LP Industry manufactures enameled round aluminum wire with diameter from 0.16 mm to 9.2 mm for transformers, motors, generators, inductors and industrial winding applications. Compared with copper magnet wire, aluminum winding wire offers lower weight and better cost efficiency, making it suitable for large coils and equipment where weight reduction and budget control are important. Custom enamel insulation, thermal class, wire diameter, spool size and packaging are available according to IEC, NEMA, JIS and GB standards.
What is enameled round aluminum wire?
Enameled Round Aluminum Wire also known as magnet round aluminum wire or enameled aluminum round wire is a popular type of aluminum winding wire used in various electrical applications, including transformers, motors, and generators. This type of wire is made by coating a round aluminum wire with a thin layer of insulation called enamel.
Technical diameter (awg/swg 4-28 is hot sale magnet wire )
| Item | Specification |
| Product Name | Enameled Round Aluminum Wire / Aluminum Magnet Wire |
| Conductor | Oxygen-free aluminum / electrical aluminum rod |
| Shape | Round |
| Diameter | 0.16 mm – 9.2 mm |
| Wire Gauge | AWG / SWG custom available |
| Insulation | Polyester, polyesterimide, polyamide, modified polyesterimide, polyamide-imide |
| Thermal Class | 105°C, 120°C, 155°C, 180°C, 200°C, 220°C, 240°C |
| Insulation Build | Grade 1, Grade 2, single build, heavy build, according to clients’ requirements |
| Standards | IEC 60317, NEMA MW 1000, JIS C3202, GB |
| Certificate | UL, ISO, RoHS, REACH |
| MOQ | 500 kg, or confirm by size |
| Packing | 30-150 kg plastic / plywood spool, pallet or plywood case |
| Applications | Transformers, motors, generators, inductors, compressors, coils |
Applications of Enameled Round Aluminum Wire
- Transformer windings
- Motor coils
- Generators
- Inductors and reactors
- Dry-type transformers
- Cast resin transformers
- Compressors and fan motors
- TV degaussing coils
- Electrical equipment coils, etc.
How to pack the enameled round aluminum wire?
The LP industry utilizes composite material / plywood reels or wooden spools; common specifications include PT60 and PT90, with a wire weight of 30–150 kg per reel.
Outer packaging: Pallets or plywood cases, suitable for sea transport.
| Reel Type | Range of Dimeter( mm) | Weight of Wire Spool (KG for Aluminum wire) | Diameter (mm) | |||||
| D1：Top Flange | D2：Bottom Flange | d1：Top Core | d2：Bottom Core | W | h(d3)：Center bore | |||
| PT-10 | 0.1~0.3 | 3~5 | 160±0.3 | 180±0.3 | 96±0.5 | 110±0.5 | 200±0.4 | 30±0.5 |
| PT-15 | 0.1~0.6 | 5~8 | 180±0.3 | 200±0.3 | 96±0.5 | 110±0.5 | 200±0.4 | 30±0.5 |
| PT-25 | 0.2~3.0 | 10~12 | 215±0.3 | 230±0.3 | 110±0.5 | 130±0.5 | 250±0.4 | 32±0.5 |
| PT-30 | 0.2~3.0 | 12~15 | 245±2.0 | 225±2.0 | 100±1.0 | 120±0.5 | 250±2.0 | 33±0.5 |
| PT-60 | 0.2~3.0 | 20~25 | 269±0.8 | 296±0.8 | 150±0.8 | 178±0.8 | 350±1.0 | 45±0.5 |
| PT-90 (A315) | 1.2~3.5 | 45~50 | 300±2.0 | 315±2.0 | 180±1.0 | 200±1.0 | 425±2.0 | 100±0.5 |
| PT-200 (A400) | 1.2~3.5 | 55~60 | 375±2.0 | 400±2.0 | 225±1.0 | 250±1.0 | 530±2.0 | 100±0.5 |
| PT-270 | 1.2~3.5 | 75~80 | 435±2.0 | 460±2.0 | 225±1.0 | 280±1.0 | 528±2.0 | 100±0.5 |
| 250*400 MDF wooden | 3.0~6.0 | 25~35 | 400±2.0 | 400±2.0 | 210±1.0 | 280±1.0 | 250±2.0 | 100±0.5 |
| 250*500 MDF wooden | 3.0~6.0 | 40~60 | 500±2.0 | 500±2.0 | 210±1.0 | 210±1.0 | 250±2.0 | 60±0.5 |
| 250*600 MDF wooden | 3.0~8.0 | 80~100 | 600±2.0 | 600±2.0 | 210±1.0 | 210±1.0 | 250±2.0 | 60±0.5 |
| 250*730 MDF wooden | 3.0~8.0 | 90~130 | 730±2.0 | 730±2.0 | 210±1.0 | 210±1.0 | 250±2.0 | 60±0.5 |
| 250*730 MDF wooden | 3.6~8.0 | 110~140 | 730±2.0 | 730±2.0 | 210±1.0 | 210±1.0 | 250±2.0 | 60±0.5 |
| 500*500 MDF wooden | 1.0~8.0 | 100~120 | 500±2.0 | 500±2.0 | 210±1.0 | 210±1.0 | 500±2.0 | 60±0.5 |
Why Choose Enameled Round Aluminum Wire?
Lightweight: Reduces coil and equipment weight by approximately 60–70% compared with copper solutions.
Cost Saving: Provides a more economical winding solution while maintaining reliable electrical performance.
Energy-Efficient Design: Optimized conductor sizing delivers comparable resistance performance with reduced overall weight.
Good Corrosion Resistance: Natural oxide protection and proper insulation ensure long service life.
Wide Application Range: Suitable for transformers, motors, inductors, and renewable energy systems.
How to Choose Enameled Round Aluminum Wire
Choose the wire diameter according to current load, coil space and resistance requirements.
For general motor and transformer windings, thermal class 155°C or 180°C is commonly used.
For high-temperature applications, class 200°C, 220°C or 240°C insulation systems are recommended.
If replacing copper wire with aluminum wire, the conductor diameter usually needs to be increased to achieve similar electrical performance.
Can Enameled Aluminum Wire Replace Copper Wire?
Enameled aluminum wire can replace copper wire in some applications where weight reduction and cost control are important. Because aluminum has lower conductivity than copper, the conductor diameter usually needs to be increased to achieve similar electrical performance. For high-current or compact winding designs, copper wire may still be the better choice.
Need Custom Enameled Round Aluminum Wire?
Send us your diameter, thermal class, insulation build, application, quantity and packaging requirement. Our team will recommend the suitable aluminum magnet wire specification for your project.
