Fuse isolator - actuator

Details Fuse isolator - actuator Fuse isolator - actuator

H - Electricity

01

H

306/118, 306/58

H01H 77/00 (2006.01) H01H 85/143 (2006.01) H01H 85/42 (2006.01) H01H 9/10 (2006.01)

Patent

CA 2020458

ABSTRACT OF THE INVENTION The invention provides an isolating fusible link, in series with a transformer primary circuit breaker device, for producing an isolating gap after an occurrence of a primary fault condition. More particularly, the invention provides an apparatus comprising a power transformer primary circuit breaker device adapted to be electrically connected in a circuit and including a first contact, and a second contact movable out of engagement with the first contact to open the circuit and movable into engagement with the first contact to close the circuit; and a fuse device including a fusible link connected in electrical series with the breaker device, and adapted to fuse upon an overcurrent condition in the circuit, and structure for moving and maintaining the second contact out of engagement with the first contact in response to fusing of the fusible link.

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