120kw three phase power saver forSuitable for Shop, House, Restaurant, Office, Factory,Save Up to 30%-50 ... 1) Save Up to 30%-50% electricity.2) Suitable for Shop, House, Restaurant, Office, Factory3) It does not connect between ... and switch on the unit.-when you see 2 green LED lights turn on,the unit has started ... socket and let tham start saving.once the green lights light up you can be sure savings ...