Circuit breaker

Details Circuit breaker Circuit breaker

H - Electricity

01

H

H01H 9/28 (2006.01) H01H 73/06 (2006.01)

Patent

CA 2701235

A circuit breaker, comprising a locking device, a secondary cover and a tripbar operatively associated with the locking device. The locking device comprises a lock assembly and a piston assembly operatively coupled with the lock assembly. A through hole for the lock assembly is provided in the secondary cover. The lock assembly has a locked position and an unlocked position, and the piston assembly has a work position and a rest position respectively corresponding to the locked and unlocked positions. The piston assembly is configured to prevent the tripbar from moving to a relatch position when it is in the work position, such that the circuit breaker cannot be turned on. The locking device is configured to be installed on the circuit breaker through the through hole.

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