| 摘要 |
PROBLEM TO BE SOLVED: To maintain the tripped state of a breaker in motion for an automatic operation by electrical interlock and mechanical interlock, avoid faults such as sparking caused by a misoperation during the motion of the breaker and improve safety. SOLUTION: A push-up rod 56 which is provided so as to be able to move vertically and turns a linking lever 41, which trips a breaker 4 clockwise by its upward motion, a roller 59 provided on the lower end of the push-up rod 56 and a tripping plate 53 which is placed in parallel with the long hole 7 of an interlock plate 6 on the side of the long hole 7, has inclined planes 54 on both its end parts and is brought into contact with the roller 59 between the contact hole 8 and breaking hole 9 of the long hole 7 for moving the push-up rod 56 upwards are provided. |
