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
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 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
BS: 4653 Pt-2
IEC: 851

 

 

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
BS: 4653 Pt-2
IEC: 851

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 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
IEC: 851

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
BS: 1933 Pt-1
IEC: 317-31/32/33

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
IEC: 317-31/32/33

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
IEC: 317 Pt-16,28,29,30
BS: 6811

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
BS: 6811
IEC: 317 Pt-3, 8,13,34



[ BACK ]