亚洲日本在线视频观看I国产高清久久久久I日本论理电影I国产亚洲精品久久久久久I日韩一二三I国内久久久久I午夜av网站I日韩精品免费在线观看

 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.).