... voltage regulator 1.Single / three phase 2.it regulates the voltage from 0~220 V 3.energy-saving three phase voltage regulatorApplicationTDGC2, TSGC2, TDGC2J, TSGC2J series voltage regulator ... , reliable, long-term operation and other characteristics to voltage adjust temperature control, dimming, power control and other ... control purposes, it is an ideal AC voltage regulator power supply. three phase ...