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COPPER/ALUMINUM INSULATED WIRES AND RECTANGULAR CONDUCTORS
|
Products |
Types of Insulation |
Temperature Rating °C |
Range of Manufacture |
Insulation Build Grade |
Properties of Insulation |
Main Application |
Specification |
| 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 |
| 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 |
| Nomex (Meta Armaide paper) Covered/Lapped Wires | Aromatic Polyamide Fiber 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 transformer Resin Cast transformers. |
IS: 11174
|
| Nomex (Meta Armaide paper) Covered/Lapped strip | Aromatic Polyamide Fiber Based Paper Covering Butt Lap, half Lap, Multi layer |
220-C |
upto 100 Sq. mm
|
0.05 to 0.125 mm |
High mechanical and Electrical Strength. Lapped construction gives uniform covering exceptional Thermal rating. High Performance coils. | High Voltage Motors, Generators, traction Motors, oil filled transformers, dry type transformers, resin Cast transformers, Electro magnets |
IS: 11174 |
| Mica Composite covered/lapped strips | Resin-Rich Mica Paper Glass Fabric or Polyester Film Composite, Single or Multi tape construction overlap or Butt wound |
Epoxy Resin 155-F Silicone Resin 180-H |
upto 100 Sq. mm
|
Tape Thickness 0.10 to 0.33 |
Formed coils can be cured to produce bonded homogeneous void free inter turn insulation. Can be also supplied B-stage bonded to Copper | Large High Voltage AC motors, generators 3.3 to 13.8 kV |
To Customers Specification |
| Kapton Covered Sintered Wire | Polyamide film with Fluorinated Ethylene Propylene Bonding Covering Single or Double Tapes, over lap or Butt wound |
220-C |
0.91 to 60 mm |
Film Thickness 37 microns 62 microns 75 microns |
Film lapped construction ensure uniform covering giving high insulation integrity. | For use in the most demanding electrical and mechanical situations e.g. traction and coal motors, DC motors, generators, Aerospace motors and submersible pump motors. |
To Customers Specifications IEC: 851 |
| Kapton Covered Sintered Strip | Polyamide film with Fluorinated Ethylene Propylene Bonding covering ¼ lap,1/2 lap, 2/3 lap |
220-C |
Upto 60 Sq. mm |
Film Thickness 37 microns 62 microns 75 microns |
Uniformity of covering thickness including corners combined with high insulation integrity. Forming properties similar to Enamelled strips | For use in the most demanding electrical and mechanical situations e.g. traction and coal motors, DC motors, generators, oilrig motors, Aerospace motors, submersible pump motors. |
To Customers Specifications IS: 9148 |
| Glass fibre yarn Covered/lapped varnish/Resin Bonded Wire | Insulation One/Two layer Glass
Fiber Yarn Combination Enamelled |
Based on Varnish/ Resin Applied 155-F,180-H |
0.30 to 6.4 mm |
1st layer 0.1 to 0.18 mm 2nd layer 0.19 to 0.43 mm + combinations of insulation |
High mechanical and Thermal properties | High Voltage Motors, High Voltage motors Generators, DC motors, Hermetic motors 3.3-6.6 kV |
IS: 4685 |
| Glass fibre yarn/ Covered/lapped varnish/Resin Bonded Strips | Insulation: One/Two layer Glass
Fibre Yarn Combination: Enamelled, Polyester Film, Nomex Paper |
Based on Varnish/ Resin Applied 155-F,180-H |
Upto 60 Sq. mm |
Layer 1 0.10 to 0.18 mm Layer 2 0.19 to 0.43 mm + combinations of insulation |
High mechanical and Thermal properties | High Voltage Motors, High Voltage Motors Generators, DC motors, Hermetic Motors 3.3-11 kV |
IS: 10114/13730-0-4 |
| Enamel Coated/ Covered wires | Resin Based Enamel Single or Dual Coat | 155-F,180-H, 200-C |
Upto 60 Sq. mm |
0.06 to 0.16 mm |
High Electrical and Thermal properties | Stators and Rotors winding of motors, generators, alternators |
IS: 13730 Pt-16, 28, 29,30 |
| Enamel Coated/ Covered wires | Resin Based Enamel Single or Dual Coat | 155-F,180-H, 200-C |
03 to 40 swg (6.4 to 0.12 mm) |
0.03 to 0.15 mm |
High mechanical, electrical and thermal properties with high speed windability | Winding of motors, Fans, high frequency Voice coils and Hermetic Motors, Hand Tools, Appliances etc |
IS: 4800/13730 Pt- 1 to 14 |
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