【中文】XL-21型动力配电箱，户内封闭式固定安装。箱体采用钢板折弯焊接，结构紧凑、强度高、便于安装维护，内装断路器、接触器、热继电器及仪表等元件，适用于工矿企业、车间及民用建筑等场所，作为交流380V/220V配电系统动力与照明回路的控制与保护。执行GB/T 7251.1等标准。
【English】An XL-21 type power distribution box for indoor enclosed fixed installation. The enclosure is folded and welded from steel sheet, compact and strong, easy to install and maintain, and is fitted with circuit breakers, contactors, thermal relays and meters. It is suitable for industrial and mining enterprises, workshops and civil buildings as control and protection for power and lighting circuits of AC 380 V/220 V distribution systems. Standards: GB/T 7251.1, etc.
德阳新源电器有限责任公司德阳新源电器有限责任公司始建于1984年，坐落于成都一小时经济圈内的中国名酒之乡——四川省绵竹市富新镇…
