phase controlled circuit breaker

例句：

1. 1.The phase controlled circuit breaker is used to protect the electrical system from overloads.
   相位控制断路器用于保护电气系统免受过载。
2. 2.The phase controlled circuit breaker was designed to prevent power outages during storms.
   相位控制断路器被设计成在暴风雨期间防止停电。
3. 3. The phase controlled circuit breaker ensures that the power supply remains stable during power failures.
   相位控制断路器确保在电力故障期间电源供应保持稳定。