抽屉式开关柜。这类开关柜采用钢板制成封闭外壳，进出线回路的电器元件都安装在可抽出的抽屉中，构成能完成某一类供电任务的功能单元。功能单元与母线或电缆之间，用接地的金属板或塑料制成的功能板隔开，形成母线、功能单元和电缆三个区域。每个功能单元之间也有隔离措施。
Drawer switch cabinet. This kind of switch cabinet is made of steel plate enclosure. The electrical components of the circuit of the inlet and outlet lines are installed in the drawer which can be pulled out to form a functional unit capable of completing a certain kind of power supply task. Between the function unit and bus or cable, the function board made of grounded metal or plastic is separated to form three areas of bus, function unit and cable. There are also isolation measures between each functional unit.
抽屉式开关柜有较高的可靠性、安全性和互换性，是比较先进的开关柜，目前生产的开关柜，多数是抽屉式开关柜。它们适用于要求供电可靠性较高的工矿企业、高层建筑，作为集中控制的配电中心。
Drawer type switch cabinet has high reliability, safety and interchangeability. It is a relatively advanced switch cabinet. At present, most of the switch cabinets produced are drawer type switch cabinets. They are suitable for industrial and mining enterprises and high-rise buildings requiring high reliability of power supply, and serve as distribution centers under centralized control.