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器四川(chuan)曙辰電氣設備(bei)有(you)限公(gong)司生(sheng)產的(de)ZW20F-12/630A戶(hu)外(wai)分(fen)(fen)(fen)界真空(kong)斷路器為額定(ding)電壓(ya)12KV，三(san)(san)(san)相交流50Hz的(de)戶(hu)外(wai)配電設備(bei)，是一款用(yong)戶(hu)分(fen)(fen)(fen)界開關。主(zhu)要由ZW20-12型真空(kong)斷路器本體，故(gu)(gu)障檢測(ce)控(kong)(kong)(kong)制(zhi)器及外(wai)置電壓(ya)互感器三(san)(san)(san)大部分(fen)(fen)(fen)組成(cheng)，三(san)(san)(san)者通過(guo)航空(kong)插座及戶(hu)外(wai)密封控(kong)(kong)(kong)制(zhi)電纜(lan)進(jin)行電氣連接(jie)，具有(you)故(gu)(gu)障檢測(ce)功(gong)(gong)能，保護控(kong)(kong)(kong)制(zhi)功(gong)(gong)能及通訊功(gong)(gong)能，能可靠判斷，檢測(ce)界內與界外(wai)毫安級(ji)零序電