Customization: | Available |
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Color: | Silver |
Strength Grade: | Medium (Half-Hard) |
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Silver-Plated Copper Stranded Wire 7×3.0mm is a high-capacity, industrial-grade conductor designed for ultra-high current transmission. Its thick silver plating provides outstanding electrical and thermal performance, while the stranded structure ensures flexibility and mechanical strength for challenging environments like aerospace, railways, and heavy machinery.
7×3.0mm large cross-section for ultra-low resistance
Silver plating ensures maximum conductivity and anti-corrosion
Soft and flexible despite high mechanical mass
RoHS/REACH compliant
Customization available for hardness and reel size
Industrial high-current power supply systems
Aerospace and defense-grade wiring
Electric railways and EV main cables
Power grid and battery busbars
Heavy equipment and robotics
ISO 9001-certified manufacturing
Complete QC for resistance, plating thickness, and tolerance
RoHS/REACH documentation and full traceability
Optional third-party testing upon request
Heavy-duty wooden or steel spools (20-50kg)
Moisture-proof and anti-static vacuum packing
Export cartons with customizable labels
OEM branding and private logo services
Specification | Overall Diameter | DC Resistance (20°C) | Approx. Weight | Tensile Strength |
7×0.03mm | 0.1 mm | 47.39 Ω/km | 0.19 kg/km | ≥200 MPa |
19×0.03mm | 0.16 mm | 17.51 Ω/km | 0.51 kg/km | ≥200 MPa |
37×0.03mm | 0.22 mm | 9.0 Ω/km | 1.0 kg/km | ≥200 MPa |
185×0.03mm | 0.49 mm | 1.8 Ω/km | 5.0 kg/km | ≥200 MPa |
7×0.05mm | 0.16 mm | 28.49 Ω/km | 0.32 kg/km | ≥200 MPa |
19×0.05mm | 0.26 mm | 10.52 Ω/km | 0.86 kg/km | ≥200 MPa |
37×0.05mm | 0.36 mm | 5.4 Ω/km | 1.67 kg/km | ≥200 MPa |
185×0.05mm | 0.82 mm | 1.08 Ω/km | 8.33 kg/km | ≥200 MPa |
7×0.08mm | 0.25 mm | 17.83 Ω/km | 0.5 kg/km | ≥200 MPa |
19×0.08mm | 0.42 mm | 6.57 Ω/km | 1.37 kg/km | ≥200 MPa |
37×0.08mm | 0.58 mm | 3.38 Ω/km | 2.66 kg/km | ≥200 MPa |
185×0.08mm | 1.31 mm | 0.68 Ω/km | 13.32 kg/km | ≥200 MPa |
7×0.1mm | 0.32 mm | 14.27 Ω/km | 0.63 kg/km | ≥200 MPa |
19×0.1mm | 0.52 mm | 5.26 Ω/km | 1.71 kg/km | ≥200 MPa |
37×0.1mm | 0.73 mm | 2.7 Ω/km | 3.33 kg/km | ≥200 MPa |
185×0.1mm | 1.63 mm | 0.54 Ω/km | 16.65 kg/km | ≥200 MPa |
7×0.2mm | 0.63 mm | 7.14 Ω/km | 1.26 kg/km | ≥200 MPa |
19×0.2mm | 1.05 mm | 2.63 Ω/km | 3.42 kg/km | ≥200 MPa |
37×0.2mm | 1.46 mm | 1.35 Ω/km | 6.66 kg/km | ≥200 MPa |
185×0.2mm | 3.26 mm | 0.27 Ω/km | 33.3 kg/km | ≥200 MPa |
7×0.4mm | 1.27 mm | 3.57 Ω/km | 2.52 kg/km | ≥200 MPa |
19×0.4mm | 2.09 mm | 1.32 Ω/km | 6.84 kg/km | ≥200 MPa |
37×0.4mm | 2.92 mm | 0.68 Ω/km | 13.32 kg/km | ≥200 MPa |
185×0.4mm | 6.53 mm | 0.14 Ω/km | 66.6 kg/km | ≥200 MPa |
7×0.8mm | 2.54 mm | 1.79 Ω/km | 5.04 kg/km | ≥200 MPa |
19×0.8mm | 4.18 mm | 0.66 Ω/km | 13.68 kg/km | ≥200 MPa |
37×0.8mm | 5.84 mm | 0.34 Ω/km | 26.64 kg/km | ≥200 MPa |
185×0.8mm | 13.06 mm | 0.07 Ω/km | 133.2 kg/km | ≥200 MPa |
7×1.0mm | 3.17 mm | 1.43 Ω/km | 6.3 kg/km | ≥200 MPa |
19×1.0mm | 5.23 mm | 0.53 Ω/km | 17.1 kg/km | ≥200 MPa |
37×1.0mm | 7.3 mm | 0.27 Ω/km | 33.3 kg/km | ≥200 MPa |
185×1.0mm | 16.32 mm | 0.05 Ω/km | 166.5 kg/km | ≥200 MPa |
7×2.0mm | 6.35 mm | 0.71 Ω/km | 12.6 kg/km | ≥200 MPa |
19×2.0mm | 10.46 mm | 0.26 Ω/km | 34.2 kg/km | ≥200 MPa |
37×2.0mm | 14.6 mm | 0.14 Ω/km | 66.6 kg/km | ≥200 MPa |
185×2.0mm | 32.64 mm | 0.03 Ω/km | 333.0 kg/km | ≥200 MPa |
7×3.0mm | 9.52 mm | 0.48 Ω/km | 18.9 kg/km | ≥200 MPa |
19×3.0mm | 15.69 mm | 0.18 Ω/km | 51.3 kg/km | ≥200 MPa |
37×3.0mm | 21.9 mm | 0.09 Ω/km | 99.9 kg/km | ≥200 MPa |
185×3.0mm | 48.97 mm | 0.02 Ω/km | 499.5 kg/km | ≥200 MPa |
1. Three Decades of Specialized Expertise
As a pure-play wire & cable manufacturer since 1990, we deliver precisely engineered solutions for industrial, energy, and infrastructure applications.
2. Certified Quality Assurance
All products meet UL, CE, and RoHS standards, with ISO 9001-certified manufacturing ensuring 99.97% defect-free delivery across 50+ countries.
3. Eco-Conscious Production
REACH-compliant materials reduce carbon footprint by 30% vs industry average, with 85% recyclable product designs.
Service Excellence
1. 24/7 Technical Support
Dedicated engineers on-call for urgent troubleshooting, with <3hr response time for critical infrastructure projects.
2. Customization from Blueprint to Delivery
• Prototype development in 10-14 days
• Minimum Order Quantity (MOQ) as low as 50 kgs
• OEM/ODM compliant with NEC, IEC & EN standards
3. Transparent Project Management
Assigned account managers provide weekly progress reports with:
4. Risk-Free Trial
Test samples in your application for 90 days - we cover return shipping if unsatisfied.