... -theft,Anti-tamper transformer 4)lowest loss,small size 10-20KV S13-M.RL 80~2500KVA 3 phase new energy-saving ... volume is smaller than the conventional rectangular tank.Good economy, Cost-effective> For the same level performance laminated-type transformers, Three ... yuan / T, copper: 67, 000 yuan / T. G3-630KVA 10-20KV S13-M.RL 80~2500KVA 3 phase new energy-saving ...