Overview: XL-21 series power distribution box(cabinet) is widely used in the low-voltage distribution system. The product is suit for the system with AC50 HZ,rated voltage 380v,rated current under 630A ,as power distribution ,lighting power distribution and power control etc.. Main Characteristics: 1,Easy installation,beautiful appearance,various structure,easy maintenance. 2,Application range:Indoor/High rise building. 3,Structure:Fixed board. 4,Operation voltage: Low voltage. 5,Shell material: Steel plate 6,Shell protection grade:IP30-40 or according to request 7,Form:All-packaged type Standards: Meet with IEC60439-1 and GB7251.1 standards.