| 摘要 |
PROBLEM TO BE SOLVED: To provide a circuit breaker equipped with a switching display mechanism part capable of surely viewing from outside whether a movable contact is switched whatever the state of a handle is among an on, off and top states. SOLUTION: The switching display mechanism part 8 for displaying a switching state of a movable contactor 6 from a displaying hole fitted to a cover is held by a side plate part 21 of a frame 2 with a link mechanism part 4 arranged. COPYRIGHT: (C)2006,JPO&NCIPI
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