double-break circuit-breaker

例句：

1. 1.The double-break circuit-breaker is used to protect the electrical system from overloads.
   双断式断路器用于保护电气系统免受过载。
2. 2. The double-break circuit-breaker is an essential safety device in power systems.
   双断式断路器是电力系统中必不可少的安全装置。
3. 3. When the double-break circuit-breaker trips, it automatically shuts off the power to prevent further damage.
   当双断式断路器跳闸时，它会自动切断电源以防止进一步损坏。