High-Reliability Copper Stranded Wire for Transformers - China Suppliers & Factory Providing Flexible Connections
Utilizing over 99.95% high-purity oxygen-free copper, with a conductivity exceeding 100% IACS, effectively reducing internal transformer losses and improving overall energy efficiency.
The multi-strand precision twisted structure gives it excellent flexibility and fatigue resistance, easily handling the challenges of wiring within complex enclosures, significantly improving installation efficiency and reliability.
(Optional tin plating process) Excellent oxidation and corrosion resistance, able to withstand thermal expansion and contraction and electrodynamic shocks during operation, ensuring long-term safe and stable operation of the transformer.
We offer a full range of standard specifications from 10mm² to over 3000mm², and support custom-made special models with special cross-sections, tin plating, paper insulation, etc., to meet your personalized design needs.
- 📋 Strict Standards: Production complies with domestic and international standards such as GB/T 12970 and IEC, and can also meet customer enterprise standards.
- 🔬 Precise Control: 100% testing is performed on key parameters such as DC resistance, cross-sectional area, and strand pitch.
- 🛠️ Professional Support: Our technical team can provide you with selection guidance and application solutions.
Infuse your next-generation transformers with a more reliable energy path. Contact us today for customized product brochures and technical consultation.
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Q What purity level of copper is used in your transformer stranded wire?
Our transformer stranded wire is manufactured using over 99.95% high-purity oxygen-free copper, which ensures a conductivity exceeding 100% IACS and minimizes energy losses within the transformer.
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Q What cross-sectional sizes are available for your copper stranded wire?
We offer a full range of standard specifications from 10mm² to over 3000mm². Custom cross-sections are also available to meet specific engineering and design requirements.
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Q What is the difference between Standard Copper Stranded Wire and Paper-Insulated Copper Stranded Wire?
Standard Copper Stranded Wire is the most versatile and cost-effective option, suitable for main leads in oil-immersed and dry-type transformers. Paper-Insulated Copper Stranded Wire is additionally covered with transformer insulating paper to provide integrated turn insulation, making it ideal for winding leads with specially designed insulation distances.
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Q What international standards does your product comply with?
Our products are produced in compliance with domestic and international standards including GB/T 12970 and IEC. We can also accommodate specific customer enterprise standards upon request.
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Q Is tin plating available, and what are its benefits?
Yes, tin plating is available as an optional process. It significantly enhances oxidation and corrosion resistance, enabling the wire to better withstand thermal expansion, contraction, and electrodynamic shocks during long-term operation, thereby extending service life.
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Q Can you provide technical support and customized solutions?
Absolutely. Our professional technical team is ready to provide selection guidance, application solutions, and customized product brochures. Please contact us directly to discuss your specific project requirements.


