Solid-state trip device of a molded case circuit breaker

Details Solid-state trip device of a molded case circuit breaker Solid-state trip device of a molded case circuit breaker

H - Electricity

02

H

348/26, 348/39,

H02H 3/08 (2006.01) H02H 1/00 (2006.01) H02H 3/093 (2006.01)

Patent

CA 1310100

12 ABSTRACT A solid-state trip device comprises an instantaneous trip device formed by arc detectors 46R, 46S, 46T located in proximity to the main contacts 17R, 17S, 17T of the circuit breaker 10. The light signals emitted by the arc detectors 46R, 46S, 46T are transmitted by optic fibers 48 to a light-sensitive electronic component which emits an arcing signal. This arcing signal causes tripping of the circuit breaker 10 only if a fault signal is present.

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