MESS型低(di)(di)壓(ya)(ya)(ya)抽出(chu)式開(kai)(kai)(kai)關(guan)(guan)柜(ju)(ju)(ju)（以(yi)下(xia)(xia)(xia)簡稱(cheng)開(kai)(kai)(kai)關(guan)(guan)柜(ju)(ju)(ju)），適用(yong)(yong)于(yu)交流50-60Hz，額(e)定(ding)工(gong)作電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)660V及(ji)以(yi)下(xia)(xia)(xia)的(de)(de)(de)控(kong)配電(dian)(dian)(dian)(dian)系統。主要使(shi)用(yong)(yong)于(yu)發電(dian)(dian)(dian)(dian)廠(chang)、變電(dian)(dian)(dian)(dian)站、工(gong)礦企業等電(dian)(dian)(dian)(dian)力(li)(li)(li)用(yong)(yong)戶，作為接(jie)受(shou)和分(fen)(fen)配電(dian)(dian)(dian)(dian)能(neng)之用(yong)(yong)，并具(ju)有(you)(you)對(dui)電(dian)(dian)(dian)(dian)路(lu)進(jin)行(xing)控(kong)制、保護和檢測等功(gong)能(neng)。
功(gong)能(neng)特(te)點(dian)：
設(she)計(ji)采(cai)用(yong)(yong)IEC439、GB7251標(biao)(biao)準(zhun)
框架(jia)采(cai)用(yong)(yong)鍍鋅鋼板(ban)，“C”字(zi)型型材以(yi)鉚釘及(ji)自攻螺絲結合成堅固的(de)(de)(de)一體(ti)。柜(ju)(ju)(ju)內(nei)部尺寸(cun)、隔室(shi)尺寸(cun)實行(xing)模(mo)數(shu)化(hua)，同一規格(ge)的(de)(de)(de)功(gong)能(neng)單元(yuan)可(ke)互換。
低(di)(di)壓(ya)(ya)(ya)開(kai)(kai)(kai)關(guan)(guan)柜(ju)(ju)(ju)在(zai)短路(lu)故(gu)障(zhang)時能(neng)承受(shou)由(you)此引起的(de)(de)(de)電(dian)(dian)(dian)(dian)氣(qi)、熱及(ji)機(ji)械應(ying)力(li)(li)(li)。在(zai)故(gu)障(zhang)條件下(xia)(xia)(xia)所產(chan)生的(de)(de)(de)氣(qi)體(ti)通(tong)過(guo)壓(ya)(ya)(ya)力(li)(li)(li)釋(shi)(shi)放(fang)口排(pai)(pai)放(fang)，壓(ya)(ya)(ya)力(li)(li)(li)釋(shi)(shi)放(fang)口的(de)(de)(de)位置(zhi)(zhi)不(bu)朝向操(cao)作人員(yuan)。
開(kai)(kai)(kai)關(guan)(guan)柜(ju)(ju)(ju)的(de)(de)(de)主母(mu)線(xian)室(shi)、支母(mu)線(xian)室(shi)、功(gong)能(neng)單元(yuan)室(shi)和電(dian)(dian)(dian)(dian)纜室(shi)以(yi)及(ji)功(gong)能(neng)單元(yuan)室(shi)之間采(cai)用(yong)(yong)全(quan)隔離設(she)計(ji)，這種內(nei)部分(fen)(fen)隔設(she)計(ji)可(ke)將電(dian)(dian)(dian)(dian)弧的(de)(de)(de)破壞性(xing)(xing)降到(dao)小(xiao)(xiao)的(de)(de)(de)程度。
框架(jia)無任何(he)焊接(jie)點(dian)。組(zu)裝(zhuang)(zhuang)時采(cai)用(yong)(yong)特(te)殊的(de)(de)(de)夾具(ju)，保證很(hen)高的(de)(de)(de)裝(zhuang)(zhuang)配精(jing)度。
各功(gong)能(neng)單元(yuan)均裝(zhuang)(zhuang)有(you)(you)門（或面板(ban)），并裝(zhuang)(zhuang)有(you)(you)鉸鏈和鎖，裝(zhuang)(zhuang)有(you)(you)設(she)備的(de)(de)(de)門不(bu)會(hui)由(you)于(yu)重量或大小(xiao)(xiao)而(er)引起下(xia)(xia)(xia)垂。
開(kai)(kai)(kai)關(guan)(guan)柜(ju)(ju)(ju)的(de)(de)(de)功(gong)能(neng)單元(yuan)小(xiao)(xiao)室(shi)設(she)有(you)(you)過(guo)壓(ya)(ya)(ya)釋(shi)(shi)放(fang)通(tong)道，在(zai)故(gu)障(zhang)情況(kuang)下(xia)(xia)(xia)產(chan)生的(de)(de)(de)氣(qi)體(ti)均可(ke)通(tong)過(guo)壓(ya)(ya)(ya)力(li)(li)(li)釋(shi)(shi)放(fang)口排(pai)(pai)出(chu)。
柜(ju)(ju)(ju)體(ti)可(ke)按工(gong)程需(xu)要設(she)計(ji)為電(dian)(dian)(dian)(dian)纜或母(mu)線(xian)“上進(jin)上出(chu)” “上進(jin)下(xia)(xia)(xia)出(chu)”和“下(xia)(xia)(xia)進(jin)下(xia)(xia)(xia)出(chu)”的(de)(de)(de)接(jie)線(xian)方式。
表面處理
每(mei)臺低(di)(di)壓(ya)(ya)(ya)開(kai)(kai)(kai)關(guan)(guan)柜(ju)(ju)(ju)門和終端(duan)封板(ban)采(cai)用(yong)(yong)環氧樹脂(zhi)靜電(dian)(dian)(dian)(dian)粉末噴(pen)涂，噴(pen)涂層不(bu)小(xiao)(xiao)于(yu)50微米，噴(pen)涂前將進(jin)行(xing)除油、除銹(xiu)或磷化(hua)處理，采(cai)用(yong)(yong)上述處理方法使(shi)開(kai)(kai)(kai)關(guan)(guan)柜(ju)(ju)(ju)外殼具(ju)有(you)(you)很(hen)強(qiang)的(de)(de)(de)防腐能(neng)力(li)(li)(li)。
柜(ju)(ju)(ju)體(ti)顏色(se)(se)可(ke)由(you)我方推薦(jian)，用(yong)(yong)戶確定(ding)。
母(mu)排(pai)(pai)
母(mu)排(pai)(pai)系統符(fu)合ZBK36001-89、IEC439、IEC694標(biao)(biao)準(zhun)，柜(ju)(ju)(ju)內(nei)母(mu)排(pai)(pai)置(zhi)(zhi)于(yu)低(di)(di)壓(ya)(ya)(ya)開(kai)(kai)(kai)關(guan)(guan)柜(ju)(ju)(ju)的(de)(de)(de)專用(yong)(yong)母(mu)線(xian)室(shi)內(nei)。
母(mu)排(pai)(pai)材料選擇按IEC431標(biao)(biao)準(zhun)采(cai)用(yong)(yong)剛性(xing)(xing)硬拉高導電(dian)(dian)(dian)(dian)的(de)(de)(de)電(dian)(dian)(dian)(dian)解銅。
母(mu)排(pai)(pai)的(de)(de)(de)相色(se)(se)、排(pai)(pai)列順序均符(fu)合IEC439、GB7251標(biao)(biao)準(zhun)。
母(mu)排(pai)(pai)的(de)(de)(de)夾緊螺栓采(cai)用(yong)(yong)高強(qiang)度的(de)(de)(de)螺栓，使(shi)母(mu)排(pai)(pai)安裝(zhuang)(zhuang)方便(bian)、靈(ling)活而(er)且十分(fen)(fen)牢固。
開(kai)(kai)(kai)關(guan)(guan)柜(ju)(ju)(ju)內(nei)可(ke)設(she)獨立的(de)(de)(de)PE接(jie)地(di)系統和N中性(xing)(xing)導體(ti)，二者貫穿整(zheng)個裝(zhuang)(zhuang)置(zhi)(zhi)，各回路(lu)接(jie)地(di)或接(jie)零(ling)都可(ke)就近聯接(jie)；
小程序碼