Enamelled Copper 0.1–3.0mm Coil Winding Wire for Making Electromagnet Motor
Enamelled copper coil winding wire is an essential material for manufacturing electromagnets, electric motors, transformers, and generators.
With a wire diameter range from 0.1mm to 3.0mm, it offers the right balance between conductivity, insulation strength, and flexibility — making it suitable for both small precision coils and large industrial windings.
🔹 What Is Enamelled Copper Wire?
Enamelled copper wire (also known as magnet wire) is a high-purity copper conductor coated with a thin layer of insulating enamel.
This enamel layer protects the wire from short circuits while allowing dense, efficient winding in compact electrical components.
Unlike bare copper, enameled wire provides excellent electrical insulation, heat resistance, and mechanical durability, which are critical for high-speed and high-efficiency motor operation.
🔹 Specifications
| Property | Description |
|---|---|
| Wire Diameter Range | 0.10 mm – 3.00 mm |
| Conductor Material | 99.97% Pure Copper |
| Insulation Types | Polyurethane (UEW), Polyesterimide (EIW), Polyimide (PI), Dual-Coat (EI/AIW) |
| Thermal Classes | 130°C, 155°C, 180°C, 200°C |
| Standards | IEC 60317, JIS C3202, UL, ISO9001, RoHS |
| Color | Natural Copper / Red / Custom |
| Form | Round or Flat Wire (customized available) |
🔹 Key Features & Advantages
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High Conductivity
Made from oxygen-free copper for maximum current flow and low energy loss. -
Excellent Thermal Resistance
Withstands temperatures up to 200°C, ensuring safe operation in continuous-duty motors. -
Strong Insulation Coating
The enamel layer provides superior resistance to heat, chemicals, and abrasion. -
Smooth Surface & Uniform Diameter
Ideal for automated coil winding — ensuring tight, consistent layers with no insulation damage. -
Flexible & Durable
Maintains flexibility for hand or machine winding, yet resists cracking or peeling under tension.
🔹 Applications
Enamelled Copper Coil Winding Wire (0.1–3.0mm) is used across a wide range of electrical and electromagnetic applications, including:
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Electromagnets for lifting, robotics, and control systems
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AC/DC Motors and Generators
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Transformers and Inductors
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Relays, Solenoids, and Sensors
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Voice Coils and Audio Equipment
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Electric Tools, Compressors, and Fans
For electromagnet manufacturing, the wire’s combination of high current capacity and strong insulation ensures reliable magnetic field generation with minimal heat loss.
🔹 Why Choose Copper Over Aluminum?
While aluminum wire offers a lower cost, copper enameled wire delivers superior overall performance:
| Feature | Copper | Aluminum |
|---|---|---|
| Conductivity | 100% (IACS Standard) | ~61% of copper |
| Strength | Higher tensile and mechanical strength | Lower |
| Thermal Resistance | Excellent | Moderate |
| Durability | Long lifespan | Shorter lifespan |
| Application | Precision motors, electromagnets | Low-cost windings |
That’s why pure copper wire remains the preferred choice for electromagnet and motor coil production worldwide.
🔹 Manufacturing & Quality Control
At Zhengzhou Lanpu Industrial Co., Ltd., each spool of enamelled copper wire undergoes strict quality testing, including:
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Diameter accuracy and roundness check
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Breakdown voltage test
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Adhesion and elongation tests
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Thermal shock and flexibility inspection
We guarantee:
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Smooth, defect-free coating
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Consistent insulation thickness
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Certified compliance with ISO, UL, CE, Reach, and RoHS standards
🔹 About Zhengzhou Lanpu Industrial Co., Ltd.
Zhengzhou Lanpu Industrial Co., Ltd. is a professional manufacturer of enameled copper and aluminum magnet wires for industrial and electronic use.
With over 30 years of production and export experience, we serve customers in more than 60 countries worldwide.
Our capabilities include:
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Full wire range from 0.03mm to 5.0mm
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High-temperature (Class 180–220) insulation options
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Custom coil wire packaging (spools, rolls, 5kg–100kg)
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OEM/ODM support for motor and transformer manufacturers
We provide comprehensive technical support to help clients select the right wire type and thermal class for their electromagnet or motor design.
✅ Conclusion
Enamelled Copper 0.1–3.0mm Coil Winding Wire is the foundation of high-efficiency electromagnet and motor construction.
Its combination of pure copper conductivity, reliable enamel insulation, and excellent thermal performance ensures maximum magnetic strength, safety, and service life.
Whether for industrial electromagnets, precision motors, or transformer coils, choosing high-quality enameled copper wire means building devices that last longer, perform better, and run cooler.
