Products Engineeredfor Electrical Performance

Enamelled round aluminium and copper winding wire in thermal classes 130, 155, 180 and 200.

See it wound.

Enamelled wire laid onto a bobbin, turn by turn and layer by layer.

  • Enamelled aluminium

    0.150 – 1.000 mm (SWG and AWG equivalents)

  • Enamelled copper

    0.060 – 1.000 mm (SWG and AWG equivalents)

Product range

Each product comes in four thermal classes. Open a product and choose a class to see its standards and test values.

  • Spool of enamelled winding wire, tightly wound on a white spool

    Typical applications

    • Fans
    • Air coolers
    • Transformers
    • Home appliances
    Size range
    0.150 – 1.000 mm (SWG and AWG equivalents)
    Thermal classes
    130 · 155 · 180 · 200
    Installed capacity
    5,500 – 6,000 MT / year
    Standards
    IS 13730, IEC 60317, NEMA 1000 (by class)
    Insulation grade
    Grade 2; Grade 2 / Heavy in class 200
    Standard colour
    Brownish
    Tolerance
    Bare diameter 0.001 – 0.003 mm; overall diameter 0.003 – 0.007 mm
    Spool types
    PT-4, PT-15, PT-18, PT-25
    Packing
    Polythene wrapper
    Lead time
    5 – 7 days

    Thermal class

    Enamelled Aluminium Winding Wire: specification and technical test values for each thermal class
    PropertyClass 130Single coatClass 155Single coatClass 180Single coatClass 200Dual coat
    Specification
    Specification standardIS 13730 Part 9, IEC 60317-9IS 13730IS 13730 Part 15, IEC 60317-15IS 13730 Part 25, IEC 60317-25, NEMA 1000 – 35A / 73A
    Chemical base of base coatPolyesterModified polyesterPolyesterimidePolyesterimide
    Chemical base of top coat———Polyamideimide
    Range of wire size0.150 – 1.000 mm0.150 – 1.000 mm0.150 – 1.000 mm0.234 – 1.000 mm
    Insulation gradeGrade 2Grade 2Grade 2Grade 2 / Heavy
    Standard colourBrownishBrownishBrownishBrownish
    Technical tests
    FlexibilityGoodGoodGoodVery good
    Coefficient of friction5.5° max.5.5° max.5.5° max.5.5° max.
    Elongation20% min.20% min.20% min.20% min.
    AdherenceGoodGoodGoodVery good
    Pin-hole testMax. 5 faults / 30 mMax. 5 faults / 30 mMax. 5 faults / 30 mMax. 5 faults / 30 m
    Heat shock test155 °C175 °C200 °C220 °C
    Cut-through test240 °C270 °C300 °C320 °C
    Tan-delta bending point100 – 120°140 – 160°180 – 200°170 / 220°
  • Spool of enamelled copper winding wire on a black plastic spool

    Typical applications

    • Fans
    • Air coolers
    • Transformers
    • Home appliances
    Size range
    0.060 – 1.000 mm (SWG and AWG equivalents)
    Thermal classes
    130 · 155 · 180 · 200
    Installed capacity
    1,500 – 1,800 MT / year
    Standards
    IS 13730, IEC 60317, NEMA 1000 (by class)
    Insulation grade
    Grade 2
    Standard colour
    Brownish
    Tolerance
    Bare diameter 0.001 – 0.003 mm; overall diameter 0.003 – 0.007 mm
    Spool types
    PT-4, PT-15, PT-18, PT-25
    Packing
    Polythene wrapper
    Lead time
    5 – 7 days

    Thermal class

    Enamelled Copper Winding Wire: specification and technical test values for each thermal class
    PropertyClass 130Single coatClass 155Single coatClass 180Single coatClass 200Dual coat
    Specification
    Specification standardIS 13730 Part 34, IEC 60317-34IS 13730 Part 3, IEC 60317-3, NEMA 1000 – 5CIS 13730 Part 8, IEC 60317-8, NEMA 1000 – 30CIS 13730 Part 13, IEC 60317-13, NEMA 1000 – 35C / 73C
    Chemical base of base coatPolyesterModified polyesterPolyesterimidePolyesterimide
    Chemical base of top coat———Polyamideimide
    Range of wire size0.060 – 1.000 mm0.060 – 1.000 mm0.060 – 1.000 mm0.234 – 1.000 mm
    Insulation gradeGrade 2Grade 2Grade 2Grade 2
    Standard colourBrownishBrownishBrownishBrownish
    Technical tests
    FlexibilityGoodGoodGoodVery good
    Coefficient of friction5.5° max.5.5° max.5.5° max.5.5° max.
    Elongation30% min.30% min.30% min.30% min.
    AdherenceGoodGoodGoodVery good
    Pin-hole testMax. 5 faults / 30 mMax. 5 faults / 30 mMax. 5 faults / 30 mMax. 5 faults / 30 m
    Heat shock test155 °C175 °C200 °C220 °C
    Cut-through test240 °C270 °C300 °C320 °C
    Tan-delta bending point100 – 120°140 – 160°180 – 200°170 / 220°

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