21-10-2015 дата публикации
Номер: CN0204720970U
Принадлежит:
The utility model relates to a CT self -power observes and controls protection device belongs to CT self -power versatile protector's technical field, the problem of the technique is solved for: the utility model provides a volume is less, the cost is lower, the security is higher and can carry out self -powered observing and controlling protection device, the technical scheme who adopts does: include: box and locate the inside circuit board of box, be equipped with main control unit, CT sampling unit on the circuit board, open the unit, leave unit, communication unit, CT power supply circuit unit, CT sampling unit, open the unit, leave unit, communication unit and CT power supply circuit unit respectively with the main control unit links to each other, be provided with the man -machine interface unit on the front panel of box, the man -machine interface unit with the main control unit links to each other, be provided with sampled signal input interface, switching value input interface, ...
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