概述：

　　ZW20-12型在室(shi)內(nei)柱上超高壓(ya)(ya)(ya)力高壓(ya)(ya)(ya)力氣塑殼低壓(ya)(ya)(ya)斷(duan)路器(qi)為額定(ding)的(de)(de)(de)(de)(de)(de)工作(zuo)電(dian)(dian)(dian)壓(ya)(ya)(ya)12kV、三相四線制溝通交流50Hz的(de)(de)(de)(de)(de)(de)在室(shi)內(nei)超高壓(ya)(ya)(ya)力旋轉(zhuan)開關(guan)機(ji)械(xie)。重點使用(yong)(yong)在開斷(duan)、關(guan)合供用(yong)(yong)電(dian)(dian)(dian)機(ji)裝(zhuang)置(zhi)的(de)(de)(de)(de)(de)(de)負載電(dian)(dian)(dian)阻電(dian)(dian)(dian)壓(ya)(ya)(ya)電(dian)(dian)(dian)壓(ya)(ya)(ya)、電(dian)(dian)(dian)機(ji)負載電(dian)(dian)(dian)壓(ya)(ya)(ya)電(dian)(dian)(dian)壓(ya)(ya)(ya)及短路等問題(ti)電(dian)(dian)(dian)壓(ya)(ya)(ya)電(dian)(dian)(dian)壓(ya)(ya)(ya)。適使用(yong)(yong)在變配水電(dian)(dian)(dian)站、礦山設(she)備的(de)(de)(de)(de)(de)(de)企業及成鄉變電(dian)(dian)(dian)力部門(men)(men)(men)作(zuo)保護措(cuo)施(shi)和調(diao)(diao)整，專門(men)(men)(men)適使用(yong)(yong)在操作(zuo)步驟(zou)經常(chang)的(de)(de)(de)(de)(de)(de)的(de)(de)(de)(de)(de)(de)地點和城網(wang)電(dian)(dian)(dian)腦(nao)工控(kong)設(she)備變電(dian)(dian)(dian)力部門(men)(men)(men)絡(luo)。本(ben)品牌的(de)(de)(de)(de)(de)(de)與調(diao)(diao)整器(qi)生活(huo)配套，能(neng)考慮變電(dian)(dian)(dian)電(dian)(dian)(dian)腦(nao)工控(kong)設(she)備機(ji)裝(zhuang)置(zhi)的(de)(de)(de)(de)(de)(de)要求，并能(neng)穩定(ding)而(er)有(you)效率地完(wan)畢傳(chuan)統式的(de)(de)(de)(de)(de)(de)連接起來器(qi)作(zuo)用(yong)(yong)。它(ta)選用(yong)(yong)成長期的(de)(de)(de)(de)(de)(de)箱式密閉(bi)結(jie)構類型，內(nei)控(kong)充以SF6有(you)機(ji)廢氣氣體，有(you)很好的(de)(de)(de)(de)(de)(de)密閉(bi)性，使之中受外面環(huan)鏡會影響，有(you)的(de)(de)(de)(de)(de)(de)是種(zhong)免維護保養品牌的(de)(de)(de)(de)(de)(de)。其(qi)壓(ya)(ya)(ya)簧(huang)操驅動(dong)力構選用(yong)(yong)直動(dong)皮帶盤主機(ji)械(xie)傳(chuan)動(dong)和多級別脫(tuo)扣機(ji)裝(zhuang)置(zhi)，動(dong)作(zuo)圖(tu)片穩定(ding)高朝，是柱上塑殼低壓(ya)(ya)(ya)斷(duan)路器(qi)的(de)(de)(de)(de)(de)(de)上品。

正常使用條件：

◆海拔程度程度不已超3000m；

◆外圍熱空氣體(ti)溫臨界(jie)點不超出40℃，臨界(jie)點不超出-40℃，日平均溫度25℃；

◆風速不高出700Pa；

◆污穢(hui)中等(deng)級：IV級；

◆覆冰(bing)板材厚(hou)度100mm；

◆重新(xin)安裝(zhuang)活動場合：無可燃、爆炸事件有風險性(xing)、物理(li)化學防腐(fu)蝕的(de)活動場合；

◆自然(ran)災害(hai)列度(du)不多于8度(du)。

型號含義：

主要技術參數：

外形及安裝尺寸：