Premium Enamelled Copper Wires
High-performance round & flat wires for motors, transformers and electronics. Temperature classes 130°C to 220°C with custom AWG/MM sizing.
Product Overview
Advanced Enamelled Copper Solutions
Our premium enamelled copper wires are engineered for superior performance in demanding electrical applications. Available in both round and flat configurations, our products meet the highest industry standards for insulation integrity and thermal stability.
With temperature ratings ranging from 130°C to 220°C, our wires are suitable for applications requiring exceptional thermal endurance, from automotive systems to industrial motors and transformers.
High-Temperature Resistance
Designed to withstand extreme operating conditions
Multi-Layer Insulation
Enhanced dielectric strength and durability
Quality Assurance
ISO-certified manufacturing processes
Precision Sizing
Custom AWG and MM sizes available
Temperature Classes
Class | Max Temp (°C) | Insulation Types | Applications |
---|---|---|---|
130 | 130 | Polyvinyl Acetal, Polyurethane | Small transformers, relays |
155 | 155 | Modified Polyester, Polyesterimide | HVAC motors, power tools |
180 | 180 | Polyesterimide, Polyamide-imide | Automotive motors, hermetic compressors |
200 | 200 | Polyimide, Polyesterimide overcoats | Industrial motors, aerospace |
220 | 220 | Polyimide, Solderable Polyimide | High-density windings, EV motors |
Customization Options
AWG/MM Sizing
Precision manufacturing from AWG 50 (0.025mm) to AWG 4 (5.19mm) with tolerance ±0.002mm
Multi-Layer Insulation
Dual/triple coatings with combinations like Polyester + Polyamide-imide for enhanced performance
Special Coatings
Self-lubricating, adhesive, and corona-resistant coatings for specialized applications
Key Applications
Electric Vehicles
High-temp wires for traction motors and charging systems
Wind Turbines
Corona-resistant insulation for generator windings
Transformers
Precision flat wires for compact power transformers
Industrial Motors
180-220°C wires for harsh operating environments
Technical Specifications
Round Wire Specifications
- Diameter Range0.05mm - 5.0mm
- Conductor MaterialCopper (Cu-ETP)
- Insulation ThicknessGrade 1, 2, 3
- Dielectric Strength≥ 7000 VAC
- Elongation≥ 35%
- StandardsIEC 60317, NEMA MW1000
Flat Wire Specifications
- Width Range2mm - 16mm
- Thickness Range0.5mm - 5.0mm
- Edge Radius≤ 0.4 × thickness
- Thermal Shock220°C for 30 min
- Cut-through Strength≥ 200 N
- StandardsIEC 60317, JIS C3202
Our Certifications
ISO 9001:2015
Quality Management System
IEC 60317
International Standards
UL Certification
Safety Compliance
RoHS Compliant
Environmental Standards
Production & Delivery

Enamelled Copper Wire AWG Solutions:
Stock Availability & Custom Manufacturing
Enamelled copper wires in most AWG sizes are readily available. Special sizes can be customized with a lead time of 7-10 days for orders up to 500 tons. All products undergo stringent quality control to ensure compliance with international standards.
Advanced Packaging & Logistics for Enamelled Copper Wires:
Secure Global Delivery Solutions
Enamelled copper wires are meticulously packaged in industry-standard plastic or wooden spools (PT-series, D400) with customizable specifications to prevent damage during transit. Orders ship globally via secure logistics with export-ready carton-and-pallet systems, ensuring compliance with IEC/ISO standards. All shipments undergo pre-delivery quality inspections for guaranteed performance integrity.

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Enameled copper wire consists of a pure copper core coated with a thin layer of insulation (typically polyesterimide or polyamide-imide). The enamel coating acts as an electrical insulator while maintaining flexibility, allowing the wire to be tightly wound into coils without short-circuiting. This insulation also provides:
High-temperature resistance(up to 220°C for industrial motors)
Corona resistance for high-voltage applications like wind turbine generators
Direct solderability without stripping the coating, ideal for circuit board repairs
Its core advantage lies in balancing conductivity (coppe’s low resistance) and durability, making it essential for transformers, motors, and electromagnetics
Enameled copper wire is versatile across industries due to its compact design and thermal stability:
Electronics & Repair: Used in fly wires for motherboard repairs (0.1mm diameter), sensors, and relays.
Energy Systems: Wind turbine generator windings (corona-resistant), transformer coils (compact power efficiency).
Industrial Machinery: Electric vehicle traction motors, industrial motors (180–220°C environments), and automotive wiring harnesses.
DIY & Crafts: Jewelry making and model building (thin gauges like 0.04–0.31mm).
Applications prioritize minimal energy loss, heat dissipation, and space-saving designs.
Current Requirements:
Thicker wires (e.g., 0.5–2.0mm) handle higher currents in motors/transformers.
Thin gauges (0.04–0.2mm) suit low-current electronics like sensors.
Temperature Rating:
Standard polyesterimide: 155°C (e.g., household appliances).
Polyamide-imide: 220°C (industrial motors).
Insulation Type:
Use polyamide-overcoated wires for harsh environments (abrasion resistance).
Always verify specifications (e.g., IEC 60317 standards) and consult wire gauge calculators for precision.