Heavy duty automatic circuit breaker

Details Heavy duty automatic circuit breaker Heavy duty automatic circuit breaker

1975-05-08

1977-01-04

Broome, Harold

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

With arc-suppression or extinguishing means

200144R, H01H 930

Patent

active

040017435

ABSTRACT:
The present heavy duty automatic circuit breaker is compact in construction, since all elements are coordinated to each other in an efficient manner. Thus, an upper arc guide plate of a quenching stack is extended to form the stationary contact member. The movable contact member is a single arm pivot contact arranged directly in front of said quenching stack. A lower arc guide plate of the quenching stack is extended and electrically connected to the movable contact member. The circuit breaker includes means for either manual or automatic circuit breaking, the latter in response to overload and/or excess temperature conditions.

REFERENCES:
patent: 2656432 (1953-10-01), Gano et al.
patent: 3691489 (1972-09-01), Knirsch et al.
patent: 3790911 (1974-02-01), Kick et al.

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