Tenders for Supply of Metal Oxide Gapless Lightning Arrestor / Surge Arrestor For 25 Kv Bg Ac Emu/Memu/3Ph Loco. As Per Rdso Specn.No.Spec/E-1/2/05 Dt.1987.Ammendment-1 Or Clw Spec No. Cl W-Es-3-0016 Alt B Acceptable Makes : Clw / Rdso Approved Makes. Warranty Period: 30 Months After The Date Of Delivery