0.28mm Class155 Enameled Copper Winding Wire For Motor
Our enamelled copper wire has a diameter of 0.28mm and is an example of the high quality material we offer.
The wire is coated with a layer of UEW insulation, ensuring excellent insulation properties. Its heat resistance reaches 155 degrees Celsius, providing best-in-class thermal resistance, which is critical for the harsh conditions within motor windings.
Product |
0.28mm Class155 Enameled Copper Winding Wire For Motor |
Key word |
0.28mm Class155 Enameled Copper Winding Wire For Motor |
Test Items |
Requirements |
Test Data | ||
1st Sample | 2nd Sample | 3rd Sample | ||
Appearance | Smooth & Clean | OK | OK | OK |
Conductor Diameter |
0.280mm ±0.004mm |
0.281 |
0.281 |
0.281 |
Thickness of Insulation | ≥ 0.025 mm | 0.031 | 0.030 | 0.030 |
Overall Diameter | ≤ 0.316mm | 0.312 | 0.311 | 0.311 |
DC Resistance | ≤ 0.288Ω/m | 0.2752 | 0.2766 | 0.2755 |
Elongation | ≥ 23% | 34.7 | 32.2 | 33.5 |
Breakdown Voltage | ≥2300V | 5552 | 5371 | 5446 |
Pin Hole | ≤5(faults)/5m | 0 | 0 | 0 |
Adherence | No cracks visible | OK | OK | OK |
Cut-through | 200℃ 2min No breakdown | OK | OK | OK |
Heat Shock | 175±5℃/30min No cracks | OK | OK | OK |
Solderability | 390± 5℃ 2 Sec No slags | OK | OK | OK |
Insulation Continuity | / | / | / | / |