Circuit breaker

Details Circuit breaker Circuit breaker

1976-05-27

1977-06-28

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

With bimetallic elements

335 21, 335 43, H01H 7324

Patent

active

040328759

ABSTRACT:
Circuit breaker having a trip arm which is released during tripping of the breaker under overcurrent conditions. One end of a contact opening arm is pivotally mounted on the trip arm. When the trip arm is released, the trip arm also contacts the other end of the contact opening arm forcing it against the contact carrier which supports the movable contact thereby opening the contacts.

REFERENCES:
patent: 2426680 (1947-09-01), Jackson et al.
patent: 2624815 (1953-01-01), Gano
patent: 2627564 (1953-02-01), Ericson
patent: 3089933 (1963-05-01), Locher
patent: 3200228 (1965-08-01), Locher
patent: 3244835 (1966-04-01), Locher

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