Molded case circuit breaker operating cradle configuration

Details Molded case circuit breaker operating cradle configuration Molded case circuit breaker operating cradle configuration

1990-09-14

1991-10-22

Picard, Leo P.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Latching means

335 22, H01H 920

Patent

active

050599330

ABSTRACT:
A molded case circuit breaker of the type containing an electronic trip unit and a combined acutator-accessory unit to articulate the circuit breaker operating mechanism employs an optimum cradle configuration within the circuit breaker operating mechanism. The optimized cradle interacts with the circuit breaker latch assembly to substantially reduce the tripping force required to articulate the operating mechanism.

REFERENCES:
patent: 4302740 (1981-11-01), Maier et al.
patent: 4622530 (1986-11-01), Ciarcia et al.
patent: 4679019 (1987-07-01), Todaro et al.
patent: 4736174 (1988-04-01), Castonguay et al.
patent: 4806893 (1989-02-01), Castonguay et al.
patent: 4864263 (1989-09-01), Castonguay et al.

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