XL-21 low voltage power distribution box Standards: IEC439, GB7251.1-1997, JB/T9661-1999 Rated voltage: AC400V XL-21 low voltage power distribution box XL-21 power distribution box is suitable for the distribution power system of the power plant, petroleum, chemical, metallurgical, textile and skyscraper. XL-21 power distribution box is as the power, power distribution, motor control center, etc. ...
