Electrical switching apparatus and push-to-trip assembly...

Details Electrical switching apparatus and push-to-trip assembly... Electrical switching apparatus and push-to-trip assembly...

H - Electricity

01

H

H01H 71/00 (2006.01) H01H 71/02 (2006.01) H01H 71/50 (2006.01)

Patent

CA 2668331

A push-to-trip assembly is provided for an electrical switching apparatus, such as a circuit breaker. The push-to-trip assembly includes a push-to-trip actuator having first and second ends and being movable among a first position corresponding to the circuit breaker separable contacts being closeable, and a second position corresponding to the second end cooperating with a trip bar to cause the circuit breaker operating mechanism to trip open the separable contacts. The first end is accessible from the exterior of the housing to actuate the push-to-trip actuator from the first position to the second position. A biasing element biases the push- to-trip actuator away from the base toward the first position. At least one cover stop of the push-to-trip actuator engages a corresponding portion of the housing cover to stop movement of the push-to-trip actuator. An overtravel restraint proximate the second end of the push-to-trip actuator restrains movement of the trip bar.

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