supply of supply of 2 kva, 3 phase, dry type transformer, having primary input voltage 415 v (line to l ine) in delta connection and secondary output voltage 230 v (line to neutral) in star / wye(y) connection wi th neutral brought out. frequency 50 hz, winding material: copper. insulation class: class f or class h, cooling: air natural / dry type, ip 23 protection, efficiency: 95% to 97%, impedance: 2 % to 5 %. confirmin g to is 2026-1 (2011), part 1 & is/iec 61558. at the time of bidding, the

Central Railway has invited bids for the supply of supply of 2 kva, 3 phase, dry type transformer, having primary input voltage 415 v (line to l ine) in delta connection and secondary output voltage 230 v (line to neutral) in star / wye(y) connection wi th neutral brought out. frequency 50 hz, winding material: copper. insulation class: class f or class h, cooling: air natural / dry type, ip 23 protection, efficiency: 95% to 97%, impedance: 2 % to 5 %. confirmin g to is 2026-1 (2011), part 1 & is/iec 61558. at the time of bidding, the bidder must submit a valid bis/isi c ertification if they are the oem. if the bidder is a non-oem, they must submit a valid oem authorization lett er along with the oem?s valid bis certification. [ warranty period: 12 months after the date of delivery ] ] - dry type transformer.. Please refer to the tender document for project value and EMD details. Interested bidders can submit applications until 28 September 2026, with the technical opening scheduled for 28 September 2026.