The XL-21 low-voltage power distribution box is suitable for power distribution in three-phase four wire or three-phase five wire systems with AC voltage of 500V and below in power plants and industrial and mining enterprises. The XL-21 low-voltage power distribution box is an indoor device installed against the wall and maintained in front of the screen. The shell is made of bent steel plate and can be used for switching power supply. According to user needs, different models and current levels of circuit breakers can be selected to meet the needs of different users.

XL-21 type low-voltage power distribution box, secondary distribution, suitable for industrial and mining enterprises such as light textiles, metallurgy, chemical industry, mining, machinery, etc. It is used as an AC 50Hz, rated voltage 380V or 660V, rated current up to 630A three-phase three wire, four wire or five wire low-voltage distribution system, for high-power power supply, secondary distribution of power supply, power and lighting distribution. At the same time, it can also be used for partial control in low-voltage control systems.