Details: supply, installation, testing and commissioning of 630 kva step down transformer out door type complete with standard fittings and accessories, ht 11 kv 3 phase, lt 433 volt, 3 phase 4 wire with off load tap changer on primary side to carry secondary voltage tapping range + 7.5% with tappings at every steps 2.5 % all as per is 1180 part-i (2014 , with latest amendment no 1, 2, 3 & 4 of energy efficiency level -2) level-2, for transformer manufacturing of capacity 630 kva, copper wound, oil cooling with fins vector group : dyn 11, including initial oil filling (oil confirming to is 335 and isi mark) complete all as specified including the following accessories :- (a) three nos porcelain bushing ht 11 kv with brass bushing rods, nuts, bolts & washers etc inside cable end box.(b) one cable box lv side consisting of 4 nos porcelain with brass bushing rods complete with nut`s and washers suitable for runs of 3.5 core lt ug cable with suitable arrangement to fix 400 sqmm xlpe single c
Sector: Police and Internal Security