Electrical enclosure having a breaker cover gasket and method

An electrical enclosure includes at least one circuit breaker compartment and a cover mounted thereon. The cover includes an opening receptive of at least one circuit breaker. A gasket extends about at least a portion of the opening. The gasket includes an inner seal assembly and an outer seal assembly. The outer seal assembly is positioned to engage the at least one circuit breaker when the cover is in a closed position. The inner seal assembly is movable between a non-deployed configuration spaced from the at least one circuit breaker and a deployed configuration engaged with the at least one circuit breaker. The inner seal assembly is responsive to a pressure wave in the at least one circuit breaker compartment to move from the non-deployed configuration to the deployed configuration and substantially prevent out gassing through the opening in the cover.

Redundant systems, methods, and apparatus for use in arc flash prevention systems

A hub for use with a circuit protection system includes a first input port configured to communicatively couple to at least one sensor device, wherein the at least one sensor device includes a light source and at least one light sensor. The hub also includes a first output port configured to communicatively couple to at least one controller, and a processor communicatively coupled to the first input port and to the first output port. The processor is configured to receive a sensor status signal from the at least one light sensor via the first input port in response to a test pulse emitted by the light source, and transmit a hub status signal to the at least one controller via the first output port based at least in part on the sensor status signal.

REDUNDANT SYSTEMS, METHODS, AND APPARATUS FOR USE IN ARC FLASH PREVENTION SYSTEMS

A hub for use with a circuit protection system includes a first input port configured to communicatively couple to at least one sensor device, wherein the at least one sensor device includes a light source and at least one light sensor. The hub also includes a first output port configured to communicatively couple to at least one controller, and a processor communicatively coupled to the first input port and to the first output port. The processor is configured to receive a sensor status signal from the at least one light sensor via the first input port in response to a test pulse emitted by the light source, and transmit a hub status signal to the at least one controller via the first output port based at least in part on the sensor status signal.

APPARATUS FOR CONTROLLING CAPACITOR CHARGE STATUS AND METHOD OF ASSEMBLY

A capacitor charge control assembly for use with a circuit protection device that includes at least one activation capacitor, including at least one input device configured to receive first and second user inputs, and a linkage assembly coupled to the at least one input device such that the at least one input device is movable between a first position and an opposite second position. The control assembly also includes at least one switch coupled to the at least one input device and configured to generate one of a first signal and a second signal, wherein the first signal is based on the first user input and the second signal is based on the second user input, and wherein the first signal causes the at least one activation capacitor to discharge stored energy and the second signal causes the at least one activation capacitor to store energy.

Electrical enclosure including an integral exhaust duct and method

An electrical enclosure includes a first wall having an exhaust opening, a second wall, and a third wall. The electrical enclosure also includes at least one circuit breaker compartment, a line compartment arranged between the third wall and the at least one circuit breaker compartment, and an exhaust duct extending through the electrical enclosure between the first wall and the second wall. The exhaust duct is fluidically connected to the exhaust opening and each of the at least one circuit breaker compartments. At least one passage extends between the line compartment and the at least one circuit breaker compartment through the exhaust duct. The at least one passage is substantially fluidically isolated from the exhaust duct.

MODULAR SWITCHGEAR AND METHOD OF ASSEMBLING THE SAME

An electrical enclosure includes a main cabinet and a modular cabinet removably secured to the main cabinet. The main cabinet includes a bus compartment that includes a busbar assembly, and the bus compartment is located between an end wall of the main cabinet and a partition opposite the end wall. The modular cabinet is comprised of interlocking compartment modules. Each compartment module interlocks with an adjacent compartment module. Each compartment module includes first and second side panels. Each side panel includes an alignment member that engages an alignment member of a respective side panel of the adjacent compartment module. Each compartment module also includes a base that extends between the first and second side panels and a terminal wall that joins the first and second side panels. The terminal walls of the interlocking compartment modules engage to form a structural wall of the modular cabinet.

SHUTTER SYSTEM FOR A SWITCHGEAR COMPARTMENT AND METHOD OF MANIPULATING A SHUTTER SYSTEM

A shutter system for a switchgear compartment includes a moveable shutter translatable between a closed position and an open position. Also included is a pusher operatively coupled to a first side of the moveable shutter and configured to impart a force on the moveable shutter in response to an insertion of an electrical device within the switchgear compartment. Further included is a cam member having a cam shaft operatively coupled to the moveable shutter, the cam shaft having a cam track. Yet further included is a bell crank configured to guide along the cam track and translate the moveable shutter between the closed position and the open position. 1. A shutter system for a switchgear compartment comprising:a moveable shutter translatable between a closed position and an open position;a pusher operatively coupled to a first side of the moveable shutter and configured to impart a force on the moveable shutter in response to an insertion of an electrical device within the switchgear compartment;a cam member having a cam shaft operatively coupled to the moveable shutter, the cam shaft having a cam track; anda bell crank configured to move along the cam track of the cam shaft and translate the moveable shutter between the closed position and the open position.2. The shutter system of claim 1 , wherein the bell crank includes at least one protrusion disposed along an inner surface of the bell crank and operatively coupled to the cam track claim 1 , the at least one protrusion configured to move along the cam track.3. The shutter system of claim 1 , further comprising a fixed shutter having a first surface disposed proximate a second side of the moveable shutter and defining a plurality of fixed shutter apertures.4. The shutter system of claim 3 , wherein the moveable shutter defines a plurality of moveable shutter apertures claim 3 , wherein the plurality of moveable shutter apertures is aligned with the plurality of fixed shutter apertures in the open position claim 3 ...

ELECTRICAL ENCLOSURE INCLUDING AN INTEGRAL EXHAUST DUCT AND METHOD

An electrical enclosure includes a first wall having an exhaust opening, a second wall, and a third wall. The electrical enclosure also includes at least one circuit breaker compartment, a line compartment arranged between the third wall and the at least one circuit breaker compartment, and an exhaust duct extending through the electrical enclosure between the first wall and the second wall. The exhaust duct is fluidically connected to the exhaust opening and each of the at least one circuit breaker compartments. At least one passage extends between the line compartment and the at least one circuit breaker compartment through the exhaust duct. The at least one passage is substantially fluidically isolated from the exhaust duct. 1. An electrical enclosure including a first wall having an exhaust opening , a second wall , and a third wall , the electrical enclosure comprising:at least one circuit breaker compartment;a line compartment arranged between the third wall and the at least one circuit breaker compartment;an exhaust duct extending through the electrical enclosure between the first wall and the second wall, the exhaust duct being fluidically connected to the exhaust opening and each of the at least one circuit breaker compartments; andat least one passage extending between the line compartment and the at least one circuit breaker compartment through the exhaust duct, the at least one passage being substantially fluidically isolated from the exhaust duct.2. The electrical enclosure according to claim 1 , further comprising a plenum arranged at the first wall across the opening claim 1 , the plenum including an opening exposed outwardly of the electrical enclosure.3. The electrical enclosure according to claim 2 , wherein the line compartment is fluidically connected to the exhaust duct.4. The electrical enclosure according to claim 3 , wherein the line compartment is fluidically connected to the exhaust duct through the plenum.5. The electrical enclosure ...

ELECTRICAL ENCLOSURE INCLUDING A SELECTIVLY CLOSEABLE VENTILATION OPENING AND METHOD

An electrical enclosure includes a plurality of walls. The electrical enclosure also includes at least one compartment defined, at least in part, by the plurality of walls, and at least one ventilation opening formed in one of the plurality of walls. The at least one ventilation opening provides a flow path from the at least one compartment. At least one closure is provided on the one of the plurality of walls at the at least one ventilation opening. The at least one closure is responsive to a pressure wave to selectively close the at least one ventilation opening and re-open the at least one ventilation opening after the pressure wave has passed from the electrical enclosure.

Shutter system for a switchgear compartment and method of manipulating a shutter system

A shutter system for a switchgear compartment includes a moveable shutter translatable between a closed position and an open position. Also included is a pusher operatively coupled to a first side of the moveable shutter and configured to impart a force on the moveable shutter in response to an insertion of an electrical device within the switchgear compartment. Further included is a cam member having a cam shaft operatively coupled to the moveable shutter, the cam shaft having a cam track. Yet further included is a bell crank configured to guide along the cam track and translate the moveable shutter between the closed position and the open position.

MODULAR SWITCHGEAR AND METHOD OF ASSEMBLING THE SAME

An electrical enclosure includes a main cabinet and a modular cabinet removably secured to the main cabinet. The main cabinet includes a bus compartment that includes a busbar assembly, and the bus compartment is located between an end wall of the main cabinet and a partition opposite the end wall. The modular cabinet is comprised of interlocking compartment modules. Each compartment module interlocks with an adjacent compartment module. Each compartment module includes first and second side panels. Each side panel includes an alignment member that engages an alignment member of a respective side panel of the adjacent compartment module. Each compartment module also includes a base that extends between the first and second side panels and a terminal wall that joins the first and second side panels. The terminal walls of the interlocking compartment modules engage to form a structural wall of the modular cabinet.

ELECTRICAL ENCLOSURE HAVING A BREAKER COVER GASKET AND METHOD

An electrical enclosure includes at least one circuit breaker compartment and a cover mounted thereon. The cover includes an opening receptive of at least one circuit breaker. A gasket extends about at least a portion of the opening. The gasket includes an inner seal assembly and an outer seal assembly. The outer seal assembly is positioned to engage the at least one circuit breaker when the cover is in a closed position. The inner seal assembly is movable between a non-deployed configuration spaced from the at least one circuit breaker and a deployed configuration engaged with the at least one circuit breaker. The inner seal assembly is responsive to a pressure wave in the at least one circuit breaker compartment to move from the non-deployed configuration to the deployed configuration and substantially prevent out gassing through the opening in the cover.

Modular switchgear and method of assembling the same

An electrical enclosure includes a main cabinet and a modular cabinet removably secured to the main cabinet. The main cabinet includes a bus compartment that includes a busbar assembly, and the bus compartment is located between an end wall of the main cabinet and a partition opposite the end wall. The modular cabinet is comprised of interlocking compartment modules. Each compartment module interlocks with an adjacent compartment module. Each compartment module includes first and second side panels. Each side panel includes an alignment member that engages an alignment member of a respective side panel of the adjacent compartment module. Each compartment module also includes a base that extends between the first and second side panels and a terminal wall that joins the first and second side panels. The terminal walls of the interlocking compartment modules engage to form a structural wall of the modular cabinet.

Interlocking trim plates

An electrical enclosure includes gap-free trim plate installation. A switchboard or power panel includes an enclosure face with a central opening covered by a top label plate, a bottom label plate and a plurality of trim plates. The trim plate flanges cooperatively engage one another in an interlocking fashion. The interlocking arrangement allows the trim plates to remain in their installed position without external restraint during installation and removal.

Apparatus for controlling capacitor charge status and method of assembly

A capacitor charge control assembly for use with a circuit protection device that includes at least one activation capacitor, including at least one input device configured to receive first and second user inputs, and a linkage assembly coupled to the at least one input device such that the at least one input device is movable between a first position and an opposite second position. The control assembly also includes at least one switch coupled to the at least one input device and configured to generate one of a first signal and a second signal, wherein the first signal is based on the first user input and the second signal is based on the second user input, and wherein the first signal causes the at least one activation capacitor to discharge stored energy and the second signal causes the at least one activation capacitor to store energy.

Apparatus for controlling capacitor charge status and method of assembly