A mechanical interlock is fitted ______ .
A、totakethebreakingloadwhenthecircuitbreakerisbeingwithdrawn
B、toputthecircuitbreaker,beforebeingwithdrawn,intheopenposition
C、toputthecircuitbreaker,beforebeingwithdrawn,inthemidposition
D、totakethebreakingloadwhenthecontactsjointhecircuitbreakertothebus-bars
发布时间:2025-06-21 04:56:37