中文字幕久久人妻97_免费一级美国欧美视频_欧美日本国产人妖综合视频_国产黄片无马赛克在线观看

 Composite jacket metal zinc oxide lightning arrester

0.22kV-110kV lightning arrester series    

Lightning arrester is a protection apparatus that can release lightning overvoltage, power system operating overvoltage energy, protect electrical equipment from transient overvoltage hazards, and can intercept the continuous current, not to cause the system grounding short circuit electrical devices. Used to protect power system transmission and transformation equipment (such as transformers, capacitors, generators, motors, etc.).