配(pei)電(dian)箱(xiang)內電(dian)器(qi)選擇(ze)不(bu)當引(yin)起(qi)的(de)故障：由于(yu)在制(zhi)造時對交流接觸(chu)器(qi)容(rong)量選擇(ze)不(bu)很恰當，對不(bu)同出線回路(lu)安裝(zhuang)同容(rong)量的(de)交流接觸(chu)器(qi)，且未(wei)考慮到(dao)三(san)相負荷(he)的(de)不(bu)平衡情(qing)況，配(pei)電(dian)箱(xiang)多少錢，電(dian)器(qi)元件要求：配(pei)電(dian)箱(xiang)、開關(guan)箱(xiang)內電(dian)器(qi)元件必須可靠、完(wan)好，嚴禁使用(yong)破損、不(bu)合格(ge)電(dian)器(qi)。電(dian)器(qi)產(chan)品(pin)(pin)進場時必須審(shen)驗生產(chan)（制(zhi)造）許(xu)可證、產(chan)品(pin)(pin)合格(ge)證、產(chan)品(pin)(pin)說明(ming)書、出廠檢驗記(ji)錄(lu)。配(pei)電(dian)箱(xiang)均要求能在三(san)級污染的(de)條件下運(yun)行(xing)，即配(pei)電(dian)箱(xiang)的(de)防護(hu)等級達到(dao)IP3X。所(suo)有箱(xiang)體用(yong)的(de)鋼(gang)板，型(xing)鋼(gang)必須在噴涂(tu)前(qian)進行(xing)除(chu)油、除(chu)銹磷化(hua)處理，其他金屬件均應要有防腐能力，。

配(pei)(pei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)箱(xiang)蓋(gai)應完(wan)好無損，操(cao)作(zuo)(zuo)完(wan)畢后(hou)及時將蓋(gai)子蓋(gai)上(shang)。在更(geng)換空(kong)(kong)氣(qi)(qi)斷(duan)路(lu)器(qi)(qi)時，要(yao)(yao)(yao)綜合考慮配(pei)(pei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)箱(xiang)的(de)(de)(de)額(e)(e)定(ding)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流、負載的(de)(de)(de)額(e)(e)定(ding)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流等，且更(geng)換的(de)(de)(de)空(kong)(kong)氣(qi)(qi)斷(duan)路(lu)器(qi)(qi)仍要(yao)(yao)(yao)以向上(shang)操(cao)作(zuo)(zuo)為(wei)合閘的(de)(de)(de)原則安裝(zhuang)。總(zong)配(pei)(pei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)箱(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)額(e)(e)定(ding)值(zhi)(zhi)(zhi)、動(dong)作(zuo)(zuo)整(zheng)(zheng)定(ding)值(zhi)(zhi)(zhi)，應與分路(lu)開(kai)關電(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)的(de)(de)(de)額(e)(e)定(ding)值(zhi)(zhi)(zhi)、動(dong)作(zuo)(zuo)整(zheng)(zheng)定(ding)值(zhi)(zhi)(zhi)相適應。并裝(zhuang)設總(zong)自動(dong)開(kai)關、漏(lou)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)保護(hu)器(qi)(qi)和(he)分路(lu)自動(dong)開(kai)關。各(ge)級配(pei)(pei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)箱(xiang)中使用的(de)(de)(de)各(ge)種電(dian)(dian)(dian)(dian)(dian)(dian)(dian)氣(qi)(qi)元件和(he)漏(lou)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)保護(hu)器(qi)(qi)應符合質量(liang)要(yao)(yao)(yao)求。環境(jing)溫度對低壓電(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)影(ying)響(xiang)引起的(de)(de)(de)故(gu)障：配(pei)(pei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)箱(xiang)中的(de)(de)(de)低壓電(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)，由熔斷(duan)器(qi)(qi)、交流接觸器(qi)(qi)、剩余電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流動(dong)作(zuo)(zuo)保護(hu)器(qi)(qi)、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容器(qi)(qi)及計量(liang)表等組成。周(zhou)圍空(kong)(kong)氣(qi)(qi)溫度的(de)(de)(de)上(shang)限不超過(guo)40℃；。

配(pei)電(dian)(dian)(dian)(dian)(dian)(dian)箱(xiang)(xiang)、開(kai)關(guan)(guan)箱(xiang)(xiang)內的電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)（含插座）應(ying)先安(an)裝在(zai)金(jin)屬或非木質阻燃絕緣(yuan)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)安(an)裝板(ban)(ban)上，然后方可整體(ti)緊固在(zai)配(pei)電(dian)(dian)(dian)(dian)(dian)(dian)箱(xiang)(xiang)、開(kai)關(guan)(guan)箱(xiang)(xiang)箱(xiang)(xiang)體(ti)內。金(jin)屬電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)安(an)裝板(ban)(ban)與金(jin)屬箱(xiang)(xiang)體(ti)應(ying)做電(dian)(dian)(dian)(dian)(dian)(dian)氣連接。電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)元(yuan)件要求：配(pei)電(dian)(dian)(dian)(dian)(dian)(dian)箱(xiang)(xiang)、開(kai)關(guan)(guan)箱(xiang)(xiang)內電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)元(yuan)件必(bi)須(xu)可靠(kao)、完好，嚴禁使(shi)用破損、不合格電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)。電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)產(chan)(chan)品(pin)(pin)進場時必(bi)須(xu)審(shen)驗(yan)生產(chan)(chan)（制造）許可證、產(chan)(chan)品(pin)(pin)合格證、產(chan)(chan)品(pin)(pin)說(shuo)明(ming)書(shu)、出(chu)廠檢驗(yan)記錄(lu)。配(pei)電(dian)(dian)(dian)(dian)(dian)(dian)箱(xiang)(xiang)的漏(lou)電(dian)(dian)(dian)(dian)(dian)(dian)保(bao)(bao)護措施，通(tong)常使(shi)用的是漏(lou)電(dian)(dian)(dian)(dian)(dian)(dian)保(bao)(bao)護器(qi)(qi)(qi)，就是俗稱漏(lou)電(dian)(dian)(dian)(dian)(dian)(dian)開(kai)關(guan)(guan)，它是一(yi)種接地(di)保(bao)(bao)護裝置，當(dang)電(dian)(dian)(dian)(dian)(dian)(dian)路或用電(dian)(dian)(dian)(dian)(dian)(dian)設備漏(lou)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)流大于裝置的整定值，或人、動物發(fa)生觸電(dian)(dian)(dian)(dian)(dian)(dian)危險時，它能迅速動作，切斷事故電(dian)(dian)(dian)(dian)(dian)(dian)源，。