In a hybrid DC electromagnetic contactor, by including a power unit for supplying a certain power voltage; a main contact point of a breaking switch for providing a supply path of the power voltage by being switched in accordance with a voltage apply to an operational coil; a switch for providing a supply...http://www.google.fr/patents/US20030193770?utm_source=gb-gplus-shareBrevet US20030193770 - Hybrid DC electromagnetic contactor
Numéro de demande: 10/404,061 Numéro de publication: US 2003/0193770 A1 Date de dépôt: 2 avr. 2003 Brevet délivré: US7079363 ( Date de délivrance 18 juil. 2006)
