Circuit breaker having arc gas suppressing barrier on a movable

Details Circuit breaker having arc gas suppressing barrier on a movable Circuit breaker having arc gas suppressing barrier on a movable

1996-03-06

1998-03-03

Spyrou, Cassandra C.

High-voltage switches with arc preventing or extinguishing devic

Arc preventing or extinguishing devices

Contact structure

218 7, 218156, H01H 3314, H01H 930, H01H 3302

Patent

active

057238413

ABSTRACT:
A distribution circuit breaker for two circuits operated by a common handle, in which an arc gas generated in one circuit is prevented from flowing into the other circuit includes a breaking mechanism chamber (A) for a first circuit and another breaking mechanism chamber (B) for a second circuit are defined in a single circuit breaker case on each side of a partition (3a). Contact driving means (8) is forked at the lower end portion to have two fingers which are positioned on each side of the partition and to be spaced from each other, and movable contacts (10a,10b) are attached to the lower end portions of the fingers, respectively. An arc gas suppressing barrier is provided with respect to at least one movable contact.

REFERENCES:
patent: 4516002 (1985-05-01), Murata et al.
patent: 4635012 (1987-01-01), Kohanawa et al.
patent: 5361052 (1994-11-01), Ferullo et al.
patent: 5453723 (1995-09-01), Fello et al.

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