概述：

　　ZW20-12型在(zai)(zai)室外柱上高(gao)的(de)(de)(de)電(dian)(dian)壓(ya)負(fu)(fu)壓(ya)漏(lou)電(dian)(dian)低壓(ya)斷(duan)(duan)路器為穩定的(de)(de)(de)電(dian)(dian)壓(ya)12kV、三相電(dian)(dian)座談(tan)會(hui)50Hz的(de)(de)(de)在(zai)(zai)室外高(gao)的(de)(de)(de)電(dian)(dian)壓(ya)按鈕開關裝備(bei)(bei)。通常使(shi)(shi)用(yong)(yong)(yong)在(zai)(zai)開斷(duan)(duan)、關合供(gong)電(dian)(dian)局(ju)程(cheng)(cheng)序(xu)的(de)(de)(de)負(fu)(fu)債(zhai)功(gong)率(lv)、電(dian)(dian)機(ji)負(fu)(fu)載功(gong)率(lv)及發(fa)生故障功(gong)率(lv)。適使(shi)(shi)用(yong)(yong)(yong)在(zai)(zai)變(bian)配水電(dian)(dian)站、工礦區單位及城鄉(xiang)一體化(hua)(hua)供(gong)變(bian)電(dian)(dian)力(li)網(wang)作保護和把控(kong)(kong)好，尤其是(shi)(shi)適使(shi)(shi)用(yong)(yong)(yong)在(zai)(zai)的(de)(de)(de)操(cao)作過(guo)多(duo)的(de)(de)(de)場地(di)(di)和城網(wang)半自動(dong)(dong)(dong)式化(hua)(hua)技(ji)術供(gong)變(bian)電(dian)(dian)力(li)網(wang)洛。本設備(bei)(bei)與把控(kong)(kong)好器設備(bei)(bei)配套，能(neng)需求供(gong)變(bian)電(dian)(dian)半自動(dong)(dong)(dong)式化(hua)(hua)技(ji)術程(cheng)(cheng)序(xu)規范要求，并能(neng)可(ke)信度而有效地(di)(di)地(di)(di)成(cheng)功(gong)完成(cheng)傳統性的(de)(de)(de)相交器功(gong)能(neng)模塊。它應用(yong)(yong)(yong)穩重的(de)(de)(de)箱式隔絕(jue)格局(ju)，里面充以SF6有機(ji)廢氣(qi)氣(qi)體，兼具優秀的(de)(de)(de)隔絕(jue)使(shi)(shi)用(yong)(yong)(yong)性能(neng)，使(shi)(shi)之不(bu)易對外部工作環境損(sun)害，就是(shi)(shi)種免維修設備(bei)(bei)。其氣(qi)彈簧操(cao)驅力(li)構(gou)應用(yong)(yong)(yong)直動(dong)(dong)(dong)鏈主傳動(dong)(dong)(dong)鏈和多(duo)用(yong)(yong)(yong)脫扣程(cheng)(cheng)序(xu)，拉(la)伸動(dong)(dong)(dong)作可(ke)信度高(gao)，是(shi)(shi)柱上漏(lou)電(dian)(dian)低壓(ya)斷(duan)(duan)路器的(de)(de)(de)妙品。

正常使用條件：

◆海潑(po)髙度不可超過(guo)3000m；

◆附進水汽溫最大值不(bu)超出40℃，底線不(bu)超出-40℃，日(ri)氣溫差異25℃；

◆傳熱系數不(bu)超過了700Pa；

◆污(wu)穢會員等級：IV級；

◆覆冰板材厚度(du)100mm；

◆的安裝場(chang)地(di)：無可燃性(xing)、容(rong)易引起爆炸有風險(xian)性(xing)、化學上耐腐(fu)蝕的場(chang)地(di)；

◆泥石流(liu)列度不(bu)不(bu)超8度。

型號含義：

主要技術參數：

外形及安裝尺寸：