... Transformer S9-M-30~2500/10 1.CCC,CE,ISO,IEC 2.High efficiency,low loss,low noise 4.Long lifetime 5 ... Power Transformer S9-M-30~2500/10 Primary voltage: 6, 6.3, 10, 10.5, 11kVTapping range: ±5%Secondary ... than 30 years. With stength of power transformer, substation, switchgears, circuit breaker, wtih super ... capacity;3. Voltage combination;4. Regulation range;5. Frequency;6. Connection group symbol;7. ...