Supply Of Smps Based 48 Volts, 50 Amps [Supply Of Smps Based 48 Volts, 50 Amps Single Phase 230 V Ac Operated Fr Fc Battery Chargers For Telecom Use As Per Spec. No. Rdso/Spn/Tl/23/ 2008 (Ver. 4) With Latest Amendments In N2 Automatic Switching Between The Modules Suitable For One Of 300 Ah Mf Vrla Battery Bank. It Shall Be Equiped With Surge And Lighting Protection Of Class B And C Along With Instruction And Service Manual. Make Statcon, Puncom, Electric Industries Or Similar]