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1 Fiberglass wrapped wire has high mechanical properties and overload ability as well as wet/heat resisting features and good technological performers.
2 the product is used as winding material for making large motor,DC motor,generator,dry transformer and large-scale movable subtraction etc.
3 Thickness of enamel: According to customer`s request
Size and tolerance
Main material: CCC Chilean copper flat wire Cu-CATH Cu+Ag≥99.95% Executed Standard GB/T 467 | Nominal size a mm | Tolerance mm | Nominal size b mm | Tolerance mm |
a ≤1.70 | -0.01~+0.03 | b ≤3.15 | -0.01~+0.03 | |
1.70<a ≤3.15 | -0.02~+0.02 | 3.15<b ≤6.30 | -0.03~+0.03 | |
3.15<a ≤4.50 | -0.03~+0.03 | 6.30<b ≤12.50 | -0.03~+0.05 | |
4.50<a ≤7.10 | -0.04~+0.04 | 12.50<b ≤16.00 | -0.05~+0.07 |
Technical requirements
Appearance | The coating should be even, in same colour, no defects | |
The maximal outlined dimension | Max a≤ Nominal max a+ Nominal insulation max Max b≤ Nominal max b+ Nominal insulation max | |
Resistivity | Copper conductor: ≤0.017241Ω•mm2/m | |
Elongation rate | Nominal dimension a,mm | Elongation rate,% |
a≤2.50 | 30 | |
a>2.50 | 32 | |
Resilience | Nominal dimension,mm | Drawing,% |
a<2.5 | 15 | |
a≥2.5 | 10 | |
Breakthrough voltage | Nominal thickness of insulation,mm | Breakthrough voltage,V |
Class 2 GL1 | 1500V | |
Thermal index 155 single fiberglass wrapped enamel wrapped flat copper wire