| Paper Covered/ Lapped Wire |
Multi Lapped Manila/ Kraft Paper or Crepe Covering Butt Lap, Half lap wound and Multi layers |
105-A |
6.4 to 0.50 mm |
0.05 to 0.125 mm Kraft Paper thickness or as required |
High dielectric strength when oil immersed. Uniform radial Separation, Mechanical resistance |
Distribution transformers, ESP and welding transformers |
IS: 7404 Pt-1, BS: 4653: Pt-2, BS: 6811 Section 8,1 IEC: 317-27 |
| Paper Covered/ Lapped Strips |
Multi Lapped Manila/ Kraft Paper or Crepe Covering Butt Lap, Half lap wound and Multi layers |
105-A |
upto 100 Sq. mm |
0.05 to 0.125 mm Kraft Paper thickness or as required |
High dielectric strength when oil immersed. Uniform radial Separation, Mechanical resistance |
Oil filled distribution and power transformers. |
IS: 7404 Pt-2, BS: 4653 Pt-2, IEC: 317-27 |
| Nomex (Meta Aramid paper) Covered/Lapped Wires |
Aromatic Polyamide Fibre Based Paper Covering Butt Lap, half Lap, Multi layer |
220-C |
6.4 to 0.50 mm |
0.05 to 0.125 mm |
High mechanical and electrical strength. Lapped construction gives uniform covering. Exceptional thermal rating. High performance coils. |
Dry type and resin cast transformers. |
IS: 11174, BS: 4653 Pt-2, IEC: 851 |
