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Application
- Aerospace & Aviation
- Low-Voltage Electrical (Electric Brush Wires)
- Chemical & Metallurgical Engineering Equipment
- Industrial Machinery & Equipment Clusters
- Superconducting Technology Applications
- Rail Transit Equipment
- Smart Grid & Power Transmission/Distribution Applications
- New Energy Wind Power
- Power Storage Equipment
- New Energy Vehicle Systems
- Products
Flexible Copper Braided Wires from China Suppliers and Factory for Electrical Conductivity and Grounding
Technical Data
Material: annealed Cu-ETP wires, C11000, copper content ≥ 99.95%
Finish: bare, tin plating, nickel plating, silver plating
Carrier Number: 13, 16, 24, 32, 36, 40, 48, 64, 96
Cross Sectional Area: 0.2mm² - 300mm²
Packing Modes: in rolls, on spools or wooden drums
Single Wire Diameter:
- 0.05mm (AWG 44)
- 0.07mm (AWG 41)
- 0.10mm (AWG 38)
- 0.12mm
- 0.127mm (AWG 36)
- 0.15mm (standard)
- 0.20mm (AWG 32)
- 0.25mm
- 0.254mm (AWG 30)
- ......
Product Display
Model And Meaning
Customization Upon Request
| Part No. | Nominal Cross Section (mm²) | Measured Cross Section (mm²) | Wire Structure Strands×Wire Number Per Strand×Layers /Single Wire Diameter (mm) |
Width Approx. (mm) | Thickness Approx. (mm) | Weight Approx. (kg/km) | Max. Current Capacity (A, ambient temp 35℃) |
|---|---|---|---|---|---|---|---|
| BGTZ(X)-15/1.5 | 1.5 | 1.69 | 24×4×1/0.15 | 4.0 | 0.8 | 15.8 | 21 |
| BGTZ(X)-15/2 | 2 | 2.12 | 24×5×1/0.15 | 5.0 | 0.8 | 19.6 | 25 |
| BGTZ(X)-15/2.5 | 2.5 | 2.54 | 24×6×1/0.15 | 6.0 | 0.8 | 23.5 | 30 |
| BGTZ(X)-15/3 | 3 | 2.97 | 24×7×1/0.15 | 6.2 | 1.0 | 27.4 | 35 |
| BGTZ(X)-15/4 | 4 | 4.24 | 24×10×1/0.15 | 7.0 | 1.2 | 39.2 | 40 |
| 4.52 | 32×8×1/0.15 | 7.5 | 1.0 | 41.2 | |||
| BGTZ(X)-15/6 | 6 | 6.24 | 32×11×1/0.15 | 10.0 | 1.2 | 57.5 | 55 |
| BGTZ(X)-15/8 | 8 | 8.45 | 48×10×1/0.15 | 13.0 | 1.2 | 79.0 | 70 |
| BGTZ(X)-15/10 | 10 | 10.59 | 40×15×1/0.15 | 12.0 | 1.0 | 54.8 | 85 |
| 10.16 | 48×12×1/0.15 | 12.0 | 1.5 | 78.4 | |||
| BGTZ(X)-15/12 | 12 | 12.72 | 48×15×1/0.15 | 18.0 | 1.5 | 118.0 | 95 |
| BGTZ(X)-15/16 | 16 | 16.96 | 24×40×1/0.15 | 16.0 | 2.2 | 159.0 | 135 |
| 16.96 | 48×20×1/0.15 | 22.0 | 1.8 | 159.0 | |||
| BGTZ(X)-15/20 | 20 | 21.20 | 24×50×1/0.15 | 18.0 | 2.5 | 198.0 | 120 |
| 21.20 | 48×25×1/0.15 | 25.0 | 2.0 | 198.0 | |||
| BGTZ(X)-15/25 | 25 | 25.45 | 48×30×1/0.15 | 28.0 | 1.8 | 238.0 | 150 |
| 25.45 | 48×15×2/0.15 | 20.0 | 3.5 | 238.0 | |||
| BGTZ(X)-15/35 | 35 | 33.93 | 32×60×1/0.15 | 28.0 | 3.0 | 317.0 | 195 |
| 33.93 | 64×30×1/0.15 | 40.0 | 2.0 | 317.0 | |||
| 33.93 | 48×20×2/0.15 | 26.0 | 3.5 | 317.0 | |||
| BGTZ(X)-15/50 | 50 | 50.23 | 36×79×1/0.15 | 35.0 | 4.0 | 473.0 | 250 |
| 50.87 | 64×45×1/0.15 | 50.0 | 2.5 | 480.0 | |||
| 50.87 | 48×30×2/0.15 | 30.0 | 3.5 | 480.0 | |||
| BGTZ(X)-15/70 | 70 | 67.82 | 64×30×2/0.15 | 41.0 | 4.0 | 633.0 | 300 |
| 70.62 | 80×50×1/0.15 | 55.0 | 3.0 | 633.0 | |||
| 70.84 | 48×30×2+20/0.15 | 32.0 | 6.0 | 633.0 | |||
| BGTZ(X)-15/75 | 75 | 74.88 | 80×53×1/0.15 | 55.0 | 13.5 | 699.7 | 325 |
| 76.34 | 48×30×3/0.15 | 32.0 | 5.0 | 726.0 | |||
| BGTZ(X)-15/95 | 95 | 94.95 | 64×84×1/0.15 | 60.0 | 4.0 | 887.3 | 360 |
| 94.95 | 48×28×4/0.15 | 35.0 | 6.0 | 895.7 | |||
| BGTZ(X)-15/100 | 100 | 100.09 | 96×59×1/0.15 | 100 | 2.0 | 943.7 | 380 |
| 101.74 | 64×45×2/0.15 | 50.0 | 5.0 | 959.8 | |||
| 101.74 | 48×30×4/0.15 | 32.0 | 7.5 | 959.8 | |||
| BGTZ(X)-15/120 | 120 | 118.69 | 96×70×1/0.15 | 95.0 | 3.2 | 1119.7 | 420 |
| 127.17 | 48×30×5/0.15 | 37.0 | 7.0 | 1199.7 |
Advantages
Reduces self-vibration and impact during momentary energization, keeping connections tight and preventing loosening compared to rigid conductors.
Lower skin effect losses and faster response.
Flexible structure eliminates cumulative tolerances, enabling easy installation in irregular or cramped areas.
Avoids localized temperature rise caused by molecular lattice damage during cold bending of copper bars.
Operating & Maintenance
Temperature range: -40°C to +200°C (with plating).
Service Life
• 10-15 years under normal dry indoor conditions.
• Bare copper in humid environments——inspect every 6-12 months.
• Plated versions require minimal care.
• Check terminal tightness annually in high-vibration applications.
Applications & Market Leadership
Widely used in power electrical equipment, new energy “solar-storage-charging” (PV + ESS + EV charging), new energy vehicle drives, and wind power generation. Ranked #1 in both China and global market share for copper braided wire for 10 consecutive years (2015–present).
After-Sales Service
Free technical support, custom orders, 24-hour response. Contact Zhejiang Bridgold Copper Tech Co., Ltd.
Customization Upon Request
Zhejiang Bridgold Copper Tech Co., Ltd. is a professional leader China copper braid flat, copper braid wire, copper braid wire flat, copper braided wire, copper earth braid manufacturers and suppliers with high quality and low price. Welcome to contact us.
Frequently Asked Questions
Q1 What materials and plating options are available for flexible copper braided wires?
They are manufactured from high-purity annealed Cu-ETP wires (C11000) with a copper content of ≥ 99.95%. Available surface plating finishes include bare copper, tin plating, nickel plating, and silver plating to meet diverse environmental and conductivity demands.
Q2 What is the operational temperature range and expected lifespan?
With surface plating, the operational temperature range spans from -40°C to +200°C. Under standard dry indoor operating environments, the service life reaches 10 to 15 years.
Q3 What are the key mechanical advantages of flexible copper braids over solid copper bars?
Flexible braided wires offer excellent vibration damping to prevent terminal loosening, reduce skin effect losses for rapid current transmission, allow easy routing in confined spaces without cumulative tolerances, and eliminate localized heat build-up caused by cold bending stresses.
Q4 What are the standard cross-sectional areas and packaging options?
Cross-sectional areas range from 0.2mm² up to 300mm² with single wire diameters ranging from 0.05mm (AWG 44) to 0.254mm (AWG 30). Products can be packed in rolls, on spools, or in heavy-duty wooden drums.
Q5 Where are these copper braided conductors primarily applied?
They are widely utilized across power electrical apparatus, new energy solar-storage-charging infrastructure (PV, ESS, EV chargers), new energy vehicle (NEV) drive systems, and wind power generation equipment.
Q6 What routine maintenance is recommended for these flexible braids?
For bare copper in humid conditions, inspect every 6–12 months. In high-vibration applications, terminal connection tightness should be verified annually. Plated braids generally require minimal maintenance.












