lockout switch

例句：

1. 1.The lockout switch is used to prevent the machine from operating when it's not in use.
   锁闭开关用于在机器不使用时防止其运行。
2. 2. The engineer had to replace the lockout switch after a sudden power outage.
   工程师在一次突然的停电后不得不更换了锁闭开关。
3. 3.The technician quickly identified the fault and replaced the lockout switch, ensuring safe operation of the machinery.
   技术员迅速诊断出故障并更换了锁闭开关，确保了机械设备的安全运行。