Circuit breaker fitted with a device for indicating a short circ

Details Circuit breaker fitted with a device for indicating a short circ Circuit breaker fitted with a device for indicating a short circ

1980-03-19

1983-02-22

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200144R, 200308, H01H 3326, H01H 3354

Patent

active

043750222

ABSTRACT:
A circuit breaker or cut out provided with a short-circuit indicating device and comprising, for each pole, separable contacts disposed inside a breaking chamber in which an electric arc develops when the contacts become separated. The said short-circuit indicating device is actuated by the gas pressure waves generated by the electric arc in the breaking chambers.

REFERENCES:
patent: 2925484 (1960-02-01), Thommen
patent: 2981817 (1961-04-01), Frentzel
patent: 3605047 (1971-09-01), Kasahara
patent: 3852556 (1974-12-01), Kane et al.
patent: 4016521 (1977-04-01), Seybold

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