| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a circuit breaker which incorporates an isolation mechanism without forming a large hole in a frame which hinders downsizing of a mechanism part. <P>SOLUTION: The circuit breaker incorporates, inside a frame 6, a handle lever 7, a cradle 13, a first link 16 and a second link 19, via which links it moves a movable contactor 4 to make or break contacts. A foot plate part 9 of the handle lever 7 is positioned inside a side plate part 8 of the frame 6, and a stopper 23 is protrusively formed inside the foot plate part 9 of the handle lever 7, on which abuts a connection pin 20 with the first link 16 and the second link 19 when an attempt is made to move the handle lever 7 in a break (off) direction while the contacts are adhered. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
