Circuit breaker with blow open latch

Details Circuit breaker with blow open latch Circuit breaker with blow open latch

1985-10-01

1987-01-20

Goldberg, E. A.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Contact-actuating means

335 16, 335194, 335198, 335200, 200147R, H01H 300

Patent

active

046382771

ABSTRACT:
An electric circuit breaker with blow open contact arm characterized by a pair of separable contacts one of which is mounted on a contact arm that is rotatably mounted on mounting bracket. The contacts maintain a repulsion magnetic force which operates to separate the contacts when a predetermined current overload occurs. A trip mechanism is connected to the mounting bracket or automatic opening of the contacts in response to a predetermined current overload condition. The contact arm comprising a cam and the mounting bracket comprising a cooperable cam follower whereby the contact arm is movable to an open contact independently of the mounting bracket.

REFERENCES:
patent: 3436710 (1969-04-01), Stokes
patent: 3564184 (1971-02-01), Gauthier
patent: 4480242 (1984-10-01), Castonguay
patent: 4553119 (1985-11-01), Castonguay

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