Power Transformer S9-M-30~2500/10 1.CCC,CE,ISO,IEC 2.High ... Immersed Power Transformer S9-M-30~2500/10 Primary voltage: 6, 6.3, 10, 10.5, 11kVTapping range: ±5%Secondary voltage: 3, 3.15, 6.3kVConnection group: Yyno ... order:1. Product model;2. Rated capacity;3. Voltage combination;4. Regulation range;5. Frequency;6. Connection group symbol;7. Technical requirements ...