Power distribution cabinet series is suitable for AC 50 Hz, rated voltage up to 0.4 KV power transmission and distribution system. This series of product is a combination of automatic compensation and power distribution. And it is a innovative indoors and outdoors pressure distribution cabinet of electrical leakage protection, energy metering, over-current, over-pressure open phase protection. It has benefits of small volume, easy installation, low cost, electricity-stolen prevention, strong adaptability, resistance to aging, accurate rotor, no compensation error, etc. Therefore it is the ideal and preferred product for electric grid reformation.