... TSGC2J (Three Phase) TDGC2, TDGC2J (Single Phase) Serial voltage regulators, the fourteenth generation of energy-saving products of electromechanical industry, ... , temperature- control, speed regulating, light regulating, power control, and so on, with the wide service range. The overall designs ... products, show the type of round; while the TDGC2 and TSGC2, the new type products, show the type of ...