Circuit breaker with arm latch for high interrupting capacity

Details Circuit breaker with arm latch for high interrupting capacity Circuit breaker with arm latch for high interrupting capacity

1985-05-01

1987-01-06

Gellner, Michael L.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

H01H 7500

Patent

active

046350110

ABSTRACT:
An electric circuit breaker with high interrupting capacity characterized by a multi-phase circuit breaker including a crossbar rotatable on its longitudinal axis and having an enlarged portion; a contact carrying arm pivotally mounted on the enlarged portion in response to an overload current at a positions paced from the axis; and a spring biased retainer contacting the arm for yieldingly retaining the arm in a contact closed position below a predetermined current rating.

REFERENCES:
patent: 4503408 (1985-03-01), Mrenna et al.
patent: 4540961 (1985-09-01), Maier

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