This substation is used in ring network power supply and terminal power supply, when the rated voltage is 6~10kV, the three-phase AC is 50 Hz. By changing the voltage from 400V into 230V, it can provide power to customer directly. The following are the product's advantages: Complete and strong/ short installation cycle/ space small/ saving investment/ safety in operation/ attractive appearance, very easily harmonized to the surrounding environment, particularly when we want to reduce investment in the base period, shorten the construction period, and beautify city environment, it is the best choice. The product is suitable for residence community/ public place/ airports/ boatyards/ undergrounds/ hotels/ schools/ hospitals/ factories and such construction site of high liquidity, including mines/ oil deposits.