... 4)lowest loss,small size 10-20KV S13-M.RL 80~2500KVA 3 phase new energy-saving three ... improved. The Golden Triangle company developed S13-M-RL, S11-M-RL series three-dimensional triangular core power ... scrap can recover 18,215 yuan; In addition, if the original S7 transformers is not replaced, the ... yuan / T. G3-630KVA 10-20KV S13-M.RL 80~2500KVA 3 phase new energy-saving three imensional triangular ...