Set Of Bushing Porcelain Insulators(Top & Bottom) For The Main Transformer 7775 Kva In 3-Ph Ase Locos As Follows. 1) Dt 3/2000 Of Abb Drawing No. Hstn 310508. Qty/Set. = 20 Nos. 2) Dt 3/1000 Of Abb Drawing No. Hstn 310507. Qty/Set. = 10 Nos. 3) Dt 3/630 Of Abb Drawing No. Hstn 310506. Qty/Set. = 10 Nos. 4) Dt 1/250 Of Abb Drawing No. Hstn 310500. Qty/Set. = 20 Nos. [ Warranty Period: 30 Months A Fter The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitted: Max 8 Lacs ] ]