Circuit breaker mounted within an explosion-proof enclosure

Details Circuit breaker mounted within an explosion-proof enclosure Circuit breaker mounted within an explosion-proof enclosure

1977-04-25

1977-12-27

Grimley, Arthur T.

Electricity: circuit makers and breakers

Electric switch details

Cases and bases

200306, H01H 904

Patent

active

040656535

ABSTRACT:
An improved circuit breaker is mounted within an explosion-proof enclosure. The circuit breaker has an insulated case and a manually operable handle extending from one surface of the case. Also provided are means which are operable externally of the enclosure for moving the handle of the circuit breaker between an on and an off position. The circuit breaker further includes means located on opposite sides of the handle for preventing exploding gases within the explosion-proof enclosure from shattering the case of the circuit breaker.

REFERENCES:
patent: 2925484 (1960-02-01), Thommen
patent: 3155803 (1964-11-01), Klein et al.
patent: 3171927 (1965-03-01), Klein et al.
patent: 3264435 (1966-08-01), Klein et al.

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