Enameled round copper wire is a type of magnet wire made from high-purity electrolytic copper conductor coated with a uniform insulating enamel layer. It is designed for electrical and electromagnetic applications where efficient conductivity, reliable insulation, and compact winding are required.
Dimension: Φ0.016~7.0 mm
Main materials: Oxygen-free copper rods
Thermal Class：120(Class E);180 (Class H);200 (Class C);220 (Class C+); 240(Class HC)
Insulation thickness：G1;G2;G3
Certificate：UL
Standard：IEC,NEMA,GB,JIS
Packing：PT-4~PT-200 or ply-wood spool
Features:
1. Excellent adhesion with superior oil resistance and strong tolerance to sudden short-circuit conditions.
2. Manufactured using high-quality electrolytic copper rods (Cu ≥ 99.99%), providing stable nominal resistance and outstanding electrical conductivity.
3. Available in PT60, PT90, and PT200 large-capacity packaging options, minimizing the number of joints and improving efficiency in continuous winding operations.
4. Double-layer composite packaging combined with advanced die/mold and felt enameling processes ensures uniform coating, enhanced insulation integrity, and long-term durability.
5. Wide range of thermal classes (130°C–220°C), suitable for various applications from household appliances to high-temperature industrial motors and EV systems.
6. Smooth wire surface and uniform round geometry enable excellent winding performance, reducing friction.
7. High mechanical strength and flexibility prevent cracking during bending and winding.
8. Compliance with international standards such as IEC, NEMA, JIS, and GB, ensuring global compatibility, reliable quality assurance, and acceptance in international markets.
Applications：
1. Power Transformers:Enameled round copper wire is widely used in power transformer windings to ensure efficient voltage conversion and low energy loss.
2. Electric Motors (Industrial & EV): It is a core material for motor windings in industrial equipment and electric vehicles, providing high conductivity and stable electromagnetic performance.
3. Distribution Transformers: In distribution systems, the wire ensures stable and efficient power delivery from substations to end users.
4. Inductors & Coils: Enameled round copper wire is ideal for inductors and coil components due to its precise diameter and uniform insulation.5. Renewable Energy Systems: It is widely used in solar inverters and wind power equipment to support efficient energy conversion.