AIW-220 Rectangular Enameled Copper Wire – Class 220 Polyamide-Imide Insulation
$30.00 per kg
100,000.00 kg in stock
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AIW-220
Rectangular Enameled Copper Wire – Class 220 Polyamide-Imide Insulation, High Copper Fill Factor for EV & High-Efficiency Coils
AIW-220 is a premium rectangular enameled copper wire featuring polyamide-imide (PAI) insulation – Class 220, specifically engineered for high-density windings where space efficiency and thermal performance are critical.
Compared to traditional round wires, the rectangular cross-section maximizes copper fill within a given slot or window – achieving 20-30% higher copper density – significantly reducing I²R losses and improving motor efficiency. The polyamide-imide insulation offers excellent thermal stability, chemical resistance, and mechanical strength for demanding applications.
With a thermal class of 220°C (Class N), heat shock resistance up to 240°C, and a cut-through temperature exceeding 320°C, AIW-220 delivers exceptional performance in electric vehicle traction motors, dry-type transformers, and high-frequency inductors.
Key Features & Benefits
20-30% more copper in the same winding area compared to round wire – lower I²R losses and improved motor efficiency.
Excellent thermal stability with cut-through temperature ≥320°C, ideal for harsh operating conditions and high-voltage applications.
Available in Grade 1 (Single Build), Grade 2 (Heavy Build), and Grade 3 (Triple Build) for flexible dielectric strength selection.
Excellent shape retention and winding stability for edge-wound coils and automated forming processes.
High breakdown voltage and stable insulation resistance across a wide temperature range (-40°C to 220°C).
Meets GB/T 6109.20-2008, IEC 60317-13, and NEMA MW 35-C standards.
Product Parameters
| Model Number | Conductor Material | Thermal Class | Insulation Material | Cross-Section (mm²) | Film Grade |
|---|---|---|---|---|---|
| AIW-1/220 | Copper | 220 | Polyamide-Imide (PAI) | 0.0125 – 25 | 1 (Single Build) |
| AIW-2/220 | Copper | 220 | Polyamide-Imide (PAI) | 0.0125 – 25 | 2 (Heavy Build) |
| AIW-3/220 | Copper | 220 | Polyamide-Imide (PAI) | 0.0125 – 25 | 3 (Triple Build) |
💡 Key Technical Data: Heat Shock: 240°C · Cut-through Temperature: 320°C · Standards: GB/T 6109.20, IEC 60317-13, NEMA MW 35-C
※ Custom cross-sections and film grades are available upon request. Aluminum and CCA versions also available.
Dimensional Specifications (Grade 2 / Heavy Build – Representative Sizes)
以下为Grade 2代表性尺寸。Grade 1和Grade 3可应要求提供。完整尺寸表（0.0125–25 mm²）请联系我们索取。
| a × b (mm) | Tolerance (mm) | Min. Film Build Gr.2 (mm) | Max. Outer Dimension (mm) | Breakdown Voltage (Min) |
|---|---|---|---|---|
| 1.00 × 2.00 | ±0.03 / ±0.05 | 0.045 | 1.10 × 2.10 | ≥ 2800V |
| 1.20 × 2.50 | ±0.03 / ±0.05 | 0.050 | 1.32 × 2.62 | ≥ 3300V |
| 1.50 × 3.00 | ±0.04 / ±0.06 | 0.050 | 1.62 × 3.12 | ≥ 3500V |
| 1.80 × 4.00 | ±0.04 / ±0.06 | 0.055 | 1.93 × 4.13 | ≥ 4000V |
| 2.00 × 5.00 | ±0.04 / ±0.07 | 0.055 | 2.14 × 5.14 | ≥ 4500V |
| 2.50 × 6.30 | ±0.05 / ±0.08 | 0.060 | 2.65 × 6.45 | ≥ 5000V |
| 3.00 × 8.00 | ±0.06 / ±0.10 | 0.065 | 3.18 × 8.18 | ≥ 5500V |
※ Full dimensional table including all cross-sections from 0.0125 mm² to 25 mm² is available upon request. Corner radius can be tailored.
Typical Applications
AIW-220 rectangular wires are widely used in applications requiring high copper fill factor and superior thermal performance:
Product Gallery
【图片占位 1 – 扁线产品图】
建议放置：AIW-220扁铜漆包线产品实拍图（展示矩形截面、线轴、线圈样品）
尺寸建议：1200×800px，居中显示
Manufacturing Facilities
【图片占位 2 – 工厂车间】
建议放置：扁线生产车间实拍图（扁线专用生产线、激光测径仪、检测设备）
尺寸建议：1200×600px
Packaging & Transportation
【图片占位 3 – 包装线轴】
建议放置：扁线专用线轴实拍图或包装示意图（PL系列/P系列线轴）
| Spool Type | d1 (mm) | d4 (mm) | l1 (mm) | l2 (mm) | Spool Weight (g) | Net Wire Weight (kg) | Spools per Box |
|---|---|---|---|---|---|---|---|
| PL-1 | 80 | 20 | 120 | 100 | 240 | 0.5 | 8 |
| PL-4 | 125 | 25 | 190 | 160 | 860 | 4 | 4 |
| P-5 | 160 | 20 | 114 | 90 | 290 | 4 | 4 |
| P-10 | 200 | 25 | 134 | 110 | 500 | 8 | 2 |
| P-30 | 300 | 31 | 160 | 130 | 1290 | 25 | 1 |
| PC400 | 400 | 52 | 260 | 224 | 2500 | 60 | 1 |
Why Choose CHINGCUNG for AIW-220 Rectangular Wires?
- Dedicated Rectangular Wire Production – Specialized production lines with in-line dimension laser gauges and automatic concentricity control.
- Comprehensive Film Grades – Grade 1, Grade 2, and Grade 3 available to meet varying dielectric strength requirements.
- Global Compliance – Strict adherence to GB/T 6109.20-2008, IEC 60317-13, and NEMA MW 35-C standards.
- Flexible MOQ – Sample orders (10-20 kg) welcome for qualification testing; bulk orders supported with 15-20 working days lead time.
- Logistics Advantage – Located in Shanghai with strategic freight partners for efficient global delivery (Air/Sea/Express).
- Engineering Support – Free DFM feedback for customized profiles, hybrid insulation, and custom film builds.
Get a Quote
Need AIW-220 rectangular wire for your high-efficiency winding application?
Contact our engineering team for free samples, technical datasheets, or a customized quotation with your specific dimensions.
📩 Request a Sample
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📞 Tel: +86-13621982708 | 🌐 www.chingcung.com
| Material | Copper |
|---|---|
| Model Number | AIW-T*W |
| Color | Natural |
| Applicable | Heating, Transformer, Motor |
| Size | 0.0125–25 mm² |
| Packing | Plastic Spools, Cartons, Pallets |
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