大連配電箱主要結(jie)構分(fen)(fen)為(wei)箱(xiang)殼、面(mian)板(ban)、安裝支架、中性母線排、接(jie)地母線排等(deng)部(bu)件。在面(mian)板(ban)上有(you)操(cao)作主開(kai)(kai)關和分(fen)(fen)路(lu)開(kai)(kai)關的開(kai)(kai)啟孔，若不需(xu)要安裝全數(shu)分(fen)(fen)路(lu)開(kai)(kai)關時，可以使用封口板(ban)將開(kai)(kai)啟孔部(bu)分(fen)(fen)封閉(bi)。住宅配電(dian)(dian)箱(xiang)電(dian)(dian)器額定(ding)(ding)值(zhi)、動作整定(ding)(ding)值(zhi)，應與分(fen)(fen)路(lu)開(kai)(kai)關電(dian)(dian)器的額定(ding)(ding)值(zhi)、動作整定(ding)(ding)值(zhi)相適應。并裝設總自動開(kai)(kai)關、漏電(dian)(dian)保護器和分(fen)(fen)路(lu)自動開(kai)(kai)關。

        施工現場配(pei)(pei)(pei)電(dian)(dian)(dian)(dian)(dian)系統(tong)內應當設置(zhi)室內總配(pei)(pei)(pei)電(dian)(dian)(dian)(dian)(dian)屏和(he)分配(pei)(pei)(pei)電(dian)(dian)(dian)(dian)(dian)箱(xiang)分級供(gong)電(dian)(dian)(dian)(dian)(dian)，各級配(pei)(pei)(pei)電(dian)(dian)(dian)(dian)(dian)裝(zhuang)置(zhi)的(de)容(rong)量應與實際負(fu)載(zai)匹配(pei)(pei)(pei)。動(dong)力、照明應分別(bie)設置(zhi)。 大連配(pei)(pei)(pei)電(dian)(dian)(dian)(dian)(dian)箱(xiang)中的(de)低(di)壓電(dian)(dian)(dian)(dian)(dian)器(qi)(qi)，由熔斷(duan)器(qi)(qi)、交(jiao)流(liu)接觸器(qi)(qi)、剩余電(dian)(dian)(dian)(dian)(dian)流(liu)動(dong)作保護器(qi)(qi)、電(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)(qi)及計量表(biao)等組成。周圍(wei)(wei)空氣(qi)溫(wen)(wen)度的(de)上(shang)限不超(chao)過40℃；周圍(wei)(wei)空氣(qi)溫(wen)(wen)度24h的(de)平均(jun)值(zhi)不超(chao)過35℃；周圍(wei)(wei)空氣(qi)溫(wen)(wen)度的(de)下限不低(di)于-5℃或-25℃。施工用配(pei)(pei)(pei)電(dian)(dian)(dian)(dian)(dian)系統(tong)各配(pei)(pei)(pei)電(dian)(dian)(dian)(dian)(dian)箱(xiang)、開關箱(xiang)的(de)安裝(zhuang)位置(zhi)要(yao)合理。總配(pei)(pei)(pei)電(dian)(dian)(dian)(dian)(dian)箱(xiang)要(yao)盡量靠近(jin)變壓器(qi)(qi)或外電(dian)(dian)(dian)(dian)(dian)源(yuan)處，以便電(dian)(dian)(dian)(dian)(dian)源(yuan)的(de)引入(ru)。

        大連配(pei)電(dian)(dian)箱(xiang)分(fen)配(pei)電(dian)(dian)箱(xiang)應盡(jin)量(liang)安(an)裝(zhuang)(zhuang)在(zai)用(yong)電(dian)(dian)設(she)備或負荷(he)(he)相(xiang)對(dui)集(ji)中(zhong)的(de)(de)中(zhong)心(xin)(xin)地帶(dai)，確保三相(xiang)負荷(he)(he)保持平(ping)衡。開關箱(xiang)安(an)裝(zhuang)(zhuang)的(de)(de)位(wei)置應視現場(chang)情(qing)況和工況盡(jin)量(liang)靠近其(qi)控(kong)制的(de)(de)用(yong)電(dian)(dian)設(she)備。大連配(pei)電(dian)(dian)箱(xiang)應有(you)齊(qi)備的(de)(de)中(zhong)性線按(an)線端(duan)子(zi)，箱(xiang)體必須(xu)具(ju)有(you)牢(lao)固(gu)可靠的(de)(de)保護接地接線端(duan)子(zi)。按(an)照規(gui)范要求：導(dao)線與電(dian)(dian)氣元件連接必須(xu)配(pei)有(you)彈墊圈并壓按(an)牢(lao)固(gu)。 配(pei)電(dian)(dian)柜(ju)是電(dian)(dian)動機(ji)控(kong)制中(zhong)心(xin)(xin)的(de)(de)統稱。配(pei)電(dian)(dian)柜(ju)是使(shi)用(yong)在(zai)負荷(he)(he)比(bi)較分(fen)散、回(hui)路(lu)較少的(de)(de)場(chang)合；電(dian)(dian)動機(ji)控(kong)制中(zhong)心(xin)(xin)是使(shi)用(yong)于負荷(he)(he)集(ji)中(zhong)、回(hui)路(lu)較多的(de)(de)場(chang)合。