Tenders for Supply of Set Of Dc-Dc Converter Consisting Of 1 110V Dc Input 24V Dc Output 31...144V Dc-24V Dc-1 N O/Set. 2 110V Dc Input 48V Dc Output 58...144V Dc-48V Dc-1 No/Set. For Wap-7 & Wag-9 3-Phase Class Of Loco. As Per Clws Specn. No. Clw/Es/3/0054 Alt-B. Warranty Period: 30 Months After The Date Of Deliver Y