Circuit breaker having cam surfaces on the trip member

Details Circuit breaker having cam surfaces on the trip member Circuit breaker having cam surfaces on the trip member

1978-02-17

1980-04-08

Broome, Harold

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Tripping means

335 21, 335 38, H01H 7510, H01H 7110

Patent

active

041975197

ABSTRACT:
A high performance, manually and automatically operable, trip-free magnetic circuit breaker incorporates a collapsible linkage having selected elements of precision molded plastic cooperating in a dual latch system, the linkage being adapted to be accurately assembled and mounted in the breaker without requiring adjustment inside the breaker housing; incorporates a double break contact system to achieve longer life, more reliable operation and improved rupture capacity; and incorporates auxiliary switch means with improved actuator biasing to achieve more reliable breaker operation in auxiliary switch applications.

REFERENCES:
patent: 3317867 (1967-05-01), Powell
patent: 4023127 (1977-05-01), Mune

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