plug-in circuit-breaker

例句：

1. 1.The plug-in circuit-breaker is designed to protect the electrical system from overloads.
   这个插接式断路器的设计目的是保护电气系统免受过载。
2. 2.During power outages, the plug-in circuit-breaker helps maintain stable power supply.
   在停电期间，插接式断路器有助于保持稳定的电力供应。
3. 3. The plug-in circuit-breaker was installed in the main electrical panel to prevent potential fire hazards.
   插接式断路器被安装在主配电盘上，以防止潜在的火灾危险。