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Covered Wire Products – Application Guide

Covered Wire Products - Application Guide

Products Types of Insulation Temp Rating °C Size Range Insulation Build Grade Properties of Insulation Main Applications Specifications
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

Covered Wire Products - Application Guide