Northern Railway

Northern Railway has published Supply Of Set Of Items ( One Set Consists Of Following Items For Track Feed Battery Charger 10 Ampere ) 1. ) Transformer For Track Feed Battery Charger 10 Amp. To Irs S.89 / 2013 Ver. 1.0 Along With Holding Bracket And Fixing Accessories.Transformer As Per Rdso Specification Irs-S-89 / 2013 Ver.1.0 Transformer Used Shall Be Impragnated And Shall Be Of Natural Air Cooled Type And Shall Be Confirm Is:6297 Class-F For Higher Grade Insulating Material As Per Is:1271 And Polyster Enameled Copper Winding Wire Confirming To Is: 13730 ( Pt-3 ) Shall Be Used For Winding Transformers. Input Voltage - 0-90-100-110 V Ac Output Voltage - ( 0-3.8-5.54-6.92-8.31 ) + / -0.2 V At The Load Of 5.0 Amp Dc Load Sensure Voltage - 15.21 Vac.Auxiliary Winding Voltage -15.24 ( + / - 2 ) V , Voltage Regulation Less Than 5% . Voltage Current Less Than 10% Of The Full Load Current Along With Holding Bracket And Fixing Accessories . Fourth Tapping 10 Amp. Dc Load- 8.12 Volt Efficiency Not Less Than 95%.Note:-Transformer Sub Assembly Should Be Assembled In Proper Way 2. ) Filter Choke For Tfbc 10 Amp > 360+ / - 2 ( Plus Or Minus ) Micro Henry 100 Hz As Per Rdso Specification Irs - S-89 / 2013, Version 1.0 With M.S. Threaded Terminations. ( A ) The Size Should Be ( 27Mm X 64Mm X 78Mm ) + / - 1 Mm Inclusive Of Insulation. ( B ) Ripple Contents Less 5% While Using With Pie Filter Having 2 Nos. Of Condensor 47000 Micro Farad With Input Voltage Setting Of 2V, 4V, 6V And 8V. ( C ) Suitable Higs To Be Provided In The Choke For Fixing. ( D ) Winding Should Be Vacuum Impregenate And Shall Be Of Natural Air Cooled Type And Shall Be Confirmed To Is 6297 Class-F Or Higher Grade Insulating Material As Per Is 1271 And Polyster Enameled Copper Winding Wire Confirming To Is 13730 ( Part 3 ) . [ Warranty Period: 30 Months After The Date Of Delivery ] . Last date of submission for this tender is 2023-04-11. This is a Brackets And Braces tender in Ghaziabad, Uttar Pradesh