PION MAKES AUTOMATIC VOLTAGE STABILIZER WHICH PROVIDES STABILIZED AC VOLTAGE. FOR CONTINUOUS OPERATION OF LOAD EQIPMENTS , AUTOMATIC VOLTAGE STABILIZER IS A RELIABLE SOLUTION. IT IS USED TO PROTECT DOMESTIC EQIPMENTS FOR VOLTAGE FLUCTUATIONS. Unlike Manual voltage stabilizer, Automatic voltage stabilizer do not require manual setting of output voltage but rather gives automatic protection against pre defined voltage range.