Combination cover interlock and trip actuator

Details Combination cover interlock and trip actuator Combination cover interlock and trip actuator

1976-04-28

1978-01-10

Broome, Harold

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Tripping means

200 50A, H01H 922

Patent

active

040682005

ABSTRACT:
A multi-pole molded case circuit breaker is provided with an interlock, including an actuator, that automatically operates a common trip bar to trip position when the cover of the molded case is open. With the cover closed, the actuator is accessible for a twisting operation which also operates the trip bar to trip position.

REFERENCES:
patent: 3030470 (1962-04-01), Hargreaves
patent: 3781728 (1973-12-01), Grunert et al.
patent: 4000478 (1976-12-01), Jencks et al.

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