配電箱是按(an)電(dian)(dian)(dian)氣接線(xian)要(yao)求將開(kai)(kai)關(guan)設備(bei)(bei)、測量儀表、保(bao)護電(dian)(dian)(dian)器和(he)輔助設備(bei)(bei)組裝(zhuang)在封(feng)閉(bi)或(huo)半封(feng)閉(bi)金屬柜中或(huo)屏幅上，構(gou)成低(di)壓配電(dian)(dian)(dian)箱。正常(chang)運(yun)行時可借(jie)助手(shou)動(dong)或(huo)自動(dong)開(kai)(kai)關(guan)接通或(huo)分斷電(dian)(dian)(dian)路(lu)。常(chang)用(yong)的配電(dian)(dian)(dian)箱有(you)木制(zhi)和(he)金屬制(zhi)兩種。