication component () rotatably mounted on a shell of the electric switch, the indication component () being aligned with an indication hole () in a panel () of the electric switch, the indication component () being provided with a plurality of indication marks;'}{'b': 103', '103', '101', '101', '141, 'a driving component () mounted within the shell of the electric switch, the driving component () driving the indication component () to rotate to one indication position, and one of the indication marks on the indication component () being aligned with the indication hole ();'}{'b': 102', '102', '101', '101', '141, 'a positioning component () mounted within the shell of the electric switch, the positioning component () cooperating with the indication component (), so that a particular indication mark on the indication component () is aligned with the indication hole ().'}3101. The indication device ...

ELECTRICAL CIRCUIT BREAKER

An electric circuit breaker that prevents damage due to increased internal pressure after an electric circuit is cut off and prevents an arc from leaking to the outside. Such a circuit breaker includes a housing, a cut portion that is arranged in the housing and forms a part of an electric circuit, a cutting member that cuts the cut portion, and a power source arranged on a first end portion side of the housing, the electric circuit breaker including a moving body including the cutting member, in which the housing includes a cylindrical portion capable of moving the moving body between the first end portion and a second end portion on a side opposite to the first end portion, in which the moving body is configured such that the cutting member provided in the moving body cuts a separation piece of the cut portion. 1. An electric circuit breaker , including a housing , a cut portion that is arranged in the housing and forms a part of an electric circuit , a cutting member that cuts the cut portion , and a power source arranged on a first end portion side of the housing ,the electric circuit breaker comprising a moving body including the cutting member,wherein the housing includes a cylindrical portion capable of moving the moving body between the first end portion and a second end portion on a side opposite to the first end portion,wherein the moving body is configured such that the cutting member provided in the moving body cuts a separation piece of the cut portion while the moving body moves from the first end portion toward the second end portion by the power source,wherein the housing includes an outer arc extinguishing space on an outer side of the cylindrical portion, andwherein the outer arc extinguishing space accommodates a main body portion of the cut portion that remains in the housing without being cut when the cutting member cuts the cut portion, while allowing the main body portion to be inserted through an inside of the outer arc extinguishing space.2. ...

Electrical circuit breaker

An electric circuit breaker, including a housing, a cut portion that is arranged in the housing and forms a part of an electric circuit, a cutting member that cuts the cut portion, and a power source arranged on a first end portion side of the housing, the electric circuit breaker including a moving body that allows the cut portion to be inserted and accommodated therein and includes the cutting member and a first arc extinguishing space adjacent to the cutting member, in which the housing includes a cylindrical portion capable of moving the moving body between the first end portion and a second end portion on a side opposite to the first end portion. The moving body is further configured such that the cutting member provided in the moving body cuts the cut portion while the moving body moves from the first end portion toward the second end portion by the power source.

ARC CHAMBER FOR A LOW-VOLTAGE SWITCHING DEVICE

An arc chamber for a low voltage switching device comprising an insulating casing having a first and a second lateral walls a rear and a front wall that defines an internal space housing a number of arc-breaking plates, a top wall of said casing having a discharge opening for venting off the gases from said internal space, said discharge opening being covered by a top cover The arc chamber for a low voltage switching device comprises a filter made of an open cell metal foam is positioned at said discharge opening 11. An arc chamber for a low voltage switching device comprising an insulating casing () , having a first and a second lateral walls a rear and a front wall , that defines an internal space housing a number of arc-breaking plates , a top wall of said casing having a discharge opening for venting off the gases from said internal space , said discharge opening being covered by a top cover , and a filter made of an open cell metal foam is positioned at said discharge opening.2. The arc chamber for a low voltage switching device claim 1 , according to claim 1 , wherein said filter made of an open cell metal foam covers entirely said discharge opening.3. The arc chamber for a low voltage switching device claim 1 , according to claim 1 , wherein said open cell metal foam of said filter has a porosity of greater than 70% claim 1 , preferably greater than 80% claim 1 , more preferably greater than 85%.4. The arc chamber for a low voltage switching device claim 3 , according to claim 3 , wherein said open cell metal foam of said filter has a thermal conductivity of lower than 15 W·m·K.5. The arc chamber for a low voltage switching device claim 4 , according to claim 4 , wherein said open cell metal foam of said filter has a tensile strength of greater than 5 MPa.6. The arc chamber for a low voltage switching device claim 5 , according to claim 5 , wherein said open cell metal foam of said filter is provided with a structure having randomly distributed channels.7. ...

Plug-on neutral breakers and related methods

Plug-on neutral circuit breakers include an AFCI OR GFCI circuit breaker housing, a neutral conductor with an external end portion extending from the AFCI/GFCI circuit breaker housing, and a clip assembly attached to the neutral conductor at a specific length configured to align with the loadcenter neutral bar location. The clip assembly includes a conductive clip with downwardly extending, spaced apart legs. The legs are sized and configured to clamp against opposing sides of a neutral bar.

Minitype breaker with high stability

A high-stability miniature circuit breaker includes an operating mechanism, wherein a pivotal shaft of the operating mechanism fixed on a shell includes a first shaft section, a second shaft section and a shaft shoulder; the diameter of the second shaft section is larger than that of the first shaft section, and the diameter of the shaft shoulder is larger than that of the second shaft section. A lever is installed on the first shaft section through a first shaft hole in a pivoting way and used for limiting the axial position of a protruding mesa relative to the pivotal shaft through contact fit between the protruding mesa disposed on the lever and a thrust surface on the second shaft section. A latch assembly is installed on the second shaft section through a second shaft hole in a pivoting way; a first end face fitted with a support surface on the shaft shoulder is disposed at one end of the second shaft hole; and a second end face fitted with the protruding mesa is disposed at the other end of the second shaft hole. A first hasp fitted with a second hasp of the latch assembly is disposed on a connecting rod, the connecting rod is engaged with each other with the latch assembly in the first and second hasp contact and withhold state, and the latch assembly controls a drive rod and the lever not to move relatively; the connecting rod is separated from the latch assembly when the first and second hasps are separated and unbuckled, and the latch assembly is separated from the drive rod, so that the drive rod can slide along a groove of the lever.

Adapters for Obtaining Operational Data from Circuit Breakers and Related Systems and Methods

A system includes a circuit breaker and an adapter. The circuit breaker includes a front face with a light source on the front face. The adapter is configured to be releasably held on the front face in an installed position. The adapter includes a light sensor that aligns with the light source in the installed position. The light source and the light sensor are configured to communicate such that the adapter receives operational data from the circuit breaker in the installed position. 1. A system comprising:a circuit breaker comprising a front face with a light source on the front face; andan adapter configured to be releasably held on the front face in an installed position, the adapter comprising a light sensor, wherein the light source and the light sensor are configured to communicate such that the adapter receives operational data from the circuit breaker in the installed position.2. The system of wherein:the adapter comprises a housing having a front portion and a rear portion, the rear portion comprising first and second spaced apart side rails that are configured to engage first and second side surfaces of the front face to hold the adapter in the installed position optionally with a friction fit.3. The system of wherein:the rear portion of the adapter housing comprises a lower rail that is configured to engage a lower surface of the front face in the installed position.4. The system of wherein:the first and second side rails and the first and second side surfaces cooperate to align the adapter and the front face in a first direction; andthe lower rail and the lower surface cooperate to align the adapter and the front face in a second direction that is orthogonal to the first direction.5. The system of wherein:the light sensor is aligned with the light source in the installed position;the first and second side rails and the first and second side surfaces cooperate to align the light sensor and the light source in a first direction; andthe lower rail and the ...

Circuit breaker including single pole breaking unit

Provided is a circuit breaker with a single pole breaking unit including a housing, a movable contact provided in the housing, a fixed contact provided in the housing and contacting or separated from the movable contact, and an extinction unit provided in the housing and configured to extinguish an arc generated when the movable contact and the fixed contact are separated. At least one arc gas discharge passage is formed in the housing to allow an arc gas generated when the movable contact and the fixed contact are separated to be discharged.

Circuit breakers

Provided is a circuit breaker including a single pole breaking unit with a pressure trip device that rotates a trip bar through an arc gas and an opening/closing mechanism unit adjusted to be in a trip state as the trip bar rotates through the pressure trip device. The pressure trip device includes: a first case connected to the single pole breaking unit and having an arc gas discharge hole; a barrier positioned in the front of the arc gas discharge hole and bent through an arc gas discharged through the arc gas discharge hole; a shooter seated on the first case and configured to drive the trip bar while moving through the arc gas discharged through the arc gas discharge hole; and a second case connected to cover the first case.

ARC EXTINGUISHING GAS FILTERING DEVICE FOR ELECTRICAL CURRENT SWITCHGEAR AND ELECTRICAL CURRENT SWITCHGEAR COMPRISING THIS FILTERING DEVICE

An arc extinguishing gas filtering device for electrical current switchgear includes a porous central body including longitudinal channels and transverse channels which fluidically connect the longitudinal channels together, the longitudinal channels having a bent form; and a tight outer skin which surrounds the central body and which includes inlet orifices and outlet orifices, each longitudinal channel extending between an inlet orifice and an outlet orifice, the outer skin and the central body forming a rigid part in a single piece produced in a metallic material. 1. An arc extinguishing gas filtering device for an electrical current switchgear , wherein said filtering device comprises:a porous central body including longitudinal channels and transverse channels which fluidically connect the longitudinal channels together, the longitudinal channels having a bent form; anda tight outer skin which surrounds the central body and which comprises inlet orifices and outlet orifices, each longitudinal channel extending between an inlet orifice and an outlet orifice, the outer skin and the central body forming a rigid part in a single piece, which rigid part is produced in a metallic material.2. The filtering device according to claim 1 , wherein the longitudinal channels have a varying diameter.3. The filtering device according to claim 2 , wherein the diameter of the outlet orifice is less than the diameter of the corresponding inlet orifice claim 2 , the inner diameter of the longitudinal channel which opens onto the inlet and outlet orifices reducing from the inlet orifice toward the outlet orifice.4. The device according to claim 1 , comprising outer faces with a bent form claim 1 , the curvature of the longitudinal channels being adjusted according to the curvature of said outer faces.5. The filtering device according to claim 1 , wherein the metallic material is an Inconel alloy.6. The filtering device according to claim 1 , wherein the outer volume of the ...

FAULT CIRCUIT INTERRUPTER DEVICE

In one embodiment, there is a fault interrupter device comprising at least one sensor comprising at least one first transformer having at least one outer region forming an outer periphery and at least one inner hollow region. There is also at least one second transformer that is disposed in the inner hollow region of the at least one first transformer. The transformers can be substantially circular in configuration, and more particularly, ring shaped. In another embodiment there is a rotatable latch which is used to selectively connect and disconnect a set of separable contacts to selectively disconnect power from the line side to the load side. The rotatable latch is in one embodiment coupled to a reset button. In at least one embodiment there is a slider which is configured to selectively prevent the manual tripping of the device.

Electrical switching apparatus comprising an improved arc-quenching device

The present invention relates to an electrical switching apparatus having at least one contact point, an arc-quenching device associated with the contact point, and an arc-blowing device to generate a magnetic blowout field. The arc-quenching device comprises a plurality of quenching elements, which are arranged distributed and spaced from each other in a first direction, wherein the quenching elements each comprise a permanent magnet. The arc arising when the contact point is opened is blown away from the contact point towards the quenching elements by the magnetic blowout field. The magnetic blowout field is at least partially generated or supported by the permanent magnets of the quenching elements. According to the invention, the permanent magnets of the quenching elements are offset with respect to each other in a second direction that is perpendicular to the first direction.

ARC EXTINGUISHING UNIT OF MOLDED CASE CIRCUIT BREAKER

The present disclosure relates to an arc extinguishing unit of a molded case circuit breaker with a barrier provided between a fixed contact and a movable contact when a circuit is cut off. The arc extinguishing unit includes fixed contacts fixed to part of a base assembly case; movable contacts that contact or are separated from the fixed contacts; and an arc extinguishing part that extinguishes an arc generated when the movable contacts are separated from the fixed contacts. The arc extinguishing part includes a pair of side plates; multiple grids installed at a fixed interval between the side plates; and arc barriers each rotatably installed on the side plates, and configured to open between the movable contacts and the fixed contacts by being rotated when a current flows on the circuit, and to close between the movable contacts and the fixed contacts when the current is cut off. 1. An arc extinguishing unit of a molded case circuit breaker , comprising:fixed contacts fixed to part of a base assembly case;movable contacts that come in contact with or are separated from the fixed contacts; andan arc extinguishing part configured to extinguish an arc generated when the movable contacts are separated from the fixed contacts,wherein the arc extinguishing part includes:a pair of side plates installed on the base assembly case;multiple grids installed at a fixed interval between the pair of side plates; andarc barriers each rotatably installed on the pair of side plates and configured to open between the movable contacts and the fixed contacts by being rotated by the movable contacts when a current flows on the circuit, while in a cut-off state, to close between the movable contacts and the fixed contacts.2. The arc extinguishing unit of claim 1 , wherein part of the side plates is provided with a mounting part to which the arc barrier is installed claim 1 , and the mounting part includes an arc-shaped recess in which the barrier is rotatably installed.3. The arc ...

AN ARC EXTINGUISHING STRUCTURE FOR DIRECT CURRENT CIRCUIT BREAKER

The present invention provides an arc extinguishing structure for direct current circuit breaker, which comprises an arc extinguishing chamber () installed on a second casing (), with a lateral opening () which opens towards the first casing (); a gas generating hood () installed at a lower part inside the arc extinguishing chamber () and comprising two gas generating plates () that are disposed opposite to each other, with a shield plate () disposed opposite to the lateral opening () and adjacent the second casing (); a movable contactor () and a stationary contactor () installed inside an internal installation space (), with the disconnecting portion between the movable contactor () and the stationary contactor () being located inside an accommodation space () and close to the shield plate (), so that when the movable contactor () becomes disconnected from the stationary contactor () and an electric arc is produced, the electric arc triggers the gas generating plates () and the shield plate () to generate a lot of gas which pushes the electric arc to move in a direction away from the shield plate (); a plurality of arc extinguishing grid-plates () installed at an upper part inside the arc extinguishing chamber (), having lower slots () which are open towards the accommodation space () and have a size that gradually decreases along a direction from the second casing () to the first casing (), so that the electric arc during its moving process is continuously blocked by the arc extinguishing grid-plates () with increasingly smaller sizes of lower slots (), and as a result, the electric arc cannot come out from the lateral opening () of the arc extinguishing chamber (), but instead can only enter the spaces between the arc extinguishing grid-plates () and thus get extinguished as quickly as possible. 1. An arc extinguishing structure for direct current circuit breaker , characterized in comprising:{'b': '1', 'a first casing ();'}{'b': 2', '1', '1', '10, 'a second ...

SWITCHING SYSTEM AND CIRCUIT BREAKER

A switching system has a first contact and a second contact which can be moved in relation to each other in an opening direction. The switching system contains a quenching chamber and a drive element for driving an arc into the quenching chamber. The quenching chamber contains a quenching element made of a porous material. 1. A switching system , comprisinga first contact;a second contact moveable in relation to said first contact in an opening direction;a quenching chamber having a quenching element formed of a porous material; anda drive element for driving an arc into said quenching chamber.2. The switching system according to claim 1 , wherein said porous material has a pore density of between 20 ppi and 30 ppi.3. The switching system according to claim 1 , wherein said porous material has a porosity of between 70% and 90%.4. The switching system according to claim 1 , wherein said porous material is a ceramic foam.5. The switching system according to claim 1 , wherein:said quenching element is configured as a hollow cylinder; andsaid second contact is at least partially disposed within said quenching element.6. The switching system according to claim 1 ,further comprising a third contact, a position of said third contact is fixed in relation to said first contact; andwherein said quenching element is disposed between said first and third contacts.7. The switching system according to claim 6 , wherein in a conducting state claim 6 , said second contact cooperates respectively on a free end side with said first and third contacts and claim 6 , in a non-conducting state claim 6 , a clearance between said second contact and said quenching element is specifically increased.8. The switching system according to claim 1 , wherein said drive element is magnetic.9. The switching system according to claim 8 , wherein a magnetic field of said drive element in a vicinity of said first and second contacts is perpendicular to the opening direction.10. The switching system ...

Low-voltage circuit breaker

A low-voltage circuit breaker comprising one or more electrical poles, each of said poles having an internal space with a contact area and an arc extinguishing area, a fixed contact assembly and a movable contact assembly being positioned in said contact area, said movable contact assembly being movable between a closed position in which it is into contact with said fixed contact assembly and an open position in which it is spaced apart from said fixed contact assembly, an arc chamber comprising a plurality of substantially parallel arc-breaking plates made of a ferromagnetic material being positioned in said arc extinguishing area. The low-voltage circuit breaker is characterized in that said arc chamber further comprises at least one arc-breaking plate which is at least partially made of a ceramic material.

GAS CIRCUIT BREAKER

A gas circuit breaker includes a sealed tank, a movable side main electrode and a fixed side main electrode in the sealed tank facing each other, a movable side arc electrode and a fixed side arc electrode in the sealed tank facing each other, a cylinder at a circumference of the movable side arc electrode, a piston in the cylinder in a slidable manner and forming a puffer chamber together with the cylinder, an insulation nozzle in the sealed tank, an exhaust pipe at a circumference of the fixed side arc electrode and exhausting heat gas, which is sprayed on an arc generated in the insulation nozzle in the opening electrode operation, to an outside, and a closing plate in the exhaust pipe. One or more vent holes leading the heat gas from an inside of the exhaust pipe to the outside is on a surface of the closing plate. 1. A gas circuit breaker comprising:a sealed tank;a movable side main electrode and a fixed side main electrode arranged in the sealed tank to face each other in such a manner in which opening electrode operation and closing electrode operation can be performed;a movable side arc electrode and a fixed side arc electrode arranged in the sealed tank to face each other in such a manner in which opening electrode operation and closing electrode operation can be performed;a cylinder arranged at a circumference of the movable side arc electrode;a piston arranged in the cylinder in a slidable manner, the piston forming a puffer chamber together with the cylinder;an insulation nozzle arranged in the sealed tank;an exhaust pipe arranged at a circumference of the fixed side arc electrode and configured to exhaust heat gas, which is sprayed on an arc generated in the insulation nozzle in the opening electrode operation, to an outside; anda closing plate arranged in the exhaust pipe,wherein one or more vent hole(s) which leads the heat gas from an inside of the exhaust pipe to the outside is formed on a surface of the closing plate.2. The gas circuit breaker ...

SELECTIVE PROTECTION CIRCUIT AND METHOD, AND POWER SUPPLY SYSTEM

A selective protection circuit includes a current-limiting module and a control module, where the current-limiting module includes a switch unit, and the switch unit includes a first end, a second end, and a control end; the first end is connected to a positive electrode of a bus voltage of an HVDC power supply, and the second end is connected to a positive electrode of a power supply of a voltage pre-regulator circuit in a load branch connected to the current-limiting module; the control end is connected to the control module; and the control module is configured to output a control signal to the control end when a value of a total current flowing through the switch unit is greater than or equal to a preset threshold, so as to switch off the switch unit. 1. A selective protection circuit , comprising:a current-limiting module; anda control module,wherein the selective protection is included in a high-voltage direct current (HVDC) power supply that supplies power to at least two parallel load branches, wherein each load branch of the at least two parallel load branches comprises one voltage pre-regulator circuitwherein the current-limiting module comprises a switch unit, and the switch unit comprises a first end, a second end, and a control end;wherein the first end is connected to a positive electrode of a bus voltage of the HVDC power supply, and the second end is connected to a positive electrode of a power supply of a voltage pre-regulator circuit in a load branch connected to the current-limiting module; or the first end is connected to a negative electrode of a bus voltage of the HVDC power supply, and the second end is connected to a negative electrode of a power supply of a voltage pre-regulator circuit in a load branch connected to the current-limiting module;wherein the control end is connected to the control module; andwherein the control module is configured to output a control signal to the control end when a value of a total current flowing through the ...

OPPOSITE ARC ISOLATION DEVICE OF HIGH VOLTAGE DIRECT CURRENT RELAY

The present invention discloses an opposite arc isolation device of a high voltage direct current relay, including a movable contact assembly and a fixed contact assembly, wherein the movable contact assembly includes a movable spring plate and a left movable contact and a right movable contact fixed at left and right ends of the movable spring plate; the fixed contact assembly includes a left fixed contact corresponding to the left movable contact and a right fixed contact corresponding to the right movable contact; an arc isolation member made of insulating material is provided between the left movable contact and the right fixed contact; the front-to-rear dimension L of the arc isolation member is greater than the front-to-rear width M of a joint surface of the movable contacts with the fixed contacts; and, the arc isolation member has a height H that enables the isolation of opposite arcs between the two sets of movable and fixed contacts. 1. An opposite arc isolation device of a high voltage direct current relay , comprising a movable contact assembly and a fixed contact assembly , wherein the movable contact assembly comprises a movable spring plate and a left movable contact and a right movable contact fixed at left and right ends of the movable spring plate; the fixed contact assembly comprises a left fixed contact corresponding to the left movable contact and a right fixed contact corresponding to the right movable contact; an arc isolation member made of an insulating material is provided between the left movable contact and the right fixed contact; a front-to-rear dimension L of the arc isolation member is greater than a front-to-rear width M of a joint surface of the movable contacts with the fixed contacts; and , the arc isolation member has a height H that enables the isolation of opposite arcs between the two sets of movable and fixed contacts.2. The opposite arc isolation device of a high voltage direct current relay according to claim 1 , wherein ...

Gas Circuit Breaker

A gas circuit breaker includes, in a container filled with an arc extinguishing gas: a fixed-side main contact and a movable-side main contact separable from the fixed-side main contact; a fixed arcing contact () and a movable arcing contact () disposed on inside diameter sides of the fixed-side main contact and the movable-side main contact, respectively, the movable arcing contact () being separable from the fixed arcing contact (); an insulating nozzle () that surrounds the fixed arcing contact (); an arc space to be formed between the fixed arcing contact () in the insulating nozzle () and the movable arcing contact () when the movable arcing contact () is separated from the fixed arcing contact (); a thermal puffer chamber () that draws thereinto the arc extinguishing gas whose pressure has been increased by arc heat in the arc space; and an evaporating member () disposed in the thermal puffer chamber (). In the gas circuit breaker, the evaporating member () is formed of a nonwoven fabric. 1. A gas circuit breaker comprising , in a container filled with an arc extinguishing gas:a fixed-side main contact and a movable-side main contact separable from the fixed-side main contact;a fixed arcing contact and a movable arcing contact disposed on inside diameter sides of the fixed-side main contact and the movable-side main contact, respectively, the movable arcing contact being separable from the fixed arcing contact;an insulating nozzle that surrounds the fixed arcing contact;an arc space to be formed between the fixed arcing contact in the insulating nozzle and the movable arcing contact when the movable arcing contact is separated from the fixed arcing contact;a thermal puffer chamber that draws thereinto the arc extinguishing gas whose pressure has been increased by arc heat in the arc space; andan evaporating member disposed in the thermal puffer chamber, the evaporating member being formed of a nonwoven fabric.2. The gas circuit breaker according to claim 1 , ...

ARC CHAMBER OF CIRCUIT BREAKER

The present device was conceived in order to resolve the aforementioned problem, and the objective thereof is to provide an arc chamber of a circuit breaker that enhances assemblability and ensures the consistency of the product. An arc chamber of the circuit breaker according to one embodiment of the present device comprises: a plurality of grids arranged at predetermined intervals outside a motion locus of a movable contactor and having a body portion and a leg portion extending from one side of the body portion; and a fixing cap having a receiving portion that is inserted into the leg portion in a press-fitting manner, wherein the fixing cap has a coupling portion extending to a side of the body portion at one side thereof. 1. An arc chamber of a circuit breaker , comprising:a plurality of grids arranged outside of a motion trajectory of a movable contact at a predetermined interval and including a body portion and a leg portion extending from one side of the body portion; anda fixing cap having an accommodating portion press-fitted into the leg portion,wherein the fixing cap is provided with a coupling portion extending to a side surface of the body portion from one side thereof.2. The arc chamber of claim 1 , wherein a plurality of first protrusions is provided at both corners of the body portion claim 1 , andwherein a plurality of fixing grooves coupled to the first protrusions is provided on an end of the coupling portion.3. The arc chamber of claim 1 , wherein a plurality of second protrusions disposed adjacent to the leg portion is provided at both side surfaces of the body portion claim 1 , andwherein a plurality of fixing holes fitted to the second protrusions is provided on the coupling portion.4. The arc chamber of claim 3 , wherein each of the second protrusions is inclined downwardly toward the leg portion.5. The arc chamber of claim 3 , wherein each of the second protrusions is provided with an interference prevention groove provided at both ends ...

ELECTRICAL POL FOR A LOW VOLTAGE PROTECTION SWITCH AND LOW VOLTAGE PROTECTION SWITCH THEREFOR

Electric pole for a low-voltage power circuit breaker, and associated circuit breaker

An electric pole for a low-voltage power circuit breaker, comprising an insulating enclosure ( 20, 30 ) that has a lower wall, an upper wall, two side walls, a rear wall and a front wall, at least one arc chute, at least one fixed contact ( 8 ) and at least one moving contact ( 9 ) that can be mutually coupled/uncoupled, and a first electric terminal ( 10 ) and a second electric terminal ( 11 ) that are functionally associated with the fixed contact and the moving contact and allow electrical connection of the pole in input and in output, its particularity consisting of the fact that the insulating enclosure comprises a first half-shell ( 20 ) and a second half-shell ( 30 ) which are mutually coupled along corresponding coupling surfaces and form a self-supporting structure, the first and second half-shells being shaped so as to form at least one compartment ( 12 ) that is suitable to accommodate the fixed contact and the moving contact and the arc chute, and second ( 13 ) and third containment volumes ( 14 ), which are arranged on mutually opposite sides with respect to the compartment and are suitable to accommodate respectively the first and second electric terminals.

Arc-extinguishing chamber

An arc-extinguishing chamber comprises an extinguishing- or cooling-plate arrangement (56, 14) which is dedicated to the contact point (26, 28; 48, 50) of a switch (10, 14), a switching arc, produced at the contact point, passing into this arrangement, where it is cooled and extinguished. To improve the extinguishing or cooling properties, each plate (14, 56) is coated, at least on one side and at least in part, with a material which gives off gas or vapour and which, under the influence of the arc, evaporates and affects the arc. In this arrangement, a coating-free area (66, 68, 70) is advantageously left free. The material used can be zinc or an insulating material. If zinc is used, the optimum solution is to coat only a subregion (72) situated downstream. <IMAGE>

Extinguishing Chamber of Magnetic Blow-Out Type For An Electrical Breaking Device And Electrical Breaking Device Equipped With Such A Chamber

An extinguishing chamber of magnetic blow-out type for a breaking device includes a field source, a magnetic carcass and a breaking region, in which an electric arc is liable to form when a breaking pole belonging to the breaking device is opened. The field source is arranged to generate a magnetic field intended to move the electric arc in order to stretch it and accelerate its cooling and its extinguishing. The carcass is arranged to channel the magnetic field. The carcass is stood up against the field source and closes in front thereof so as to create an air gap in the magnetic circuit formed by the field source and the carcass and to thus maximize the magnetic field that passes through the breaking region. 1. An extinguishing chamber of magnetic blow-out type for an electrical breaking device , said extinguishing chamber comprising a magnetic field source , a magnetic carcass and a breaking region in which an electric arc is liable to form notably when a breaking pole belonging to a breaking device is opened , said field source being arranged to generate a magnetic field configured to move said electric arc in order to stretch it and accelerate its cooling and its extinguishing , and said carcass being arranged to channel said magnetic field , said breaking pole comprising a fixed contact and a movable contact which moves with respect to said fixed contact between a closed position and an open position on a path defining a breaking plane , and said breaking region extending at least in said breaking plane , characterized in that said extinguishing chamber has a mostly symmetrical form with respect to a median plane which coincides with said breaking plane , in that said field source is arranged in the near vicinity of and opposite said breaking region and is oriented to generate magnetic field vectors which are essentially parallel to said breaking plane , in that said carcass surrounds said breaking region and said field source and comprises a window which is ...

Electric pole for low voltage electric power switch and appropriate switch

FIELD: electric engineering. SUBSTANCE: electric pole for low voltage electric power switch contains isolating case having lower, upper, back, front and two side walls, at least one arc suppressing chamber, at least one immobile contact, at least one mobile contact, which may be mutually connected or disconnected, and also first and second electric clamps, which are functionally connected to mobile and immobile contacts and provide electric connection of pole at input and output. Case contains first and second semi-covers, which are mutually connected along appropriate connection surfaces and form an autonomous structure. First and second semi-covers are made with shape providing for creation of at least one section, which is useable for encasing mobile and immobile contacts and arc-suppressing chamber in it, and creation of second and third enveloping volumes, positioned on mutually opposite sides relatively to aforementioned section and useable for encasing, respectively, first and second electric clamps in them. EFFECT: simplified manufacture of pole with preservation of optimal electric and mechanical characteristics. 2 cl, 6 dwg ÐÎÑÑÈÉÑÊÀß ÔÅÄÅÐÀÖÈß (19) RU (11) 2 294 576 (13) C2 (51) ÌÏÊ H01H 71/10 H01H 73/06 (2006.01) (2006.01) ÔÅÄÅÐÀËÜÍÀß ÑËÓÆÁÀ ÏÎ ÈÍÒÅËËÅÊÒÓÀËÜÍÎÉ ÑÎÁÑÒÂÅÍÍÎÑÒÈ, ÏÀÒÅÍÒÀÌ È ÒÎÂÀÐÍÛÌ ÇÍÀÊÀÌ (12) ÎÏÈÑÀÍÈÅ ÈÇÎÁÐÅÒÅÍÈß Ê ÏÀÒÅÍÒÓ (21), (22) Çà âêà: 2004121150/09, 10.12.2002 (72) Àâòîð(û): ÀÖÖÎËÀ Ëó÷èî (IT), ÖÀÍÊÈ Ýëèäæèî (IT) (24) Äàòà íà÷àëà îòñ÷åòà ñðîêà äåéñòâè ïàòåíòà: 10.12.2002 (73) Ïàòåíòîîáëàäàòåëü(è): ÀÁÁ ÑÅÐÂÈÑ Ñ.Ð.Ë. (IT) R U (30) Êîíâåíöèîííûé ïðèîðèòåò: 10.12.2001 IT MI2001A002586 (43) Äàòà ïóáëèêàöèè çà âêè: 10.09.2005 (45) Îïóáëèêîâàíî: 27.02.2007 Áþë. ¹ 6 2 2 9 4 5 7 6 (56) Ñïèñîê äîêóìåíòîâ, öèòèðîâàííûõ â îò÷åòå î ïîèñêå: ÅÐ 0961306 À, 01.12.1999. RU 2020634 Ñ1, 30.09.1994. US 5298874 À, 29.03.1994. (85) Äàòà ïåðåâîäà çà âêè PCT íà íàöèîíàëüíóþ ôàçó: 12.07.2004 2 2 9 4 5 7 6 R U (87) Ïóáëèêàöè PCT: WO 03/050835 (19.06.2003) C 2 ...

Molded case circuit breaker with limit current function

A molded case circuit breaker with a limit current function is provided to overcome a spatial restriction in a low-capacity molded case circuit breaker and to reduce the size of an apparatus at the time of maintaining a same break current. A molded case circuit breaker with a limit current function includes a case(10), a fixed contact terminal(50), a movable contact terminal, a link mechanism(40), and a repellent force compensation unit(200). The fixed contact terminal is disposed in the case. The movable contact terminal is contacted with and is separated from the fixed contact terminal. The link mechanism performs a manipulation to allow the movable contact terminal to be contacted with and be separated from the fixed contact terminal. The repellent force compensation unit compensates a contact repellent force attenuated by a magnetic path resistance when the movable contact terminal rotates to be separated from the fixed contact terminal in one portion of the movable contact terminal by the contact repellent force generated by an accident current.

회로차단기의 아크소호장치

본 고안은 회로차단기의 아크소호장치에 관한 것으로서, 서로 이격배치되는 선형부 및 상기 선형부를 연결하는 연결부를 구비한 복수의 외부그리드; 상기 선형부를 내부에 수용하여 상기 외부그리드를 층상으로 지지하고 상기 선형부의 측방을 차단하는 지지부재; 및 상기 지지부재의 내측에 배치되는 내부그리드;를 포함를 구비하여 구성된다. 이에 의해, 아크를 신속하게 소호할 수 있다.

기중 차단기의 가동 접촉자

본 발명은 차단기에 관한 것으로, 보다 상세하게는 기중 차단기의 차단부에 설치된 가동 접촉자의 구조를 개선하여 고정 접촉자로부터 가동 접촉자가 분리되는 차단 동작시 발생하는 고온, 고압의 아크로부터 가동자의 손상을 줄이는 동시에 동비산물을 감소시킬 수 있고, 가동자를 탄력적으로 지지하는 접압 스프링을 아크 및 동비산물로부터 보호할 수 있어 원가 절감 및 신뢰성을 향상시킬 수 있는 기중 차단기의 가동 접촉자에 관한 것이다. 기중 차단기, 차단부, 가동 접촉자, 가동자, 아크, 접압 스프링, 접점

Pressure trip device of the circuit breaker

본 발명은 배선용차단기의 압트립 장치에 관한 것으로, 각상별 전류 회로를 개폐하기 위해 가동접촉자 및 고정접촉자를 절연물의 케이스내에 밀폐하여 내장하고, 아크가스 배출공이 구비되어 있으며 서로 축으로 연동하게 접속되는 다수의 상별 단극차단유닛과; 상기 단극차단유닛들중 어느 하나와 접속되어, 접속된 단극차단유닛내의 가동접촉자를 고정접촉자에 접촉 또는 고정접촉자로부터 분리하도록 개폐시키는 주 회로개폐기구와; 상기 주 회로 개폐기구를 트립시키기 위해 상기 주 회로 개폐기구에 접속되고 하부에 수압돌부가 형성된 트립바와; 상기 주 회로 개폐기구와 상기 트립바를 양측에서 지지하는 측판과; 상기 측판에 수평이동 가능하게 지지되는 수평작동봉과, 상기 수평작동봉의 끝단에 연결되고 상기 아크가스배출공에 대향하게 설치되어 가스압을 받는 수압판과, 상기 수평작동봉의 타단에 연결되고 상기 트립바의 수압돌부에 압력을 가하도록 접촉한 갈고리형 가압부재;를 구비하는 가스압 슈터를 포함하여 구성함으로써, 종래의 다단계에 걸쳐 개폐 기구부를 트립하는 과정에 비해 보다 빠른시간내에 개폐 기구부를 트립시켜 주며 이는 아크가 개폐 기구부에 머무는 시간을 단축하고 이에 따라 배선용차단기의 성능을 높여줄 수 있으며 한류시 접점 재접촉에 의한 접점 용착현상도 방지할 수 있다. The present invention relates to a pressure trip device for a circuit breaker, and includes a movable contactor and a fixed contactor enclosed in a case of an insulator for opening and closing a current circuit for each phase, and are provided with arc gas discharge holes and connected to each other in an axially connected manner. A plurality of phase single pole blocking units; A main circuit opening and closing mechanism connected to any one of the single pole blocking units to open and close the movable contact in the connected single pole blocking unit to or from the fixed contactor; A trip bar connected to the main circuit switch mechanism to trip the main circuit switch mechanism and having a hydraulic pressure protrusion formed at a lower portion thereof; Side plates for supporting the main circuit opening and closing mechanism and the trip bar on both sides; A horizontal actuating rod supported by the side plate so as to be movable horizontally, a hydraulic pressure plate connected to an end of the horizontal actuating rod and installed opposite to the arc gas discharge hole and receiving a gas pressure, and connected to the other end of the horizontal actuating rod, By including a gas pressure shooter having a hook-type pressing member in contact to apply pressure to the hydraulic pressure protrusion, it trips the opening and ...

Arc flash detection method and circuit breaker

본 발명은 회로 차단기용 아크 플래쉬 시스템과 동작 방법을 제공한다. 아크 플래쉬 시스템은 광검출기와 같은 제 1 센서와 회로 차단기 파라미터를 검출하는 제 2 센서를 포함한다. 아크 플래쉬 시스템은 제 1 센서 및 제 2 센서로부터의 신호에 응답하여, 회로 차단기의 방해 트립핑을 방지하도록 아크 플래쉬 이벤트가 발생하였는지를 판단한다. The present invention provides an arc flash system and a method of operation for a circuit breaker. The arc flash system includes a first sensor, such as a photodetector, and a second sensor for detecting circuit breaker parameters. In response to the signals from the first and second sensors, the arc flash system determines whether an arc flash event has occurred to prevent interference tripping of the circuit breaker.

자체조명식 전원스위치가 붙은 회로차단기

내용 없음.

Insulating device for circuit breaker

본 발명에 의한 차단기의 절연 장치는, 러그를 감싸 결합되도록 수지재질로 된 절연부재를 포함함으로써, 절연부재의 탄성을 이용하여 러그에 결합할 수 있어 조립공정이 용이하고 쉽게 탈거되지 않아 신뢰성을 높일 수 있다. 또, 절연부재에 공기통공과 공기통홈을 형성하여 절연부재와 러그 사이로 통과함에 따라 열에 의해 절연부재가 변형되거나 탈거되는 것을 효과적으로 방지할 수 있다. The insulation device of the circuit breaker according to the present invention includes an insulating member made of a resin material to surround and lug the lug, so that the breaker can be coupled to the lug using the elasticity of the insulating member so that the assembling process is easy and is not easily removed, thereby increasing reliability. Can be. In addition, it is possible to effectively prevent the insulation member from being deformed or removed by heat as it passes through the insulation member and the lug by forming an air hole and an air groove in the insulation member.

회로 차단기

본 발명은 단극차단유닛에 구비되는 압력트립장치가 제1 케이스와 슈터 및 제2 케이스 등을 이용하여 모듈형태로 구성되게 하여, 손쉽게 단극차단유닛에 탈부착되도록 함으로써, 압력트립장치의 조립성을 향상시키는 효과가 있다.

Arc Extinguishing Unit of Minidture Circuit Breaker

The present invention relates to an arc extinguishing unit for a small circuit breaker, and more particularly, to an arc extinguishing unit for a small circuit breaker which is provided with an insulator having upper and lower surface parts such that insulation performance and supporting strength are improved. The arc extinguishing unit for a small circuit breaker according to an embodiment of the present invention includes a plurality of grids provided at both sides of a longitudinal side surface with side surface protrusions; an insulator formed in a rectangular shape and including a first side surface part having an insertion hole into which the side protrusion is inserted, a rear surface part formed at one side of the first side surface part and having an arc discharging hole, a second side surface part formed on one side of the rear surface part in a flat shape, and a top surface part formed on an upper side of the first side surface part in a flat shape. The insulator is formed in a deployed state, such that the insulator is coupled to cover a side surface and an upper part of the grid while being folded.

Instantaneous tripping mechanism of wiring breaker

본 발명은 배선용 차단기에 있어서 순시전류에 대한 트립 동작 감도 조정이 가능한 배선용 차단기를 제공하려는 것으로서, 배선용 차단기의 개폐기구에 접촉가능한 위치에 설치되어 상기 개폐기구를 트립 위치로 트리거(TRIGGER)하게 회전가능한 크로스 바(CROSS BAR); 상기 크로스 바에 접촉하여 회전구동가능한 회전 경로를 가지며, 상기 고정접촉자 상에 회동가능하게 설치되는 아마추어(ARMATURE); 상기 아마추어를 대향하게 고정 설치되고, 상기 회로에 통전 접속되어, 순시 전류 발생시 자기(磁氣) 흡인력을 발생시켜 상기 크로스 바를 회동시키도록 상기 아마추어를 회전구동가능한 전자석; 및 상기 아마추어를 상기 전자석에 근접하도록 회동시켜 크기가 작은 순시전류에 대해서도 트립 동작하도록 감도를 민감하게 조정할 수 있고, 상기 아마추어를 상기 전자석으로부터 이격되도록 회동시켜 크기가 비교적 큰 순시전류에 대해서 트립 동작하도록 감도를 둔감하게 조정할 수 있으며, 상기 아마추어의 후방에 전후로 이동가능하게 설치되는 조정수단을 포함하여 구성된다. The present invention is to provide a circuit breaker that can adjust the trip operation sensitivity to the instantaneous current in the circuit breaker, it is installed in a position that can be contacted to the opening and closing mechanism of the circuit breaker is rotatable to trigger the switching mechanism to the trip position (TRIGGER) Cross bars (CROSS BAR); An armature having a rotation path rotatable in contact with the cross bar and rotatably installed on the fixed contactor; An electromagnet fixedly mounted so as to face the armature, and electrically connected to the circuit and capable of rotating the armature so as to rotate the crossbar by generating a magnetic attraction force during instantaneous current generation; And sensitively adjust the sensitivity to rotate the armature close to the electromagnet so as to trip the small instantaneous current, and rotate the armature away from the electromagnet to trip the relatively instantaneous current. Sensitivity can be adjusted insensitively, it is configured to include an adjustment means that is installed to be movable back and forth in the rear of the armature. 배선용 차단기, 순시전류, 감도조정 Circuit breaker, instantaneous current, sensitivity adjustment

Circuit breaker

[과제] 전원측과 부하측의 접속을 한정하지 않는, 직류용 회로 차단기를 얻는다. [해결 수단] 베이스(11)와, 이 베이스(11) 상에 마련되며, 고정 접점(21)을 가지는 고정 접촉자(27)와, 해당 고정 접점(21)과 접촉 및 개리(開離)하는 가동 접점(22)을 가지는 가동 접촉자(23)와, 가동 접촉자(23)측에 U자형의 노치(51a) 및 노치(51a)의 양측에 측족부(51b)가 형성되어 노치(51a)가 양 접점(21, 22), 및, 고정 접촉자(27)를 둘러싸는 복수의 그리드 판(51)으로 이루어지는 소호 장치(50)와, 고정 접점(21)의 양측에 마련되며, 동일 자극이 대향하고 있는 한 쌍의 영구 자석(54a, 54b)을 구비했다. [PROBLEMS] To provide a DC circuit breaker which does not limit the connection between the power source side and the load side. A fixed contact (27) provided on a base (11) and having a fixed contact (21), a movable contact (27) which contacts and opens the fixed contact (21) A movable contact 23 having a contact 22 and a notched portion 51a are formed on both sides of a notch 51a and a notch 51a on the side of the movable contact 23 to form a notch 51a, And a plurality of grid plates 51 surrounding the stationary contacts 27. The stationary contacts 21 are provided on both sides of the stationary contact 21 and as long as the same magnetic poles face each other And a pair of permanent magnets 54a and 54b.

Arc extinguishing apparatus for circuit breaker

본 고안은 회로차단기의 아크소호장치에 관한 것으로서, 서로 이격배치되는 선형부 및 상기 선형부를 연결하는 연결부를 구비한 복수의 외부그리드; 상기 선형부를 내부에 수용하여 상기 외부그리드를 층상으로 지지하고 상기 선형부의 측방을 차단하는 지지부재; 및 상기 지지부재의 내측에 배치되는 내부그리드;를 포함를 구비하여 구성된다. 이에 의해, 아크를 신속하게 소호할 수 있다. The present invention relates to an arc extinguishing system for circuit breakers, comprising: a plurality of external grids having linear portions spaced apart from each other and connecting portions connecting the linear portions; A supporting member for receiving the linear portion therein to support the external grid in a layered manner and to block the side of the linear portion; And an inner grid disposed on the inner side of the support member. Thereby, the arc can be quickly extinguished.

Narrow-profile circuit breaker with arc extinguishing function

一种断路器设计，使得断路器的整体宽度(即，沿断路器的外壳的朝外暴露面测量)相比于已知传统的构造中可用的宽度更窄，与此同时仍提供稳健的灭弧性能。这在很大程度上是通过提供活动触点臂组件的特定方向和/或通过提供外壳内电流路径的特定配置来实现的。

Arc Chamber of Molded Case Circuit Breaker

본 고안은 전술한 문제점을 해결하고자 안출된 것으로, 그 목적은 조립성을 향상시키고 제품의 일관성을 보장하는 배선용 차단기의 아크 챔버를 제공하는 것이다. 본 고안의 일 실시예에 따른 배선용 차단기의 아크챔버는 가동 접촉자의 운동 궤적의 외측에 소정 간격으로 다수개가 배열되고, 몸체부와 다리부를 포함하는 그리드; 및 상기 다리부에 압입 방식으로 끼워지는 고정캡;을 포함하되, 상기 고정캡의 일측에는 상기 몸체부의 측면까지 연장되는 결합부가 구비되는 것을 특징으로 한다.

Trigger Mechanism Device of Medium-voltage Switches and Breakers

특별고압이하에 사용되는 개폐기, 차단기의 기계기구에 있어서 장치의 메카니즘을 투입 또는 차단시 활용되는 랫치(latch)기구에 축적된 기계적 에너지를 해제하는 장치에 관한 것으로 고압 또는 특고압 파워휴즈 스트라이커에서 발생하는 수 뉴턴(Nm)의 적은 힘을 이용하여 수백 뉴턴의 힘이 요구되는 조작기구부의 링크절을 구동시키는 연결장치로 사용되는 트리거 장치에 관한 것이다. 상기 목적으로 본 발명은 차단기 및 개폐기의 개폐메카니즘의 랫치기구부를 구동하는 트리거장치를 포함하는데, 상기 트리거장치는 스프링 축세 메카니즘을 갖는 록크장치와, 스트라이커와, 및 트리거레버를 포함하는 것을 특징으로 한다. In the mechanism of switchgear and circuit breaker used under special high pressure, it is a device to release the mechanical energy accumulated in the latch mechanism that is used when the mechanism of the device is inserted or blocked.It occurs in high pressure or extra high voltage power fuse striker. The present invention relates to a trigger device used as a connecting device for driving a link section of an operating mechanism part requiring hundreds of Newton's force by using a small force of several Newtons (Nm). To this end, the present invention includes a trigger device for driving the latch mechanism of the opening and closing mechanism of the circuit breaker and the switchgear, wherein the trigger device includes a lock device having a spring-loading mechanism, a striker, and a trigger lever. do. 트리거장치, 트리거레버,록크장치, 스트라이커, 파워휴즈 Trigger device, trigger lever, lock device, striker, power fuse

Trip indicators for circuit protection devices

A trip indicator for a circuit breaker in an electrical distribution system. The trip indicator provides a visual indication of the activation of a trip signal caused by arcing fault detector (AFD) or ground fault interrupter (GFI) circuitry. The trip indicator comprises one or more light sources, one or more plungers having a colored tip or one or more bimetal disk having a colored top. In response to activation of a trip signal by the AFD or GFI circuitry, the light source(s) illuminate, the plunger(s) move from a retracted position to an extended position and the bimetal disk(s) move from a generally flat position to a convex position. A conduit is provided within the housing of the protective device for conveying light or the reflection of light between the light source(s), plunger(s) or bimetal disk(s) and an opening of the housing. Where the circuit breaker includes both GFI and AFD circuitry, each generating a respective trip signal in response to the detection of a ground fault or arcing fault, the trip indicator is designed to indicate which of the respective fault conditions activated the trip signal.

Circuit breaker with improved arc extinguishing means

내용 없음. No content.

Circuit breaker

回路遮断器は、導電部材（７０）と、可動接触子（２１）と、グリッド部（３１）と、コア（４０）と、アークランナ（８０）と、永久磁石（８１）とを備える。導電部材（７０）は、一端側に固定接点（７１）が設けられ、他端側に電源側端子（７２）が設けられる。可動接触子（２１）は、可動接点（２６）が設けられる。グリッド部（３１）は、固定接点（７１）と可動接点（２６）との間に発生するアークを消弧する複数のグリッド板（３４）を有する。コア（４０）は、互いに対向する一対の側板部（４１）を有し、一対の側板部（４１）間にグリッド部（３１）が配置される。アークランナ（８０）は、導電部材（７０）に接続され、アークを駆動する。永久磁石（８１）は、可動接触子（２１）がグリッド部（３１）と対向する方向または一対の側板部（４１）が対向する方向に極性が互いに異なるＮ極（８１ａ）およびＳ極（８１ｂ）が配列される。 The circuit breaker includes a conductive member (70), a movable contact (21), a grid portion (31), a core (40), an arc runner (80), and a permanent magnet (81). The conductive member (70) is provided with a fixed contact (71) on one end side and a power supply side terminal (72) on the other end side. The movable contact (21) is provided with a movable contact (26). The grid portion (31) has a plurality of grid plates (34) that extinguish the arc generated between the fixed contact (71) and the movable contact (26). The core (40) has a pair of side plate portions (41) facing each other, and a grid portion (31) is arranged between the pair of side plate portions (41). The arcranna (80) is connected to the conductive member (70) and drives the arc. The permanent magnets (81) have north poles (81a) and south poles (81b) having different polarities in the direction in which the movable contacts (21) face the grid portion (31) or in the direction in which the pair of side plate portions (41) face each other. ) Are arranged.

Electric device for interruption of electric current in air, comprising an improved device for filtering gas fumes

FIELD: electrical engineering. SUBSTANCE: invention relates to an electrical device for interrupting electric current, comprising electric arc extinguishing chamber (20) for electric arc quenching, provided on electric contacts disconnection section, provided with extinguishing gases outlet nozzle (24), and system (26) for filtering extinguishing gases located at the outlet of the outlet nozzle and comprising filter (28) and diffuser (30) of gases, which comprises superimposed central layer and two outer layers made on each side of said central layer, wherein central layer is provided with first through holes, each outer layer is provided with second through holes, said first holes are shifted relative to data of second holes so that each of second holes is detected on solid part of central layer without any whichsoever first hole. EFFECT: technical result is provision of more effective protection against risk of electric arc electric current loopback to filter. 9 cl, 7 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 719 403 C2 (51) МПК H01H 9/34 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК H01H 9/34 (2020.01) (21)(22) Заявка: 2017108549, 15.03.2017 (24) Дата начала отсчета срока действия патента: Дата регистрации: 17.04.2020 24.03.2016 FR 16 52540 (43) Дата публикации заявки: 17.09.2018 Бюл. № 26 (45) Опубликовано: 17.04.2020 Бюл. № 11 2 7 1 9 4 0 3 R U (54) ЭЛЕКТРИЧЕСКОЕ УСТРОЙСТВО ДЛЯ ПРЕРЫВАНИЯ ЭЛЕКТРИЧЕСКОГО ТОКА В ВОЗДУШНОЙ СРЕДЕ, СОДЕРЖАЩЕЕ УСОВЕРШЕНСТВОВАННОЕ УСТРОЙСТВО ФИЛЬТРАЦИИ ГАСЯЩИХ ГАЗОВ (57) Реферат: Изобретение относится к электрическому стороны от данного центрального слоя, причем устройству для прерывания электрического тока, центральный слой обеспечен первыми сквозными содержащему камеру (20) гашения электрической отверстиями, каждый внешний слой обеспечен дуги для гашения электрической дуги, вторыми сквозными отверстиями, данные первые сформированной на участке разъединения отверстия ...

Thermal Adjustable Trip Device

본 발명의 배선용 차단기의 열동 가조정형 트립장치 구조는, 배선용 차단기에 있어서, 축방향 양측에 각각 구비되되, 축 방향을 따라 장홈 형태를 가지는 조립공을 형성한 트립샤프트; 상기 트립샤프트의 후방에서 좌우로 이동가능하도록 상기 조립공에 대응 체결되는 결합축을 전방에 형성하고, 후방 길이방향을 따라 복수의 경사부가 형성된 가동트립샤프트; 상기 가동트립샤프트의 상기 경사부와 대응 위치에 배치되는 트립조절볼트와, 상기 트립조절볼트를 고정함과 아울러 전원이 공급되는 바이메탈이 구비되는 가열부재; 및 상기 가동트립샤프트를 이동시켜 상기 경사부와 상기 트립조절볼트의 간격 조절하기 위하여 수평 회전에 의해 상기 가동트립샤프트를 좌우로 이동시키되, 최대 회전각도가 표시되어 회전각을 제한할 수 있는 조정노브; 를 포함한다. The thermally adjustable type tripping device structure of the circuit breaker of the present invention includes: a trip shaft having a assembly hole having a long groove shape along the axial direction, respectively provided on both sides of the axial direction; A movable trip shaft having a coupling shaft fastened to the assembly hole in a forward direction so as to be movable from side to side in the rear of the trip shaft, and having a plurality of inclined portions along the rear longitudinal direction; A heating member provided with a trip adjustment bolt disposed at a corresponding position with the inclined portion of the movable trip shaft, and a bimetal to which the power is supplied while fixing the trip adjustment bolt; And a moving knob to move the movable trip shaft left and right by horizontal rotation to adjust the distance between the inclined portion and the trip adjustment bolt by moving the movable trip shaft, and the maximum rotation angle is displayed to limit the rotation angle. ; It includes. 배선용 차단기, 트립샤프트, 가동트립샤프트, 조정노브, 조정노브지지대, 바이메탈, 트립조절볼트, 편심로드, 스토퍼 Circuit breaker, trip shaft, movable trip shaft, adjusting knob, adjusting knob support, bimetal, trip adjusting bolt, eccentric rod, stopper

ELECTRIC SWITCHING APPARATUS WITH THE IMPROVED ARC ARRANGEMENT DEVICE

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2016 133 465 A (51) МПК H01H 9/34 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2016133465, 25.03.2015 (71) Заявитель(и): ШАЛЬТБАУ ГМБХ (DE) Приоритет(ы): (30) Конвенционный приоритет: (72) Автор(ы): КРАЛИК Роберт (DE) 27.03.2014 DE 10 2014 004 455.6 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 27.10.2016 R U (43) Дата публикации заявки: 27.04.2018 Бюл. № 12 (86) Заявка PCT: (87) Публикация заявки PCT: WO 2015/144309 (01.10.2015) R U (54) ЭЛЕКТРИЧЕСКИЙ КОММУТАЦИОННЫЙ АППАРАТ С УСОВЕРШЕНСТВОВАННЫМ ДУГОГАСИТЕЛЬНЫМ УСТРОЙСТВОМ (57) Формула изобретения 1. Электрический коммутационный аппарат (1), в частности контактор постоянного тока, имеющий по меньшей мере одну точку коммутации, которой соответствует по меньшей мере одно дугогасительное устройство, содержащее по меньшей мере один гасящий элемент и по меньшей мере один постоянный магнит (3) для воздействия на дугу (2), образующуюся в процессе коммутации, магнитное поле которого обеспечивает выдувание дуги (2) в гасящий элемент, причем по меньшей мере один постоянный магнит (3) одновременно образует гасящий элемент и расположен и поляризован таким образом, что обеспечено притягивание дуги (2) к постоянному магниту (3) и, таким образом, ее всасывание постоянным магнитом (3) и гашение посредством него, отличающийся тем, что постоянный магнит (3), по меньшей мере в той его части, которая подвержена воздействию дугового разряда, заключен в защитную гильзу (17), выполненную из керамики. 2. Электрический коммутационный аппарат (1) по п. 1, отличающийся тем, что дугогасительное устройство содержит гасительную камеру (13, 14), имеющую выходное отверстие, в области которого расположен по меньшей мере один постоянный магнит (3), используемый как гасящий элемент. 3. Электрический коммутационный аппарат (1) по п. 1, отличающийся тем, что Стр.: 1 A 2 0 1 6 1 3 3 4 6 5 A Адрес для переписки: 190000, Санкт-Петербург, ...

Arc extinguishing device of air circuit breaker

An arc extinguishing device of an air circuit breaker is provided to prevent the gas from inputting to an opposite direction of a pressure outlet by installing a puffer device at a lower end of a guide arm. An arc extinguishing device of an air circuit breaker includes a movable contactor(14), a fixing contactor(16), a puffer device(100), a guide arm(17), and a slot. When the movable contactor(14) is isolated from the fixing contactor(16), the puffer device(100) partitions an arc extinguishing unit and an instrument unit by shielding an interval between the movable contactor(14) and the fixing contactor(16). The puffer device(100) is installed at a lower end of the guide arm(17). The guide arm(17) is mounted on the slot(100) which is formed at an upper part of the puffer device(100). An installation unit which is installed on the slot of the puffer device(100) is formed at a lower end which connects the puffer device(100) to the guide arm(17). A pin hole into which a fixing pin is inserted, is formed on the puffer device(100).

A kind of striking static contact and its breaker of plastic casing

本发明公开一种引弧静触头包括：静触头支架、触点以及弧形引弧杆，静触头支架包括第一平台、第一连接部、第二平台、第二连接部以及第三平台；第一平台通过第一连接部与所述第二平台连接，且第一平台与第一连接部形成的开口向下角为钝角，第一连接部与第二平台形成的开口向上的角为钝角；第二平台还通过所述第二连接部与所述第三平台连接，且第三平台位于所述第二平台的上方；触点位于所述第三平台上；弧形引弧杆位于所述第一连接部与所述第二平台之间。本发明中通过设置弧形引弧杆，能够有效抑制电弧能量的扩散，从而减少静触头的烧蚀，提高了断路器的分断能力。

Magnetic trip device for circuit breaker

The present invention provides a magnetic trip device for a circuit breaker capable of maintaining fault information indication until a user removes the cause of an accident subsequent to a trip operation and resets the magnetic trip device. The magnetic trip device for the circuit breaker of the invention includes: an actuator coil part having a plunger movable back and forth; an output plate configured to rotate in a first direction by pressing of the plunger; a micro switch configured to output an electrical signal indicating a state of the circuit breaker according to the pressing of an actuating lever portion; a switch driving lever mechanism configured to rotate to a first position for pressing the micro switch and a second position for releasing the micro switch; a driving lever bias spring configured to elastically bias the switch driving lever mechanism to rotate to the second position; an automatic reset mechanism configured to press the plunger to the retracted position by interworking with a main opening/closing shaft of the circuit breaker; and a driving lever latch configured to rotate to a restraining position for preventing the switch driving lever mechanism from rotating to the first position even if the plunger is moved to the retracted position by the automatic reset mechanism, and a release position for allowing the switch driving lever mechanism to rotate to the first position.

Extinguishing container structure of circuit breaker for wire

본 고안은 배선용 차단기의 소호실의 소호 특성을 향상시키기 위한 것으로, 가동접촉자를 중심으로 소호실을 좌우로 양분하여 이중 구조로 함으로써, 아크 유도 효과를 극대화하고 아크의 급속 냉각이 가능하게 하여 배선용 차단기의 단락 차단 성능을 향상시킨 것이다. The present invention is to improve the arc extinguishing characteristics of the arc extinguishing chamber of the circuit breaker. By dividing the extinguishing chamber to the left and right around the movable contactor to double structure, it maximizes the arc induction effect and enables rapid cooling of the arc. The short circuit blocking performance is improved.

Circuit breaker with an arc extinguishing device

본 고안은 소호부를 갖는 배선용 차단기에 관한 것으로서, 본 고안의 일측면에 의하면, 상하 방향으로 복수 개가 배열되며, 일측의 양단부에 돌출부가 형성되어 공간부를 형성하는 그리드; 상기 그리드를 지지하는 고정부; 상기 그리드의 양측면에 각각 고정되는 절연판; 상기 그리드의 하부에 위치하며, 아크 런너 및 상기 아크 런너의 상부에 배치되는 고정접점을 갖는 고정자; 상기 공간부 내에서 상하 운동하면서 상기 고정접점과 접촉 또는 분리되는 가동자;를 포함하는 배선용 차단기에 있어서, 상기 공간부 내에서 상기 절연판 사이의 간격은 상기 가동자의 폭 보다 작은 것을 특징으로 하는 배선용 차단기가 제공된다. The present invention relates to a circuit breaker having a arc extinguishing portion, according to one side of the present invention, a plurality is arranged in the vertical direction, the grid is formed on both ends of one side protruding portion to form a space; A fixing part supporting the grid; Insulating plates fixed to both sides of the grid; A stator positioned under the grid, the stator having an arc runner and a fixed contact disposed above the arc runner; And a mover which is in contact with or separated from the fixed contact while moving up and down in the space portion. The wiring breaker of claim 2, wherein the space between the insulation plates in the space portion is smaller than the width of the mover. Is provided.

Breaking device, circuit breaker and electrical equipment

本发明提供了一种开断装置、断路器及电气设备，包括：喷口、绝缘件、动触头组件和静触头组件。动触头组件内具有第一气室，绝缘件、动触头组件和静触头组件之间构成与第一气室连通的第二气室，喷口上开设有第一通孔，静触头组件滑动连接在喷口的外壁上；绝缘件连接在动触头组件上，并与静触头组件滑动连接。在第一状态时，第一通孔被静主触头遮挡封闭，在第二状态时，第一通孔连通第二气室与喷口内侧，从而在喷口内形成第二个高压区域进行吹弧。本发明能够在喷口内形成两个高压区域进行吹弧，从而更容易、更可靠地吹灭电弧。

Direct current cutting unit and dc circuit breaker

本发明提供一种直流切断单元以及直流断路器。所述直流切断单元具备开闭部、手柄、连接机构及灭弧部，其特征在于，还包括：导轨，位于底部面且用于将所述切断单元安装在面板，扩张外壳部，通过所述导轨的安装部分以不影响所述导轨的连接的方式扩张而形成；所述灭弧部包括：扩张电弧室，安装在所述扩张外壳部之内，以及电弧滚环，安装在所述电弧室的上部，以使电弧向扩张电弧室移动；所述开闭部具有可动触头、固定触头、永久磁铁及螺线管，所述永久磁铁配置在固定触头的固定触点下端部，具有S‑N形态或N‑S形态的磁性分布，所述固定触头和所述可动触头位于所述永久磁铁的两极之间。

Without electric arc power circuit breaker

本发明提供一种无电弧电力断路器，其特征是，由机械开关K(单相或三相)、电力电子可逆开关D(与K对应的单相或三相)、控制器P、检测仪表V1和V2构成，K与D组成受控于P的双开关通道，接于高压输入(IR)和输出(OUT)之间，K的主触点与D并接，D的控制极r接智能控制器P，在断路器跳闸时，K触点先断而D滞后截止，合闸时D率先导通而K触点滞后闭合，利用电力电子开关的无电弧通断特性保证K触点的入端和出端在通或断的瞬间由于D的导通而接近0电压，因此不产生电弧，用这种无电弧电力断路器替代结构复杂的传统型高压电力断路器。

Breaker of a gas insulation type load break switch

A breaker of a gas insulation type load break switch is provided to improve arc extinguishing operation by supplying gas through an arc extinguishing gas path. A breaker of a gas insulation type load break switch includes a shaft case(310) and a shaft. The shaft case(310) has a plurality of partitions(311) functioning as an arc extinguishing gas path at the inner/outer circumferences, a plurality of gas holes(312) partially penetrating the inner/outer circumferences between the partitions(311), main circuit fixing electrodes(313) and grounding circuit fixing electrodes(314) at the upper and lower ends of the upper side respectively, and a shaft through hole at the front center. The shaft has a pair of inserting grooves at one end along a body, a connecting protrusion between the inserting grooves, a rotation shaft inserting groove at the connecting protrusion to be connected with an adjuster of the gas insulation type load break switch, a pair of operation electrode through holes at both sides along the width of the body, an operation electrode separating protrusion in the operation electrode through hole, a fixed electrode inserting groove contacted to an operation electrode, and a plurality of rotation wings protruded at regular intervals.

Flat top end closure for liquid containers

(57)【要約】 【課題】 可動接点と固定接点の開閉状態を、回路遮断 器の外部から確実に判断できる表示装置を備えた回路遮 断器を得る。 【解決手段】 カバー１とベース２よりなる絶縁筐体 と、この絶縁筐体の内部に配設され外部からＯＮ，ＯＦ Ｆ操作可能なハンドル３と、絶縁筐体のベース２に装着 された固定接触子４と、この固定接触子に対向して接離 する可動接触子７と、この可動接触子を駆動する駆動部 材１０とを備えた回路遮断器において、カバー１の表面 側に形成された凹部１ａ，１ｃと、この凹部に収納され 駆動部材に連動して可動接触子７と固定接触子４の接離 状態を表示する表示装置３０とを設ける。

Circuit breaker

[과제] 열동전자식(熱動電磁式)의 과전류 트리핑 장치이면서, 자동조립에 적절한 높은 차단용량의 회로차단기를 얻는다. [해결수단] 개폐기구부(51)와, 과전류 트리핑 장치(52)와, 개폐기구부(51)와 연동하여 회동하는 크로스바(12)에 마련된 가동접촉자(13)와, 베이스(3)에 수납되어 아크를 재단하는 소호장치(53)를 포함하는 차단부와, 미들 베이스(2), 베이스(3) 및 미들 베이스(2)에 수납된 각 부품을 덮는 커버(1)를 구비하고, 미들 베이스(2)에는 미들 베이스(2)를 베이스(3)에 삽입하는 방향에 대해 직교하는 면에 차단부와 마주보도록 제1 구멍(2d)이 마련되며, 제1 구멍(2d)은 과전류 트리핑 장치(52)의 요크(7)에 의해 접착되어 있는 회로차단기에 있어서, 커버(1)는 개폐기구부(51)가 놓여 있지 않은 극의 과전류 트리핑 장치를 걸리게 하는 돌설부를 가지고, 개폐기구부(51)와 과전류 트리핑 장치(52)와의 사이에 절연부재(54)를 배치했다. [PROBLEMS] To provide a thermoelectric electromagnetic overcurrent tripping device, a circuit breaker having a high breaking capacity suitable for automatic assembly. SOLUTION MEASURES The movable contactor 13 provided in the opening-closing mechanism part 51, the overcurrent tripping device 52, and the crossbar 12 which rotates in cooperation with the opening-closing mechanism part 51, and the base 3 are housed in an arc And a blocking part including an extinguishing device 53 for cutting the lower part, and a cover 1 covering each part accommodated in the middle base 2, the base 3, and the middle base 2, and the middle base 2. ) Is provided with a first hole (2d) to face the blocking portion on a surface perpendicular to the direction in which the middle base (2) is inserted into the base (3), the first hole (2d) is the overcurrent tripping device 52 In the circuit breaker bonded by the yoke (7), the cover (1) has a protruding portion for locking the overcurrent tripping device of the pole in which the open / close mechanism (51) is not placed, and the open / close mechanism (51) and the overcurrent tripping. The insulating member 54 was disposed between the apparatus 52.

Frame-type circuit breaker striking arc extinguishing device and contact arc extinguishing system

本发明公开了一种框架式断路器引弧灭弧装置及触头灭弧系统，框架式断路器触头灭弧系统包括框架式断路器引弧灭弧装置，所述的框架式断路器引弧灭弧装置中的引弧片的下端设有与其对应的触头系统，触头系统设于隔弧罩内，触头系统的下方设有触头支持，触头支持的左右两侧均设有固定夹板，隔弧罩左右两端与两个固定夹板分别连接，隔弧罩和触头支持的下端设于支架上，支架上设有母线。本发明通过引弧灭弧装置引过来的电弧至触头灭弧系统内，可以有效提高断路器触头系统的分断电流、灭弧性能，有效降低触头系统主触头的烧损，提高触头系统的实际使用寿命，延长触头系统以及断路器的实际使用寿命周期。

Blow open moving contact assembly for electric power switching apparatus with a very high current interruption rating

A moving contact assembly for a high-current interruption electric power switching apparatus has an inner carrier for the contact fingers that is rigidly held in a withstand position in an outer carrier by a spring biased cam follower pin engaging a cam profile on the inner carrier and configured to positively seat an inner carrier stop against an outer carrier stop on the outer carrier and to rapidly drive the inner carrier to a blow open position in response to a fault. The cam profile has an extended width divided between spaced apart cam profile sections to absorb the high closing and withstand forces. An abutment on the outer carrier resists bowing of the cam follower pin between the cam profile sections. Complementary convex and concave partial cylindrical surfaces on the inner carrier and a gas shield on the moving assembly carrier body maintain an arc gas seal during blow open.

Auxiliary device and data transmission method, auxiliary node and electric circuit breaker, which contain above mentioned device

Изобретение касается вспомогательного устройства (1; 201; 304; 402) передачи данных для прерывателя цепи, содержащего средство (5; 51; 202) обработки, которое содержит первый вход (33; 57; 207) для приема (606) первого элемента данных о состоянии (О, С) прерывателя цепи, и по меньшей мере один командный выход (7, 8; 58, 59; 213, 214) для инициации передачи данных. Средство обработки содержит: второй вход (6; 55; 206) для приема по меньшей мере одного второго элемента данных, представляющего повреждение в электрической цепи или вспомогательную команду; средство (31; 56) распознавания для распознавания (605) типа повреждения (SD, SDT, SDV) в электрической цепи; и средство (34; 60) установки в рабочее состояние по меньшей мере одного командного выхода. Технический результат - оптимизация последовательности операций. 4 н. и 21 з.п. ф-лы, 22 ил. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 427 053 (13) C2 (51) МПК H01H 71/46 H01H 71/12 (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2007146180/07, 11.12.2007 (24) Дата начала отсчета срока действия патента: 11.12.2007 (73) Патентообладатель(и): ШНЕЙДЕР ЭЛЕКТРИК ЭНДЮСТРИ САС (FR) 2 4 2 7 0 5 3 (43) Дата публикации заявки: 20.06.2009 Бюл. № 17 (45) Опубликовано: 20.08.2011 Бюл. № 23 2 4 2 7 0 5 3 R U Адрес для переписки: 129090, Москва, ул. Б.Спасская, 25, стр.3, ООО "Юридическая фирма Городисский и Партнеры", пат.пов. Ю.Д.Кузнецову, рег.№ 595 C 2 C 2 (56) Список документов, цитированных в отчете о поиске: ЕР 0591074 А1, 06.04.1994. RU 2170441 C2, 10.07.2001. WO 0169632 A2, 20.09.2001. DE 2814070 B1, 26.04.1979. (54) ВСПОМОГАТЕЛЬНОЕ УСТРОЙСТВО И СПОСОБ ПЕРЕДАЧИ ДАННЫХ, ВСПОМОГАТЕЛЬНЫЙ УЗЕЛ И ПРЕРЫВАТЕЛЬ ЭЛЕКТРИЧЕСКОЙ ЦЕПИ, СОДЕРЖАЩИЕ УПОМЯНУТОЕ УСТРОЙСТВО (57) Реферат: Изобретение касается вспомогательного устройства (1; 201; 304; 402) передачи данных для прерывателя цепи, содержащего средство (5; 51; 202) обработки, которое ...

Air circuit breaker include the same

기중 차단기가 개시된다. 본 발명의 실시 예에 따른 기중 차단기는 CT 자석부를 포함한다. CT 자석부는 외부에 노출된 가동 접점대를 덮도록 기중 차단기에 구비된다. CT 자석부의 외형을 형성하는 케이스의 내부에는, CT 자석이 구비된다. CT 자석은 독자적으로 부 자기장을 형성하거나, 아크 소호부에 구비되는 소호 자석과 함께 주 자기장을 형성한다. CT 자석이 형성하는 자기장에 의해, 발생된 아크는 아크 소호부를 향하는 방향의 전자기력을 인가받는다. 이에 따라, 발생된 아크가 신속하게 이동 및 소호될 수 있다.

Molded case circuit breaker

The present invention relates to a molded case circuit breaker which comprises: a case including terminal parts connected to a wire side and a load side respectively; an interrupter assembly installed inside the case, including an arc gas discharger to discharge arc gas generated inside; a discharge guiding part arranged between the interrupter assembly and the terminal parts, including a discharge chamber inside to provide an arc gas path between the arc gas discharger and a bent suit of the terminal parts; and a discharge cover installed on the case in a structure of covering the discharge guiding part, and sealing the arc gas path. Accordingly, the arc gas is rapidly discharged by preventing leakage through a gap between the discharge cover and the case through a structure of overlapped sealing rib and sealing groove in case that the discharge cover is combined with the case.

Circuit breaker

서로 분할 가능한 메인 케이스(2), 미들 커버(3) 및 톱 커버(4)로 이루어지는 몰드 케이스(1)를 구비하는 회로 차단기에 있어서, 메인 케이스(2)는, 다상 회로의 각 상에 대응하는 극에 대해 고정 접촉자(5)와 가동 접촉자(7)를 각각 포함하는 접촉자부와, 소호 장치(9), 과전류를 검출하는 것에 의해 트리핑 기구(11)를 작동시키는 과전류 트리핑 장치(12) 및 누설 전류를 검출하는 영상 전류 트랜스(zero-phase current transformer; 13)를 포함한다. 미들 커버(3)는 개폐 기구(10)와 트리핑 기구를 수납하기 위한 구획된 오목부를 구비한다. 이렇게 배치된 몰드 케이스(1)에 있어서, 미들 커버를 메인 케이스 위에 겹친 상태에서, 각 극에 대한 접촉자부와 소호 장치를 둘러싸서 접촉자부와 소호 장치를 서로 격리시키는 극간 격벽(2a 및 3b), 및 배후에서 접촉자부를 과전류 트리핑 장치와 격리시키는 스크린 형상의 중간 격벽(3d)이 형성되고, 아크 가스에 대한 가스 배출구(9c)를 갖는 벽(9b)이 소호 장치의 배후에 형성된다. 차단기, 누전 차단기, 회로 차단기

Electrical switching device

一种电气开关设备(2)，包括外壳(4)和容纳在外壳中的灭弧室(12)，灭弧室包括金属板(14)堆叠，开关设备还包括放置在灭弧室的输出处的分流部件(20)，分流部件放置成与金属板堆叠接触，垂直于金属板，同时至少部分地插入格栅中和/或堆叠的金属板之间，以便分流从灭弧室排出的气流。

Pressure-trip apparatus for molded case circuit breaker

본 발명은 배선용 차단기의 압트립장치에 관한 것으로서, 아크 가스가 배출될 수 있도록 하부에 형성되는 가스배출구를 구비하고 각 상별로 마련되는 케이스와, 상기 케이스 내에 설치되는 고정접촉자 및 가동접촉자를 구비하는 접촉자부와, 상기 가동접촉자에 접속되어 상기 가동접촉자를 개로 또는 폐로 위치로 이동시키는 개폐기구부와, 발생된 아크를 소호할 수 있도록 상기 고정접촉자의 둘레에 설치되는 소호부를 각각 구비하는 복수의 단극차단유니트를 구비한 배선용 차단기에 있어서, 상기 단극차단유니트의 상측에 회동가능하게 설치되어, 상기 가동접촉자를 개로의 트립위치로 이동시키게 상기 개폐기구부를 작동시키는 방향으로 회동가능한 트립바와; 상기 가스배출구의 하류 측에 아크 가스의 압력을 받을 수 있도록 배치되는 수압판과, 일단은 상기 수압판에 연결되고 타 단은 상기 트립바를 가격하여 회동시킬 수 있도록 상기 트립바 측으로 연장되게 배치되는 레버부를 구비하여 상기 케이스의 외부에 회동가능하게 설치되는 가스압 회동레버를; 포함하여 구성되는 것을 특징으로 한다. 이에 의해, 한류동작 시 트립 시간을 단축하여 피해의 확산을 방지할 수 있으며 기기의 신뢰성을 제고시킬 수 있는 배선용 차단기의 압트립장치가 제공된다. The present invention relates to a pressure trip device for a circuit breaker, comprising a case having a gas discharge port formed at a lower portion so that arc gas can be discharged, and a case provided for each phase, and a fixed contactor and a movable contactor installed in the case. A plurality of single-pole blockers each having a contactor portion, an opening / closing mechanism portion connected to the movable contactor to move the movable contactor to an open or closed position, and a arcing portion provided around the fixed contactor so as to extinguish the generated arc. A circuit breaker having a unit, comprising: a trip bar rotatably provided on an upper side of the single pole blocking unit, the trip bar being rotatable in a direction to operate the opening and closing mechanism to move the movable contact to an open trip position; A pressure plate disposed on the downstream side of the gas outlet so as to receive the pressure of the arc gas, and one end connected to the hydraulic plate and the other end extended to the trip bar side to rotate by hitting the trip bar; A gas pressure rotation lever provided with a rotatably installed outside of the case; Characterized in that it comprises a. Accordingly, a pressure tripping device for a circuit breaker which can shorten a trip time during a current-limiting operation, prevents the spread of damage, ...

Arc extinguishing apparatus of molded-case circuit breaker

본 고안에 따른 배선용 차단기의 소호장치는, 콘택트 커버의 개구부를 막아주는 플레이트부와, 이 플레이트부의 하부 양측에서 상측으로 길게 연결되어 상기 개구부의 삽입홈에 끼워지는 끼움부로 구성되되, 상기 끼움부는 상기 삽입홈 내측 방향으로 벌림 탄성을 갖도록 형성됨으로써, 라인 배리어의 안정된 장착 상태를 확보할 수 있고, 사고 발생 시 등에 단락압력에 의한 이탈시간을 지연시켜 소호부 내의 압력 상승시간을 더 길게 확보할 수 있고, 이로 인하여 차단시간 단축을 유도하여 차단기의 성능 향상에 기여할 수 있게 된다. The circuit breaker extinguishing device according to the present invention includes a plate portion blocking an opening of a contact cover, and a fitting portion long connected upwardly from both sides of the lower portion of the plate portion and fitted into an insertion groove of the opening portion, wherein the fitting portion is Since it is formed to have an opening elasticity in the direction of the insertion groove, it is possible to secure a stable mounting state of the line barrier, and to secure a longer pressure rise time in the extinguishing portion by delaying the release time due to the short circuit pressure in case of an accident. As a result, induction of shortening of the breaking time can contribute to the improvement of the breaker performance.

Novel arc extinguishing grid piece and arc extinguishing chamber thereof

本发明涉及一种新型灭弧栅片及其灭弧室，其灭弧栅片为一片状体，其上设有切割电弧部，其特征在于：所述切割电弧部宽度方向上设置有至少一个弯曲部分，该弯曲部分是凹的或者凸的，所述凹或者凸的轴线与电弧运动方向平行。本发明是在灭弧栅片的切割电弧部上沿宽度方向上设置至少一个凹或凸的弯曲部分，使得栅片宽度方向的展开长度增加，相邻栅片的正对表面积也增加，即增加栅片质量，能够承受更多电弧能量，也就是热容量增加，从而获得相对于传统的平板型栅片更好的冷却电弧效果，最终提升灭弧室的分断能力。

Arc extinguishing apparatus of molded-case circuit breaker and line barrier thereof

본 고안에 따른 배선용 차단기의 소호장치 및 그에 사용되는 라인 배리어는, 콘택트 커버의 개구부를 막아주는 플레이트부와, 이 플레이트부의 하부 양측에서 상측으로 길게 연결되어 상기 개구부의 삽입홈에 끼워지는 끼움부로 구성되되, 상기 끼움부는 상기 삽입홈 내측 방향으로 벌림 탄성을 갖도록 형성됨으로써, 라인 배리어의 안정된 장착 상태를 확보할 수 있고, 사고 발생 시 등에 단락압력에 의한 이탈시간을 지연시켜 소호부 내의 압력 상승시간을 더 길게 확보할 수 있고, 이로 인하여 차단시간 단축을 유도하여 차단기의 성능 향상에 기여할 수 있게 된다.

Enclosure of single pole breaking unit for mold cased circuit breaker

PURPOSE: A single pole breaking unit enclosure of a molded case circuit breaker is provided to effectively and quickly discharge arc gas pressure by forming the thickness of a thin film part from 0.3mm to 1.0mm. CONSTITUTION: A thin film part(S100b-1) is installed at a location adjacent to an arc extinguishing mechanism installation part. The thin film part is formed with a thickness less than the average thickness of an insulating material part. The thin film part is normally blocked. The thin film part is burst by a predetermined arc gas pressure and forms a gas discharge outlet. The thin film part has a thickness ranging from 0.3mm to 1.0mm.

Circuit-breaker

本发明得到一种电路断路器，该电路断路器应对直流的高电压，能够从小于或等于1kA的小电流至超过1kA这样的接地电流为止进行稳定的断开。具有：第一开闭触点(1a、1b)，其对直流电路(200)进行开闭；第二开闭触点(2a、2b)，其与该第一开闭触点(1a、1b)串联连接，对直流电路(200)进行开闭；以及，半导体开关(4a、4b)，其并联连接于第二开闭触点(2a、2b)的两端，对直流电路(200)进行开闭，半导体开关(4a、4b)在接通时，在第一开闭触点(1a、1b)以及第二开闭触点(2a、2b)的闭合之后闭合，在断开时，在第一开闭触点(1a、1b)以及第二开闭触点(2a、2b)的开断之后开断。

Control circuit for electronic mold cased circuit breaker

본 고안은 회로 상 통전 전류가 정격 전류에 근접할 때 트립 동작 전에 이를 원격지에서 경고할 수 있는 전자식 배선용 차단기의 제어회로를 제공하려는 것으로서, 상 별 변류기와, 상기 변류기로부터의 상 별 전류신호를 정류하는 정류회로 부와, 상기 정류된 상 별 전류신호를 증폭하는 증폭회로 부와, 상기 상 별 전류 신호의 증폭신호가 미리 결정된 순시 차단 전류의 수준에 도달할 때, 코일 구동 신호를 출력하는 순시 검출회로 부와, 상기 코일 구동 신호에 의해 자화되어 상기 개폐기구를 석방시키는 트립 코일(TRIP COIL)과, 상기 상 별 전류 신호의 증폭신호를 디지탈 신호로 변환하여 출력하는 아날로그-디지탈 변환회로 부와, 상기 상 별 전류의 디지털 신호가 정격 전류 값보다 작은 정격 전류 값의 미리 설정된 제 1 비율에 해당하는 값에 도달하면, 사전 경고가 필요한 것으로 결정하여 사전 경고를 위한 표시 구동 신호를 출력하고, 상기 상 별 전류의 디지털 신호가 정격 전류 값보다 큰 정격 전류 값의 미리 설정된 제 2 비율에 해당하는 값에 도달하면, 상기 트립 코일에 상기 개폐기구를 석방시키는 구동 신호를 출력하는 마이크로 프로세서와, 상기 표시 구동 신호에 응답하여 미리 경고하도록 점멸동작하는 발광 다이오드 및 상기 마이크로 프로세서의 일 출력단에 병렬로 접속되어, 회로 상의 전류가 정격 전류 값에 근접하므로 미리 경고하도록 상기 표시 구동 신호를 원격지로 전달하기 위한 연장 신호 선을 포함하여 구성된다. The present invention aims to provide a control circuit of an electronic wiring breaker that can warn the remotely before a trip operation when the energized current in the circuit is close to the rated current, and rectifies the phase current transformer and the phase current signal from the current transformer. A rectifying circuit section, an amplifying circuit section for amplifying the rectified phase current signal, and an instantaneous detection for outputting a coil driving signal when the amplified signal of the phase current signal reaches a predetermined instantaneous breaking current level. A circuit unit, a trip coil (TRIP COIL) magnetized by the coil drive signal to release the switching mechanism, and an analog-digital conversion circuit unit for converting and outputting an amplified signal of the phase current signal into a digital signal; When the digital signal of the phase current reaches a value corresponding to the first preset ratio of the rated current value smaller than the rated current value, If it is determined that a pre-warning is required, the display drive signal for pre-warning is output, and when the digital signal of the phase current reaches a value corresponding to a preset second ratio of the rated ...