Circuit breaker with a visual indication of a trip

Details Circuit breaker with a visual indication of a trip Circuit breaker with a visual indication of a trip

H - Electricity

01

H

H01H 71/04 (2006.01) H01H 73/12 (2006.01)

Patent

CA 2497490

A trip indicator of a circuit breaker is set to the tripped position through engagement by the cradle, which is unlatched by the trip mechanism. Even though the cradle is automatically reset by a reset spring, the trip member indicator is retained in the tripped position by an indicator spring. The trip indicator member is returned to the untripped position by a reset member on the circuit breaker operating member as the latter is rotated by the circuit breaker handle to the ON position. The trip indicating member is transversely displaced through an out of round pivot mount as the operating member is rotated to the off position before the cradle unlatches when the circuit breaker blows open in response to a short circuit.

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