動力配電箱，也稱動力控制箱，是配電箱的一種。配電箱分動力配電箱和照明配電箱，是配電系統(tǒng)的末級設備。配電箱是按電氣接線要求將開關設備、測量儀表、保護電器和輔助設備組裝在封閉或半封閉金屬柜中或屏幅上，構成低壓配電裝置。正常運行時可借助手動或自動開關接通或分斷電路。故障或不正常運行時借助保護電器切斷電路或報警。借測量儀表可顯示運行中的各種參數(shù)，還可對某些電氣參數(shù)進行調整，對偏離正常工作狀態(tài)進行提示或發(fā)出信號。
Power distribution box, also known as power control box, is a kind of distribution box. Distribution box is divided into power distribution box and lighting distribution box, which is the last equipment of distribution system. Distribution box is a low-voltage distribution device which assembles switchgear, measuring instruments, protective appliances and auxiliary equipment in a closed or semi-closed metal cabinet or screen according to the requirements of electrical wiring. In normal operation, the circuit can be switched on or off by manual or automatic switch. When a fault or abnormal operation occurs, the circuit is cut off or the alarm is given by means of a protective device. By means of measuring instrument, various parameters in operation can be displayed, some electrical parameters can be adjusted, and the deviation from normal working state can be prompted or signaled.
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