supply of power transformer 33 kv, 500 kva, isi marked, as per conforming is:1180(part-i): 2014 with latest, energy efficiency level 3 & bee star rating - 3,power transformer 33 kv, 500 kva, isi marked, as per conforming is:1180(part-i): 2014 with latest, energy efficiency level 3 & bee star rating - 3,,power transformer 33 kv, 500 kva, isi marked, as per conforming is:1180(part-i): 2014 with latest, ener gy efficiency level 3 & bee star rating - 3, including installation testing civil work, input voltage - 33 kv & output voltage - 415 v, no load voltage ratios - 33/.433 kv, core material - crgo as per is:3024 latest, winding material of transfor mer copper & foundation mounted type, vector group dyn-11 with solidly earthing system arrangement, noise level - 48 db, tank cover bolted type with radiator fins, cooling onan type, transformer body material used mild steel & bottom sheet thickness - 6 mm & side sheet of tank thickness - 4 mm, insulating oil to be used as per is:335 with supply of oil qty - 500 liter, on load tap charging arrangement with off circuit externally operated switch with mechanical interlockin g device & position indicator, tapped positions 7 no with off position, temprature indicator & non return valve with drain cum sampling valve, with provison of cable end box on lv side, warranty of transformer 48 months of commissioning material of rating plate - anodized aluminium with engraved marking of central govt. lab report for type test internal test report & routine test report short ckt with stand report with bis licence certificate & star rating certificate. make - kirlosk ar, crompton greaves, abb tesla or equivalent. [ warranty period: 48 months after the date of delivery ] ]