bids are invited for potential transformer ( type-1 ) - single phase, drawout type, cast resin, indoor type, 50hz, with fuse on ht side – 3.15avoltage factor:1.2 times continuous & 1.9times for 8hrsratio: 11kv / rt3 / 110v / rt3-110v / 3core-1: class / burden: 0.2 / 30vacore-2: class / burden: 3p / 30va ( open delta ) insulation level: 12 / 28 / 75kv ( other details are mentioned in technical specifications ) , potential transformer ( type-2 ) - pt with provision for mounting fuse, 11kv / rt3, 1phase, draw out type , resin cast type, ratio: 11kv / rt3 / 110v / rt3, frequency: 50hzclass / burden-0.5 / 30vaover voltage factor:1.2 times continuous & 1.9times for 8 hoursbil: 12 / 28 / 75kv ( other details are mentioned in technical specifications ) , potential transformer ( type-3 ) - pt with provision for mounting fuse, 11kv / rt3, 1phase, draw out type, resin cast type, ratio: 11kv / rt3 / 110v / rt3-110v / rt3, frequency: 50h, core 1: cl 3p, 30vacore 2: cl 3p, 30vaover voltage factor:1.2 times continuous & 1.9times for 8 hoursbil: 12 / 28 / 75kv ( other details are mentioned in technical specifications ) , potential transformer ( type-4 ) - pt with provision for mounting fuse, 11kv / rt3, 1phase, draw out typeresin cast type, ratio: 11kv / rt3 / 110v / rt3, frequency: 50hzclass / burden-0.2 / 50vaover voltage factor:1.2 times continuous & 1.9times for 8 hoursbil: 12 / 28 / 75kv ( other details are mentioned in technical specifications ) total quantity : 1