| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a circuit breaker continuously usable. <P>SOLUTION: A circuit breaker comprises a ground disconnecting part movable conductor 14 having spring contact points 15A, 15B, a stationary electrode 11 contacting the spring contact points 15A, 15B, and an insulation rod 25 connected to an operation unit and transmitting a driving force of the operation unit to the ground disconnecting part movable conductor 14, and the ground disconnecting part movable conductor 14 moves linearly around the insulation rod 25 together with rotation of the insulation rod 25. A metallic screw part 17 is connected to the insulation rod 25, the ground disconnecting part movable conductor 14 has a metallic screw part 16 fitted with the metallic screw part 17, and the screw part 17 connected to the insulating rod 25 is positioned inside the ground disconnecting part movable conductor 14. <P>COPYRIGHT: (C)2012,JPO&INPIT |
