国产大爆乳大爆乳在线播放_成人欧美一区二区三区黑人网_www片香蕉内射在线88av8_熟女少妇亚洲综合影色_男女后进式猛烈XX00动态图片_免费看美女扒开屁股露出奶_国产精品无码va在线播放_av激情亚洲男人的天堂国语_中文字幕人成乱码熟女免费69_国产免费网站看v片在线

ZW32-12F Outdoor high-voltage AC dividing vacuum circuit breaker

Medium voltage components   

ZW32-12F type outdoor high-voltage AC dividing circuit breaker is a new intelligent product developed in ZW32-12, consisting of three major parts: vacuum circuit breaker body, intelligent controller and external voltage transformer, the product is suitable for use in 10kV city network and agricultural network overhead ring network lines as sectional isolation switch and contact switch, which can realize automatic switching device for load deployment in ring network lines, and in large users The product is suitable for use as a sectional disconnector and contact switch in overhead ring network lines of 10kV urban and agricultural networks, and as an automatic switching device for load deployment of ring network lines, and as a demarcation switch (commonly known as "open-door dog") in branch lines of large users. The boundary breaker has protection and control functions and can reliably judge and detect the zero sequence current in the boundary to automatically remove single-phase earth faults and phase-to-phase short-circuit faults.