配(pei)電(dian)(dian)(dian)箱(xiang)是按電(dian)(dian)(dian)氣(qi)接(jie)線要求將開(kai)關(guan)(guan)設備(bei)、測(ce)量儀表(biao)、保護(hu)電(dian)(dian)(dian)器(qi)和輔助設備(bei)組裝在封閉(bi)或(huo)(huo)(huo)半封閉(bi)金(jin)屬柜中或(huo)(huo)(huo)屏(ping)幅上(shang)，構成低壓配(pei)電(dian)(dian)(dian)箱(xiang)。正(zheng)常(chang)運行時可(ke)(ke)借(jie)助手(shou)動或(huo)(huo)(huo)自動開(kai)關(guan)(guan)接(jie)通或(huo)(huo)(huo)分斷電(dian)(dian)(dian)路(lu)。故障(zhang)或(huo)(huo)(huo)不(bu)正(zheng)常(chang)運行時借(jie)助保護(hu)電(dian)(dian)(dian)器(qi)切(qie)斷電(dian)(dian)(dian)路(lu)或(huo)(huo)(huo)報(bao)警(jing)。借(jie)測(ce)量儀表(biao)可(ke)(ke)顯示(shi)運行中的各種參數，還可(ke)(ke)對某(mou)些電(dian)(dian)(dian)氣(qi)參數進行調整，對偏離正(zheng)常(chang)工作狀(zhuang)態進行提示(shi)或(huo)(huo)(huo)發出信號。