配電箱是按(an)電(dian)(dian)氣接線要求將(jiang)開關設備(bei)、測量(liang)儀表、保護電(dian)(dian)器(qi)和(he)輔助設備(bei)組裝在封閉(bi)(bi)或半封閉(bi)(bi)金屬柜中或屏幅上,構成低壓配電(dian)(dian)箱。正常運行時(shi)可借(jie)助手動(dong)或自動(dong)開關接通或分(fen)斷電(dian)(dian)路。常用的(de)配電(dian)(dian)箱有木制和(he)金屬制兩種(zhong)。