Snap action circuit breaker

Details Snap action circuit breaker Snap action circuit breaker

1977-08-19

1978-09-26

Ward, Jr., Robert S.

Electricity: circuit makers and breakers

Suspended-wire controlled

200293, 335 63, 335188, 335191, 335202, H01H 500, H01H 902

Patent

active

041172850

ABSTRACT:
Disclosed is a snap action circuit breaker with a compact one piece steel frame in a two part, telescoping molded circuit breaker case. The compact construction is combined with a symmetrical toggle actuator to provide a pleasing appearance suitable for mounting at readily accessible and visible locations on the front of an instrument panel. A variety of handle constructions are usable with the same basic mechanism. By providing a snap actuated contact construction with substantial overcurrent trip delay the device combines the best features of modern manual switches and circuit breakers so that it is in effect a manual switch with nuisance free over-current trip protection.

REFERENCES:
patent: 3497838 (1970-02-01), Merriken et al.
patent: 3626338 (1971-12-01), Nicol et al.
patent: 3749873 (1973-07-01), Harper et al.
patent: 3806848 (1974-04-01), Harper et al.
patent: 4062052 (1977-12-01), Harper et al.

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