supply of consumables for switchyard of matatila power station lalitpur ( u.p. ) , 72.5 kv, 400 / 1a, 3 core current transformer. burden- 20va, class- 0.2, 5p, insulation level- 140 / 325kv, ith- 31.5ka, time 3sec., frequency- 50hz , 72.5 kv, 200 / 1a, 3 core current transformer. burden- 30va, class- 0.2, 5p, insulation level- 140 / 325kv, ith- 31.5ka, time 3sec., frequency- 50hz , 1.72.5 kv, 50 / 1a, 3 core current transformer. burden- 20va, class- 0.2, 5p, insulation level- 140 / 325kv, ith- 31.5ka, time 3sec., frequency- 50hz , 60 kv lighting arrestors including counter. umax- 72.5 kv, imax - 10000amp, time- 20ns for 12mva, 11 / 66kv generating transformer