久草视频在线资源站-97久久精品国产-浴室高潮理伦片-人综合久合合-人人干人人模-黄色一级一区二区三区-超碰亚洲天堂-快色视频-午夜免费1000-好吊的妞视频这里都有-中文字幕,精品一区

Green Erengy Green Future

Green Erengy Green Future

Home > Products > 3 cases of class Wire Cables Medium voltage switch Low voltage switch Cooperation brand medium voltage unit Power transformer YBM 3 cases of class Surge arrester Electricity meter box Water pump

XL Low-voltage switchgear

Product type:3 cases of class

XL Low-voltage switchgear     Three boxes     

For power distribution and lighting distribution in three-phase four-wire power systems with AC frequency of 50Hz, rated operating voltage and rated insulation voltage of 380V, 690V and rated operating current up to 1250A in industrial and civil buildings. To provide protection against overload, short circuit and leakage in the line and to transform the circuit downstream.