Circuit breaker

Details Circuit breaker Circuit breaker

1989-03-28

1990-07-31

Picard, Leo P.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335147, 335195, H01H 7500

Patent

active

049453262

ABSTRACT:
A compact, high capacity circuit breaker includes two breaking portions mounted in a single casing, with movable contacts for each portion disposed in series with one another and supported by a common switching shaft. Both portions of the breaker are tripped by either an overcurrent condition or manual operation, and the positioning of the common switching shaft maintains both breaking portions in the open state.

REFERENCES:
patent: 3562680 (1971-02-01), Ryojiozaki et al.
patent: 3815059 (1974-06-01), Spoelman
patent: 3953811 (1976-04-01), Mostosi
patent: 4417223 (1983-11-01), Bancalari
patent: 4458224 (1984-07-01), Kralik et al.

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