0.4mm Black Color Triple Insulated Copper Wire
The wire is widely used in high voltage transformer, as the Min.Breakdown voltage is 6000v. Here is the test report of 0.40mm black color triple insulated wire
Today we bring you a customized 0.40mm black color triple insulated wire, same structure with yellow color triple insulated wire, however each layer is black

Characteristics | Test Standard | Conclusion |
Bare Wire Diameter | 0.40±0.01MM | 0.399 |
Overall Diameter | 0.60±0.020MM | 0.599 |
Conductor Resistance | MAX: 145.3Ω/KM | 136.46Ω/KM |
Breakdown voltage | AC 6KV/60S no crack | OK |
Elongation | MIN:20% | 33.4 |
Solder ability | 420±10℃ 2-10Secs | OK |
Conclusion | Qualified |
We know in some industries, that need many different colors to distinguish during winding, therefore here are many other colors options: Red, Green, Pink,Blue etc, most color can be customized with low MOQ 51000meters that is the lowest in the industry,and lead time is about two weeks.
1.Size range 0.12mm-1.0mm Class B/F stock are all available
2.Low MOQ for normal triple insulated wire, Low to 2500meters
3.Low MOQ for customized color: 51000meters
4.Fast delivery: 2days if stock is available, 7days for yellow color, 14days for customized colors
5.High reliability: UL,RoHS, REACH, VDE almost all the certificates are available
6.Market Proven: Our triple insulated wire are mainly sold to European customers whom provide their products to very famous brands
7.Free sample 20meters is available

Triple Insulated Wire
1.Production standard range:0.1-1.0mm
2.Withstand voltage class, class B 130℃, class F 155℃.
3.Excellent withstand voltage characteristics, breakdown voltage greater than 15KV, obtained reinforced insulation.
4.No need to peel off the outer layer can be direct welding, solder ability 420℃-450℃≤3s.
5.Special abrasive resistance and surface smoothness, staticfriction coefficient ≤0.155, the product can meet the automatic winding machine high-speed winding.
6.Resistant chemical solvents and impregnated paint performance, Rating voltage Rated voltage(working voltage)1000VRMS, UL.
7.High strength insulation layer toughness, repeated bending strethc, the insulation layers will not crack damage.