Circuit breaker with blow open latch

Details Circuit breaker with blow open latch Circuit breaker with blow open latch

H - Electricity

01

H

306/74

H01H 71/24 (2006.01) H01H 77/06 (2006.01) H01H 77/10 (2006.01)

Patent

CA 1251497

ABSTRACT OF THE DISCLOSURE An electric circuit breaker with blow open contact arm characterized by a pair of separable contacts an of which is mounted on a contact arm that is rotatably mounted on mounting means. The contacts maintain a repul- sion magnetic force which operates to separate the contacts when a predetermined current overload occurs. A trip mechanism is connected to the mounting means or automatic opening of the contacts in response to a predetermined current overload condition. The contact arm comprising a cam and the mounting means comprising a cooperable cam follower whereby the contact arm is movable to an open contact independently of the mounting means.

517559

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