Molded case circuit breaker movable contact arm mounting arrange

Details Molded case circuit breaker movable contact arm mounting arrange Molded case circuit breaker movable contact arm mounting arrange

1991-01-18

1992-03-03

Luebke, Renee S.

Electricity: circuit makers and breakers

Electric switch details

Contact

200401, 29622, H01H 902

Patent

active

050935445

ABSTRACT:
A molded case circuit breaker having a pair of movable contact arms arranged within each pole of a multi-pole arrangement utilizes a shunt clip between the movable contact arms to insure electrical continuity between the contact arms and the contact arm support base. The movable contact arms and the support base are both accurately positioned within the circuit breaker case by means of an interference-fit between the outside edges of the support base and the interior sidewall surfaces of the circuit breaker case.

REFERENCES:
patent: 4086460 (1978-04-01), Gillette
patent: 4230919 (1980-10-01), Schantz et al.
patent: 4245203 (1981-01-01), Wafer et al.
patent: 4573259 (1986-03-01), Seymour et al.
patent: 4637131 (1987-01-01), Ochsner
patent: 4731921 (1988-03-01), Ciarcia et al.
patent: 4733033 (1988-03-01), Morris et al.
patent: 4965418 (1990-10-01), Arnold et al.
Ser. No. 330,521 entitled "Molded Case Circuit Breaker Movable Contact Arm Arrangement", filed 3/30/89, Seymour et al.

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