Circuit breaker with low voltage contact structure

Details Circuit breaker with low voltage contact structure Circuit breaker with low voltage contact structure

1988-10-21

1990-11-06

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

H01H 3312

Patent

active

049688596

ABSTRACT:
A circuit breaker characterized by first and second main contacts and first and second arcing contacts. The first main and arcing contacts are mounted on a first contact carrying arm. The second arcing contacts are mounted on a second contact carrying arm. The second main contacts are mounted on a third contact arm. The first contact carrying arm is mounted on a first pivot and the second and third contact carrying arms are mounted on a second pivot. A spring for biasing the second main contact against the first main contact and in the closed position. A second spring for biasing the second arcing contact against the first arcing contact until after the first and second main contact separate.

REFERENCES:
patent: 2514839 (1950-07-01), Caswell
patent: 2545341 (1951-03-01), Caswell
patent: 2959654 (1960-11-01), Caswell et al.
patent: 3238339 (1966-03-01), Fehling

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