Miniature reverse loop current limiting circuit breaker

Details Miniature reverse loop current limiting circuit breaker Miniature reverse loop current limiting circuit breaker

H - Electricity

01

H

H01H 73/18 (2006.01) H01H 1/54 (2006.01) H01H 5/00 (2006.01) H01H 71/52 (2006.01) H01H 77/10 (2006.01) H01H 71/74 (2006.01)

Patent

CA 2088473

56, 795 ABSTRACT OF THE DISCLOSURE A circuit breaker having a housing, fixed and movable contacts respectively supported by a fixed contact support structure and a movable contact arm, a trip mechanism, and an operating mechanism which is releasably engageable with the trip mechanism. The operating mechanism includes a pivotable operating member and a tension spring. The fixed contact support structure includes a contact supporting leg portion. The movable contact arm has a contact supporting side, and an opposite spring supporting side. The tension spring links the pivotable operating member and the spring supporting side of the movable contact arm. The contact supporting leg portion of the fixed contact support structure and the movable contact arm are disposed in closely spaced relation when the fixed and movable contacts are in engagement, to provide a reverse current loop which magnetically assists in rapid contact separation.

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