... ISO9001,ISO14001 2.Made with IEC,ANSI 3.Oil immersed Distribution/Power Transformer 4.Low loss, Pollution free 10KV S11 Series Distribution Transformer ... 241.801.50415072512506701210550*550S11-160/101606.3±5% 0.282.201.40417581513256701295550*550S11-200/1020010±2×2.5%0.4Yyn00.342.601. ... S9, S11, SZ9,SFZ9,SSZ9,SFSZ9,S10,SFZ11 and SFSZ11 series oil-immersed transformer ,with voltage class 10--110KV, and ...