Page 20 - 江苏恒畅电力智控科技有限公司

XL-21

低压动力配电柜

Low-voltage power distribution cabinet

概述 /Overview

XL-21 型低压动力配电柜适用于发电厂及工矿企业中，在交流电压 500 伏及以下的三相四线系统作动力配电之用。
XL-21 型低压动力配电箱系户内装置墙安装，屏前检修。
XL-21 low-voltage power distribution cabinet for power plants and industrial and mining enterprises, the AC voltage of 500 volts and below the
three-phase four-wire system for power distribution purposes.
XL-21 low-voltage power distribution box system installation of indoor wall installation, screen repair.

型号及含义 /Model and meaning

X L - 21 □

方案号 /Program number
设计序号 /Design Number
动力控 /Power control
控制箱 /Control box

结构特征 /Structure

XL-21 型低压动力配电柜系封闭式，外壳用钢板变制而成，刀开关操作手柄装于前右柱上部，可以作为切换电源之用。配电箱前面装有一只电压表，指
示母线的电压。配电箱前面有门，门打开后配电箱内全部设备敞露、便于检修维护。本配电箱用用国内自行设计的型组件，具有结构紧凑，检修方便，线
路方案可以灵活组合等特点。配电箱除装有空气断路器和熔断器作为短路保护外，还装有接触器和热继电器，箱前门可装操作按钮和指示灯。
XL-21 low-voltage power distribution cabinet is closed, the shell made of steel plate, knife switch operating handle installed in the upper right
column, can be used as a switching power supply. The front of the distribution box is equipped with a voltmeter indicating the voltage of the busbar.
Distribution box in front of a door, the door opened after the distribution box all the equipment exposed, easy maintenance. The distribution box
with the domestic design of the type of components, with a compact structure, easy maintenance, line solutions can be flexible combination of
features. Distribution box in addition to equipped with air circuit breakers and fuses as a short circuit protection, but also equipped with contactors
and thermal relay, the front door can be installed operating buttons and lights.

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