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

ZW32-12/M Outdoor high-voltage AC permanent magnetic vacuum circuit breaker              Medium voltage components    

"ZW32-12/M630-20 outdoor high-voltage AC permanent magnetic vacuum circuit breaker is a three-phase AC 50Hz, rated voltage 12kV outdoor high-voltage switchgear, mainly used in the distribution system of city network, agricultural network, transformer station and industrial and mining enterprises, as a division, closing load current, overload current and short-circuit current. Due to the special performance of the vacuum circuit breaker, it is especially suitable for frequent operation and oil-free transformation. 

The product adopts a permanent magnetic operating mechanism, which forms a good match with the vacuum interrupter chamber, making the closing and dividing action stable and reliable; together with various intelligent control units, it can realise control, protection, measurement and communication functions."