Shunt effect low-voltage circuit-breaker

Details Shunt effect low-voltage circuit-breaker Shunt effect low-voltage circuit-breaker

H - Electricity

01

H

348/1, 309/93

H01H 71/00 (2006.01) H01H 79/00 (2006.01) H01H 9/46 (2006.01) H01H 89/06 (2006.01)

Patent

CA 1252192

ABSTRACT OF THE DISCLOSURE: A circuit breaker, notably breaking the phase and neutral circuit, contains a shunt circuit, constituted by a switching electrode disposed in proximity to the phase contacts to pick up an arc drawn between these contacts, when opening occurs on a short-circuit. Transferring the arc onto the switching electrode closes a shunt circuit, creating an internal short-circuit protecting the cables and receivers downstream from the circuit breaker. The shunt circuit is broken when the arc is blown out in the arc chute. Fast shifting of the arc protects the contact surfaces, notably of the neutral contacts, enabling these contacts to be used for an impulse relay or remote-controled contactor function.

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