Current Transformers (Up To 3. 3 Kv) - As Per Iec60044/Is 2705, Summation Cts - As Per Is 4201, Voltage Transformers (Up To 3. 3 Kv) - As Per Is 3156 Controls Transformers - As Per Is 12021, Power Transformers (Single And Three Phase) - As Per Is 2026, Toroidal Transformers, Inductors - (Line Chokes, Filter Chokes), Harmonic Filters, Transformer-Rectifier Units (Single And Three Phase)