Circuit breaker with an incorporated varistor

Details Circuit breaker with an incorporated varistor Circuit breaker with an incorporated varistor

1991-04-29

1992-11-17

Scott, J. R.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200148A, H01H 3316

Patent

active

051645599

ABSTRACT:
An SF.sub.6 circuit breaker having a varistor incorporated in line with its interrupting chamber in which insertion of the varistor on opening and closing is performed by coaxial translation of two electrodes outside and around the main contacts.

REFERENCES:
patent: 3912974 (1975-10-01), Hill
patent: 4204101 (1980-05-01), Dethlefsen
patent: 4293749 (1981-10-01), Kishi et al.
patent: 4338500 (1982-07-01), Pham Van et al.
patent: 4421962 (1983-12-01), Thuries et al.
patent: 4439651 (1984-03-01), Thuries et al.
patent: 4608470 (1986-08-01), Bischofberger et al.
patent: 4831487 (1989-05-01), Ruoss

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