Tender For supply of 415 volts/110 volts, 400 va capacity isolationtransformer in open execution suitable for mounting inside the control panel of rmpu type ac coaches as per rdso spec. no. elps/ spec/ac/04 (rev.3) may-2009, input 415 volts, 2 phase, 50 hz and output 110 volts, 1 phase, 50 hz. material should be procured as per the bill of material mentioned in rdso spec. no. elps/spec/ac/04 (rev. 3) may-2009. [ warranty period: 30 months after the date of delivery ]