高清一区二区三区精品|亚洲欧美日韩中文字幕在线不卡|又黄又爽又硬又爽又硬A片|亚洲性爱日韩无码视频

021-51060669
產品中心
Air Circuit Breaker ZW1 series ACB

97午夜理论片在线影院-国产一级特黄牲交高潮

高清一区二区三区精品|亚洲欧美日韩中文字幕在线不卡|又黄又爽又硬又爽又硬A片|亚洲性爱日韩无码视频

 ZW1 series intelligent ACB is applied in the distribution network of AC50Hz, 400V or 690V for the electric energy distribution, line protection and protecting the power equipment against the danger caused by the failure of overload, short-circuit, under-voltage, or singlephase grounding with great and selective intelligent protective functions so as to avoid unnecessary power-off and raise both the safety and reliability of the electricity network in operation.