公开(公告)号：US3783208A

公开(公告)日：1974-01-01

申请号：US3783208D

申请日：1972-07-17

Applicant: WESTINGHOUSE ELECTRIC CORP

Inventor： DAVIES N ,  WOBRAK R

IPC: H02B11/133 ,  H01H9/24 ,  H01H33/50

CPC classification number: H02B11/133

Abstract: Metal-enclosed switchgear comprising improved safety interlock means for preventing withdrawal or insertion of a circuit interrupter, or charging of the overcenter spring means, under certain conditions.

Abstract translation: 金属封闭开关装置，包括改进的安全互锁装置，用于在某些条件下防止电路断路器的取出或插入，或充电过中心弹簧装置。