| 摘要 |
<p>A circuit breaker capable of performing stable opening/closing in normal opening/closing operation and trip operation and having an isolation function in case of contact fusion. When a handle (36) is moved to an open position in case of fusion of a fixed contact (22) of a fixed contactor (21) to a movable contact (24) of a movable contactor (23), a restricting member (41) engages with a handle arm (35) and a crossbar (26) to restrain the movement of the handle (36) to the open position.</p> |
