415/110 Volts, 400 Va, Single Phase, 50 Hz Capacity Control Supply Transformer Natural Air-Cooled And Class Of Insulation 180 Degree C Suitable For Mounting Inside The Control Panel Of Rmpu Type Ac Coaches. Conforming To Rdso Specification No. Elps/Spec/Ac/04 (Rev-3)- May 2009 And Mak E As Per Bill Of Material Of Mentioned Specification. [ Warranty Period: 30 Months After The Date Of D Elivery ] ]