| 摘要 |
<p>The purpose of the present invention is to provide: a circuit breaker capable of efficiently performing a shutoff operation; and a circuit breaker operating method. The circuit breaker is characterized by comprising: a stationary contact; a movable contact that comes into contact with or opens with respect to the stationary contact; a main circuit conductor that is electrically connected to the stationary contact and the movable contact; a movable element configured so as to couple permanent magnets or magnetic bodies in the axis of motion of the movable contact, while alternately reversing the north pole and south pole; an actuator that is positioned so as to face the north pole and south pole of the movable element, and has magnetic poles with windings; a current detector that detects the current flowing through the main circuit conductor; and a control mechanism that alters the amount of current supplied to the windings of the magnetic poles in response to the current value detected by the current detector.</p> |
