6.3/1500 kVA Full-sealed Distribution Transformer: 1) CTQC ... 2) Apply for IEC,GB,ANSI 3) Low losses 6.3kV/1500 kVA Full-sealed Distribution Transformer•Introduction to Products ... lower than that of Model S9-M , and S11-M is 30% lower than S9-M. the transformers are high in reliability ... elegant. •Main Technical parameters for 10kV level, S9-M,S10-M,S11-M series three-phase Full-sealed No-load-tap-changing ...