Residual current device

Details Residual current device Residual current device

H - Electricity

02

H

H02H 3/33 (2006.01)

Patent

CA 2300063

A fault-current protective switchgear has a first fault-current circuit- breaker (2) with a delayed circuit-breaking reaction for alternating and pulsed fault-current and a second fault-current circuit breaker (10) for direct fault-current, both circuit-breakers being connected in parallel to a control line (18) of a circuit-breaker (8) for a switch. First means (26) are provided for electronically disconnecting the first fault-current circuit- breaker (2) from the control line (18).

L'invention concerne un dispositif de protection pour courant de fuite, contenant un premier circuit de déclenchement de courant de fuite (2) à libération temporisée pour courant de fuite pulsé et alternatif, ainsi qu'un second circuit de déclenchement de courant de fuite (10) pour courant de fuite continu, connectés parallèlement l'un à l'autre à une ligne de commande (18) d'un déclencheur (8) pour interrupteur (22). De premiers éléments (26) sont prévus pour découpler électroniquement le premier circuit de déclenchement de courant de fuite (2) de la ligne de commande (18).

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