国产鸡情在线观看_日韩AV无码久久精品免费四虎_国产高清在线精品一区αpp_国产成人精品三级在线_久久综合中文字幕网_小荡货奶真大水多好紧视频_午夜福利一区毛片综合_亚洲欧美日韩中在线_国产麻豆黄色色免费_国产乱子伦普通话对白

Application

CK3 type AC high voltage vacuum contactor?is operated in the current system of AC50Hz, rated?working voltage of main circuit up to 1140V, rated?current up to 600A, used to remotely to make or?break or frequently start and control AC motor. It?can also be cooperated with various protective?devices to form magnetic starter, the arc will not?be exposed, specially it can be used to construct?as explosion proof magnetic starter, suitable for?coal or petroleum field.