It has overload, short circuit, leakage protection and other functions, and provides adaptive power interface for multi-channel electrical equipment. The color is white, and the appearance is beautiful and generous. It is applicable to the distribution network with the frequency of 50-60Hz and the voltage and current below 660V. The box is made of high-quality imported glass fiber reinforced 10% polycarbonate by injection molding, with high hardness, good impact toughness, stable size, good insulation, good thermal stability, good chemical stability and good flame retardancy. The protection grade of the box is up to IP67, and the impact strength is IK09. The installation and combination modules of the product are diversified and have a long service life. 

The product can be equipped with a perspective operation window according to the requirements, without opening the door, which is convenient and safe to use. It is applicable to petroleum, chemical industry, metallurgy, power plant, coal mine, bridge, food, automobile manufacturing, comprehensive pipe gallery, machinery, light textile, port, wharf and other industries. Especially, it is widely used in the field of rail transit tunnel section maintenance.

Conform to GB/T7251.3-2017