Overcurrent trip switch

Details Overcurrent trip switch Overcurrent trip switch

H - Electricity

01

H

H01H 71/04 (2006.01) H01H 71/46 (2006.01)

Patent

CA 2069795

PATENT 55,597 ABSTRACT An alarm assembly for use with a circuit breaker is provided. The assembly is used with the flux shunt trip device of the circuit breaker. The flux shunt trip device has a plunger which moves from a retracted position to an extended position to interrupt current through the circuit breaker upon a predetermined condition. The assembly includes an actuating member mounted in engageable relationship with the plunger so that when the plunger moves to its extended position, the actuating member moves to an actuated position. In the actuated position, the actuating member contacts a switch mechanism to actuate a switch which may be connected to an alarm or light indicator to identify that the circuit breaker has tripped. The actuating member remains in its actuated position until it is manually reset. A mechanism is provided for reset of the device.

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