N/a manufacturer / supplier in China, offering 30kw 40kVA Autotransformer Dry Type 3 Phase Electrical Step Down up Transformer, 480V/400V/380VAC Power SBW-60kVA Three Phase Automatic Voltage Stabilizer Regulator AVR, High Power Servo Stabilizer 60kVA 415V/440V/380V 3 Phase Automatic Voltage Regulator AVR and so on.