Tenders for Supply of Step Down 100 Va, 750V/110V Ac Transformer H Class Insulation Suitable For Rolling Stock Application. Make Bhasin Packard/ Vimal/ Pantronics/ Nacei/ Ramaya Or Others Rdso Approve Make Only. As Per Rdso Spec No.Edts-355 Rev-01 With Amendment Or Latest. The Material To Be Procured Oem Or His Authorized Dealer Only.