Method case circuit breaker movable contact arm arrangement

Details Method case circuit breaker movable contact arm arrangement Method case circuit breaker movable contact arm arrangement

1993-10-18

1994-11-22

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335147, 335195, H01H 7500

Patent

active

053672763

ABSTRACT:
A molded case circuit breaker movable contact arm electrically connects with the circuit breaker load terminal requiring only a small diameter auxiliary electrical braid conductor by pivotally arranging the contact arm within its support. The braid conductor is electrically connected with the movable contact arm and is contained within the contact arm support posts. The contact spring and the terminal screw retainer are formed from a single plate of spring steel. The contact arm support posts are capable of supporting movable contact arms of various thickness.

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patent: 4999464 (1991-03-01), Bellino et al.
patent: 5126708 (1992-06-01), Palais et al.
patent: 5217111 (1993-06-01), Castonguay et al.
U.S. Ser. No. 07,764,287 filed Sep. 23, 1991 to Bellino et al.

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