| 摘要 |
A simultaneous driving device for a circuit breaker is provided to improve an opening speed by operating a fixed arc contact into an opposite direction of a driving direction of a movable contact through a simultaneous driving member. A fixed arc contact(11) is installed in a fixed contactor(10) in order to be projected and retracted toward a movable arc contactor(21). A simultaneous driving member(200) improves an opening speed and a contact speed by operating the fixed arc contactor into an opposite direction of a driving direction of a movable contactor in switching a movable contactor(20). The simultaneous driving member includes a delivering lever(210), a switching lever(220), and an operating lever(230). The delivering lever delivers a switching operation of the movable contactor. The switching lever switches the operation delivered from the delivering lever into an opposite operation. The operating lever delivers the opposite operation switched by the switching lever to the movable arc contactor.
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