Switching apparatus protected against short-circuit currents

H - Electricity – 01 – H

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H01H 71/68 (2006.01) H01H 89/06 (2006.01) H02H 7/22 (2006.01) H01H 9/32 (2006.01) H01H 9/46 (2006.01)

Patent

CA 1249621

PRECIS DE DIVULGATION Appareil contacteur protégé contre les courants de court- circuit. Cet appareil comprend pour chaque phase entre des bornes d'entrée et de sortie un interrupteur de contacteur et un interrupteur de protection à ouverture automatique, une électrode de transfert étant placée au voisinage des contacts de ce second interrupteur pour dériver dans un circuit parallè- le une fraction importante des courants de défaut. Cet appareil est avantageusement utilisé pour opérer la protection des lignes et celle des contacts du contacteur.

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