动力配电箱，也称动力控制箱，是配电箱的一种。配电箱分动力配电箱和照明配电箱，是配电系统的末级设备。配电箱是按电气接线要求将开关设备、测量仪表、保护电器和辅助设备组装在封闭或半封闭金属柜中或屏幅上，构成低压配电装置。正常运行时可借助手动或自动开关接通或分断电路。故障或不正常运行时借助保护电器切断电路或报警。借测量仪表可显示运行中的各种参数，还可对某些电气参数进行调整，对偏离正常工作状态进行提示或发出信号。

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.