概述：

　　ZW20-12型室(shi)內柱上(shang)直(zhi)(zhi)流(liu)電(dian)(dian)(dian)(dian)(dian)蒸空(kong)塑殼低(di)壓斷(duan)路器(qi)(qi)為額定(ding)值直(zhi)(zhi)流(liu)電(dian)(dian)(dian)(dian)(dian)壓量(liang)(liang)量(liang)(liang)電(dian)(dian)(dian)(dian)(dian)壓12kV、380V溝通50Hz的(de)室(shi)內直(zhi)(zhi)流(liu)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)開(kai)關物(wu)料。關鍵應(ying)用(yong)在(zai)開(kai)斷(duan)、關合電(dian)(dian)(dian)(dian)(dian)力能源(yuan)平臺的(de)阻抗直(zhi)(zhi)流(liu)電(dian)(dian)(dian)(dian)(dian)壓量(liang)(liang)量(liang)(liang)、過(guo)載保(bao)(bao)護的(de)直(zhi)(zhi)流(liu)電(dian)(dian)(dian)(dian)(dian)壓量(liang)(liang)量(liang)(liang)及(ji)燒壞直(zhi)(zhi)流(liu)電(dian)(dian)(dian)(dian)(dian)壓量(liang)(liang)量(liang)(liang)。適應(ying)用(yong)在(zai)換流(liu)站站、工業(ye)機構及(ji)縣域(yu)高(gao)低(di)壓配國家電(dian)(dian)(dian)(dian)(dian)網(wang)作(zuo)保(bao)(bao)護的(de)和(he)管理(li)，特意適應(ying)用(yong)在(zai)進行不(bu)斷(duan)的(de)空(kong)間和(he)城網(wang)自(zi)動(dong)化高(gao)低(di)壓配國家電(dian)(dian)(dian)(dian)(dian)網(wang)路。本(ben)物(wu)料與管理(li)器(qi)(qi)搭配，能達到高(gao)低(di)壓電(dian)(dian)(dian)(dian)(dian)氣安(an)裝自(zi)動(dong)化平臺必(bi)須，并(bing)能信得過(guo)而更好地(di)提交傳統藝術(shu)的(de)重復器(qi)(qi)功效。它(ta)主(zhu)(zhu)要分(fen)為較為成(cheng)熟的(de)箱式(shi)密閉機構，的(de)內部充以SF6混合氣體，兼具順暢的(de)密閉效果，使之(zhi)未受社會環(huan)保(bao)(bao)損害，不(bu)是種免維修(xiu)保(bao)(bao)養物(wu)料。其(qi)螺旋彈簧操驅動(dong)力構主(zhu)(zhu)要分(fen)為直(zhi)(zhi)動(dong)連條主(zhu)(zhu)傳送和(he)三級脫扣平臺，拉伸動(dong)作(zuo)信得過(guo)性(xing)強(qiang)，是柱上(shang)塑殼低(di)壓斷(duan)路器(qi)(qi)的(de)妙品。

正常使用條件：

◆氣溫較高不小于3000m；

◆周圈氣氛溫暖受限(xian)制不(bu)(bu)不(bu)(bu)超(chao)40℃，極(ji)限(xian)值不(bu)(bu)不(bu)(bu)超(chao)-40℃，日氣溫差異(yi)25℃；

◆傳熱系(xi)數(shu)不高(gao)達700Pa；

◆污穢(hui)技能等級：IV級；

◆覆冰(bing)壁厚100mm；

◆裝(zhuang)有環(huan)(huan)境(jing)：無(wu)易燃(ran)性、爆炸聲危險區、生物學金屬腐蝕的環(huan)(huan)境(jing)；

◆災害列(lie)度不(bu)大于8度。

型號含義：

主要技術參數：

外形及安裝尺寸：