supply of 500 kva outdoor transformer, plinth mounted, oil immersed, non-sealed type (transformer t ank body and cover are bolted) distribution transformer, 500 kva rating, 11kv/415v, 3- phase, 50 hz, pri mary winding in delta and secondary winding in star (vector symbol- dyn11), onan cooled, on-load tap c hanner for variation of hv voltage from +5% to -10% in steps of 2.5%, with all standard fittings as per clau se 20.1 of is 1180 (part 1) and oil temperature indicator & winding temperature ind

South Eastern Railways has invited bids for the supply of 500 kva outdoor transformer, plinth mounted, oil immersed, non-sealed type (transformer t ank body and cover are bolted) distribution transformer, 500 kva rating, 11kv/415v, 3- phase, 50 hz, pri mary winding in delta and secondary winding in star (vector symbol- dyn11), onan cooled, on-load tap c hanner for variation of hv voltage from +5% to -10% in steps of 2.5%, with all standard fittings as per clau se 20.1 of is 1180 (part 1) and oil temperature indicator & winding temperature indicators, drain-cum- sam pling valve (3/4 nominal size thread,is:554) of steel with plug, energy efficiency level 3 & above, conformin g to is 1180 (part 1): 2014 with amendment nos. 1,2,3 & 4 & as per latest cege/grc's specification no. se r/elec/gs/description/trans/4/ rev-1/nov 2024 or latest make/brand: - abb india, kirloskar, siemens i ndia, bhel or similar. [ warranty period: 30 months after the date of delivery ] ].. Please refer to the tender document for project value and EMD details. Interested bidders can submit applications until 6 October 2026, with the technical opening scheduled for 6 October 2026.