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Brand Name : Rvyuan
Certification : IEC/NEMA/JIS/RoHS/ISO
Place of Origin : China
MOQ : Different types with differet MOQ
Price : Negotiation
Payment Terms : Negotiation, T/T, L/C
Supply Ability : Satisfy your demand
Delivery Time : 2-15 workding days
Packaging Details : Spool with carton
Model Number : 0.68 / 7*19
Insulation : Paper
Diameter : 0.68/7*19
Color : White
Material : Copper
Thermal Class : 130/155/180/200/220
Certificates : ROHS/UL/SGS/ISO9001:2008
Breakdown Voltage : Over 3KV
CUSTOMERIZED 0.68/7*19 PAPER UNSULATION COVERED LITZ COPPER WIRE ENAMELED MAGNET WIRE FOR TRANSFORMER
Here are three types:
1.Paper insulated polyvinyl-acetal enameled Continuously Transposed copper wire
2.Paperless Insulated Netting-type Continuously Transposed copper wire
3.Heat Resistant Continuously Transposed enameled copper wire
FEATURES
Reduce additional circulation current loss
Eddy-current loss caused by leaking magnet field
Improve the mechanical strength of coil
APPLICATION
Coil winding of large oil-immersed power transformer and reactor, large capacity dry type transformers.
SPECIFICATION
Test Item | Technical Requirement | Test Result | ||
Appearance | Bare Stranded Wire | Smooth Surface, no scratch, oil pollution, oxide layer or glitch, strand should be close and tidy and no broken strand or missing strand | Qualified | |
Paper Cover | Paper cover should be tight and uniform, smoothly winded on the bare stranded wire. No cracking, wrinkle, and leaking | Qualified | ||
Size | Dia. of stranded wire | 10.00-10.20mm | 10.10mm | |
Overall diameter | 15.70-16.70mm | 16.20mm | ||
Wrapping Sort | Overlap width | innermost layer | ≥10mm | 12mm |
Outmost Layer | ≥10mm | 12mm | ||
Gap Width | _ | _ | ||
DCR VALUE | ≤0.01724Ω(at 20℃ mm²/m) | 0.017068Production | ||
Elongation | ≥25% | 30.8% | ||
Bending | Diameter of pole is 112mm,, no cracking, leak, no obvious warping. | Qualified | ||
Remark |
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Customerized 0.68 / 7*19 Paper Unsulation Covered Litz Copper Wire Enameled Magnet Wire For Transformer Images |