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Help CenterRectangular Enameled Aluminum Wire for Motor and Generator Coils
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Shandong Huilong Electrical Material Co., Ltd., established in 1970 with over 50 years of manufacturing excellence, specializes in premium rectangular enameled aluminum wire engineered specifically for motor and generator coils. Our 10,000-30,000 sqm facility combines advanced production technologies with strict quality protocols to deliver wires that enhance energy efficiency and reduce operational costs. Backed by ISO9001 and TS16949 certifications, we supply globally recognized manufacturers across 15+ international markets.
This wire solution offers superior space utilization in winding applications while maintaining exceptional electrical performance. The rectangular cross-section provides up to 95% fill factor in slots – significantly higher than round wires – enabling more compact motor designs and improved heat dissipation.
Technical Advantages:
- High-purity aluminum core (≥99.6%) ensures optimal conductivity
- Multi-layer enamel insulation resistant to chemicals, moisture, and thermal stress
- Customizable dimensions from 2mm-20mm width and 4mm-50mm height
- Voltage endurance up to 5kV depending on insulation thickness
- Compatible with automatic winding machinery for mass production
Performance Specifications:
| Property | Standard Range | Custom Options |
| Temperature Rating | Class F (155°C) | Class H (180°C) |
| Insulation Thickness | Grade 1 (0.06-0.11mm) | Grade 2 or 3 |
| Conductivity | ≥61% IACS | Alloy modifications |
| Elongation | ≥15% | Controlled soft/hard temper |
Clients report 18-22% weight reduction compared to copper windings and 12-15% cost savings in high-volume production. The enamel coating demonstrates excellent adhesion during bending operations, minimizing insulation damage during coil insertion. Our proprietary annealing process ensures consistent mechanical properties throughout each batch.
Leveraging our US$100M+ annual export experience and presence across North America, Europe, and Asia, we guarantee material traceability and on-time delivery from Qingdao/Shanghai ports. All products undergo:
- Dimensional tolerance checks (±0.02mm)
- Continuity testing at 2x operating voltage
- Thermal cycling validation
- Salt spray corrosion resistance verification
With certifications including ISO14000 and OHSAS18001, we maintain environmentally responsible manufacturing. Contact our engineering team for application-specific solutions – we provide samples within 7 working days and support prototype development.
Frequently Asked Questions:
Q: Can this replace copper windings in existing designs?
A: Yes, with proper cross-section adjustment due to aluminum's higher resistivity. We provide conversion guidance.
Q: What's the minimum order quantity?
A: Standard MOQ is 500kg, but trial batches of 50kg are available for new partners.
Q: How does temperature class affect performance?
A: Higher classes (e.g., Class H) use polyimide-based enamel for better thermal endurance in demanding applications.
Q: Do you provide custom packaging?
A: Wooden spools are standard, but we offer plastic reels, vacuum sealing, or ESD-safe packaging upon request.
Q: What quality documentation accompanies shipments?
A: All shipments include test certificates with dimensional reports, conductivity measurements, and insulation resistance data.
Q: Can you match specific industry standards?
A: We regularly produce wires meeting IEC 60317, NEMA MW1000, and JIS C3202 specifications.
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