low voltage switch

例句：

1. 1.The low voltage switch is used to protect electrical equipment from overheating.
   低压开关用于保护电气设备免受过热。
2. 2. The low voltage switch is designed to prevent short circuits in the power grid.
   低压开关设计用来防止电网中的短路。
3. 3.The low voltage switch is crucial for maintaining the stability of the electrical system.
   低压开关对于维护电力系统的稳定性至关重要。