Specifications
18
2.5 GRADES OF COPPER ENAMELLED WINDING WIRES :
1. Solderable Polyurethane Enamelled Round Copper Wire, Class 130, with a Bonding
Layer
2. Solderable polyurethane enamelled round copper wire. It has thermal capacity of 120°C,
130°C and 155°C. The diameter ranges from 0.08 mm to 1.00 mm and can be used in
Transformers, Meters, Electronic and Communication Devices.
3. Polymide-imide enamelled round copper wire, Class 200
4. Paper Covered Rectangular Copper Wire
5. Polyesterimide enamelled rectangular copper wire. It has Thermal Capacity of 180°C.
This type of enamel wire are used in High Power Motors.
6. Polyester or Polyesterimide Overcoated with Polyamide-imide Enamelled Copper Wire.
With thermal capacity of 200°C and diameter range from 0.1mm to 1.6mm , they are
used in Microwave oven, Transformer and Air-conditioning Motors.
7. Polyester Enamelled Round Copper Wire, Class 155. Polyester Enamel wire can be
used in Motors for Household Application and Appliances.
8. Glass-fibre Wound, Polyester or Polyesterimide Varnish-treated, Bare or enamelled
rectangular copper wire, temperature index 180
9. Glass-fibre wound, polyester or polyesterimide varnish-treated, bare or enamelled
rectangular copper wire, temperature index 155
10. Glass-fibre wound, silicone varnish treated bare or enamelled rectangular copper wire,
temperature index 200
11. Polyester Enamelled Round Copper Wire, class 130 L
12. Glass-fibre braided, polyester or polyesterimide varnish-treated, bare or enamelled
rectangular copper wire, temperature index 180
13. Aromatic polymide tape wrapped round copper wires, Class 240
14. Aromatic polyimide tape wrapped rectangular Copper wire, Class 240
13 0.092 2.337 4.29 39 0.005 0.132 0.0137
14 0.080 2.032 3.24 40 0.005 0.122 0.0117
15 0.072 1.829 2.63 41 0.004 0.112 0.0098
16 0.064 1.626 2.07 42 0.004 0.102 0.0082
17 0.056 1.422 1.59 43 0.004 0.091 0.0065
18 0.048 1.219 1.17 44 0.003 0.081 0.0636
19 0.040 1.016 0.811 45 0.003 0.071 0.0557
20 0.036 0.914 0.657 46 0.002 0.061 0.0479
21 0.032 0.813 0.519 47 0.002 0.051 0.0400
22 0.028 0.711 0.397 48 0.002 0.041 0.0322
23 0.024 0.610 0.292 49 0.001 0.030 0.0236
24 0.022 0.559 0.245 50 0.001 0.025 0.0196
25 0.020 0.508 0.203 BASIS : IS 13730-0-1/IEC 317-0-1