Three Phase voltage servo stabilizer today, and say good bye to low / high fluctuating voltage supply and protect your home and office from electrical damage. To begin with, it come with wide range of input voltage from (304-456)VAC, and a constant output voltage of 400V, thus providing a stabilizer voltage supply and protecting all electrical appliances in your premises: Air conditioner, Fridge Freezers, TV, Home Theatre, DVD, Satellite Decoder, Electronics, Lights, Fans,Washing Machine, Microwave, Pumping Machine, Photocopier, Printer, Desktops, Notebooks, etc.