| 摘要 |
PROBLEM TO BE SOLVED: To provide a disconnection mechanism which can block an excitation current, or the like, without having to install a cutout switch, or the like. SOLUTION: A movable arc contactor 22, which is purposed for blocking a current is arranged in addition to a main contactor 12 which is purposed for carrying a current. After the main contactor 12 is disconnected at the operation of the disconnection, the movable arc contactor 22 is disconnected from a fixed arc contactor 16 by an accumulation energization force of a twisted coil spring 23. COPYRIGHT: (C)2011,JPO&INPIT |
