lead limit switch

例句：

1. 1. The lead limitswitch is used to control the speed ofthe motor.
   限位开关用于控制电机的速度。
2. 2.The lead limit switch is a safety devicethat prevents the machine from overloading.
   限位开关是一种安全装置，防止机器过载。
3. 3. The lead limit switch is animportant component of the circuit breaker system.
   限位开关是电路断路器系统的一个重要组成部分。