电源避雷器包括电源防雷模块、电源防雷箱、电源防雷插座等。电源避雷器是防止雷电和其他内部过电压侵入设备造成损坏，从室外防雷与线路防雷相结合的综合防雷方案，介绍了外部避雷和内部避雷、保护区、防雷等电位连接等概念。
Power arrester includes power lightning protection module, power lightning protection box, power lightning protection socket, etc. Power surge arrester is a comprehensive lightning protection scheme which combines outdoor lightning protection with line lightning protection. The concepts of external lightning protection and internal lightning protection, protection area and lightning protection equipotential connection are introduced.
分析了电源防雷工作器原理。采用电源避雷器能在最短时间内释放电路上因雷击感应而产生的大量脉冲能量短路泄放到大地，降低设备各接口间的电位差，从而保护电路上的设备。
The principle of lightning protection working device for power supply is analyzed. The power surge arrester can release a large amount of impulse energy generated by lightning induction into the earth in the shortest time, reduce the potential difference between the interfaces of the equipment, and protect the equipment on the circuit.