Tianjin Ruiyuan Electric Material Co,.Ltd
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Stock Available 0.4mm 2UEW Enameled Copper Wire for Winding Electric Motors
In electric motors, 0.4 mm enameled copper wire has clear advantages. Its consistent diameter and excellent thermal stability allow for even winding, which enhances electromagnetic performance and reduces heat generation. This wire helps produce efficient and durable motor windings that allow the motor to operate at optimal levels while maintaining reliability and longevity.
| Product |
Stock Available 0.4mm 2UEW Enameled Copper Wire for Winding Electric Motors |
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Key word |
Stock Available 0.4mm 2UEW Enameled Copper Wire for Winding Electric Motors |
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Test Item |
Unit |
Standard Value |
Reality Value |
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1st Sample |
2nd Sample |
3rd Sample |
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Appearance |
Smooth & Clean |
OK |
OK |
OK |
OK |
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Conductor Diameter |
0.400± |
0.004 |
0.400 |
0.400 |
0.400 |
OK |
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Thickness of Insulation |
≥ 0.025 mm |
0.032 |
0.033 |
0.032 |
OK |
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Overall Diameter |
≤ 0.437 mm |
0.432 |
0.433 |
0.432 |
OK |
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DC Resistance |
≤ 0.1400 Ω/m |
0.1345 |
0.1354 |
0.1343 |
OK |
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Elongation |
≥ 27 % |
31 |
32 |
30 |
OK |
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Breakdown Voltage |
≥ 2900 V |
4563 |
4132 |
3986 |
OK |
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Pin Hole |
≤ 5 Faults/5m |
0 |
0 |
0 |
OK |
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Continuity |
≤ 25 Faults/30m |
0 |
0 |
0 |
OK |
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Test Items |
Technical Requests |
Results |
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Adhesive |
Coating layer is good |
OK |
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Cut-through |
200℃ 2mins no breakdown |
OK |
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Heat Shock |
175±5℃/30min no crack |
OK |
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Solder Ability |
390± 5℃ 2Sec Smooth |
OK |
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