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