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器(qi)四川(chuan)曙辰電(dian)(dian)氣(qi)設備有限公司生產(chan)的(de)ZW20F-12/630A戶(hu)(hu)外分界真空(kong)斷路(lu)(lu)器(qi)為額定電(dian)(dian)壓(ya)(ya)12KV，三(san)相交流50Hz的(de)戶(hu)(hu)外配(pei)電(dian)(dian)設備，是一款用戶(hu)(hu)分界開關(guan)。主要由ZW20-12型(xing)真空(kong)斷路(lu)(lu)器(qi)本體，故(gu)障(zhang)檢測控(kong)制器(qi)及外置電(dian)(dian)壓(ya)(ya)互感器(qi)三(san)大部分組成，三(san)者通(tong)過(guo)航空(kong)插(cha)座及戶(hu)(hu)外密封控(kong)制電(dian)(dian)纜進(jin)行電(dian)(dian)氣(qi)連接，具有故(gu)障(zhang)檢測功(gong)能，保護控(kong)制功(gong)能及通(tong)訊功(gong)能，能可(ke)靠(kao)判斷，檢測界內與(yu)界外毫安級零序(xu)電(dian)(dian)
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