产品概述 Product briefaccount

XL-21型交流低压动力配电箱，适用于轻纺、冶金、化工、矿山、机械等厂矿企业，作为交流50Hz，额定电

压380V或660V，额定电流至630A的三相三线、四线或五线制的低压配电系统中，作为动力和照明配电之用。

同时还可以作低压控制系统中作部分控制使用。

XL-21 A.C low-voltage motive power switch is suitable for textile,metallurgy,chemical industry,mine,machinery and other industry

mining enterprise as motive and lighting distribution in A.C50Hz,rated voltage 380V or 660V,rated current 630A 3-phase-3-wire.

4-wire or 5-wire low-voltage distribution system.It also can be used as partly control in low-voltage controllina system.

柜式配电箱 Cabinet-type distribution box

箱体结构有二种型式:一种为由冷弯型钢作为箱体骨架，封板和门由冷轧薄钢板弯制而成;另一种为全部由冷

轧蒲钢板营制煌接而成。配电箱可前后开门，也可前面为门，后面为封板靠墙安装。前门可安装二次指示仪表、信

号灯及各类主令电器。箱内可设置内门，在内门上露出内部断路器操作手柄或操作机构，箱体防护等级:IP30~IP54

The structur of the tank body has two types:onethe frame is made of cold-curved steel,sealed-plate and door are made of cold-

cotton-thin-steel plate.The other.the whole tank body is made ofcold-cotton-thin-steel plate to be curved and welded. The distribution

box can have both front door.back door and front door.back sealed board be installed aaainst the wall,On the front door. secondan

instrument.sianina lamp and other elements can installed. In the box.inside door can be installed and show inside circuit breaker

operating handle or operating structure on it.The tank body pretecton degree is up to IP30~IP54.

明装挂墙式配电箱Visible hang-on-wall type distribution box

箱体全部由冷轧薄钢板弯制而成，箱内可配置标准DIN导轨，用于装配各种模数化微型断路器，微型断路器只露

出操作手柄。箱门可以为单扇门，也可左右两扇门，左门内装配一次元器件，右门内装配二次元器件，右门表面

可安装二次仪表、信号灯及各类主令器件。防护等级可达到IP54。

The whole tank body is made of cold-cotton-thin-stee plate,standard DIN guide may be deployed in the box and to be assembled

kinds of modular micro-circuit breaker which onl show its operatina handle.The box door maybe both sinale door and left-riaht doors

Primary element can be assembled in the left-door,and secondarvelement can be assembled in the right-door. On the right door

secondary metersignal lamp and other lementscan be assemble.Protection degree is up to IP54.

暗装埋墙式配电箱 Invisible bury-in-wall type distribution box

箱体全部由冷轧薄钢板弯制焊接而成，箱内可配置标准DIN导轨，用干装配各种模数化微型断路器，微型断路器

只露出操作手柄。箱门可以为单扇门，也可左右两扇门，左门内装配一次元器件，右门内装配二次元器件，右

门表面可安装二次仪表、信号灯及各类主令电器。防护等级可达到IP40。

The whole tank body is made of cold-cotton-thin-steel plate.standard DIN auide may be deploved in the box and to be assembled

kinds of modular micro-circuit breaker which only show its operatina handleThe box door maybe both sinale door and left-riaht doors

Primary element can be assembled in the left-doorand secondaryelement can be assembled in the right-door. On the right door

secondary meter,signal lamp and other elementscan be assemble.Protection degree is up to IP40.

柜式户外配电箱 Cabinet-typeoutdoor distribution box

箱体结构型式:全部由冷轧薄钢板弯制焊接而成。配电箱可前后开门，也可前面为门，后面为封板。箱内可设置

内门，在内门上露出内部断路器操作手柄或操作机构，箱体防护等级可达到IP30~IP54。

The whole tank body is made of cold-cotton-thin-steel plateThe box may own both front door and back door orfront door and sealed

board on the back.In the box.there may assemble inside door and on which show insidecircuit breaker operating hande or operating

instructure.Protection degree isuptoIP30~IP54

明装户外挂墙式配电箱visible outdoor hang-on-wall type distribution box

箱体全部由冷轧薄钢板弯制焊接而成，箱内可配置标准DIN导轨，用于装配各种模数化微型断路器，微型断路器

只露出操作手柄。箱门可以为单扇门，也可左右两扇门，左门内装配一次元器件，右门内装配二次元器件。防护

等级可达到IP54。

The whole tank bodv is made of cold-cotton-thin-steel platestandard DIN guide may be deployed in the box and to be assembled

kinds of modular micro-circuit breaker which only show its operatina handleThe box door maybe both single door and left-riaht doors

Primary element can be assembled in the left-doorand secondarvelement can be assembled in the right-door.Protection degree

is up to IP54.

主要技术参数 Main technical data for the switchgear

产品绝缘电压

500V

insullation voltage

主回路的额定工作电压

交流A.C:380V

main loop rated operating voltage

控制回路额定电压

36V，110V，127V，220V，380V

controlling loop rated voltage

额定电流

100~630A

rated current