reverse-current breaker

例句：

1. 1. Thereverse-current breaker is used toprotect electrical equipment from overheating.
   逆电流断路器用于保护电气设备免受过热损害。
2. 2.In the event of a power outage, the reverse-current breaker willautomatically switch off the mains.
   在停电情况下，逆电流断路器会自动切断主电源。
3. 3.The engineers carefully inspected the reverse-current breaker before installing it inthe new circuit.
   工程师们在安装新电路之前仔细检查了逆电流断路器。