Customized Copper-Clad Aluminum Busbar from China Suppliers - Quality Products by Leading Factory
The Core Advantage for Cu Clad Al Busbar
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Anti-Corrosion & Longevity
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Excellent Conductivity & Low Energy Loss
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High Mechanical Strength & Stability
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Easy Installation & Wide Compatibility
The Technical Specifications For Cu-Al Transition Busbar
| Parameter Category | Technical Data |
| Thickness of the copper layer | ≥0.1mm (customizable) |
| Electrical conductivity | ≥80% IACS (at 20℃) |
| Density | Approximately 3.6g/cm³ |
| Tensile strength | ≥120MPa |
| Corrosion resistance | Neutral salt spray test: ≥ 48 hours - No rusting occurred |
| Working Temperature | -40℃ ~ 150℃ |
The Application For Cu Clad Al Busbar
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Wire and cable industry: Power cables, control cables, communication cables conductors, reducing the overall weight and cost of cables.
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Electrical appliances: Motor windings, transformer coils, switch components, improving the heat dissipation performance of equipment.
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Rail transportation: Line bundles for high-speed rail and subway, lightweight design to reduce the load on the vehicle body.
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New energy equipment: Photovoltaic inverters, energy storage battery connection lines, adapting to high-power transmission requirements.
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Building wiring: Home wiring, engineering wiring, offering better cost performance than pure copper wires.
OEM/ODM Customization For Cu Clad Al Busbar
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Specification Customization: Support customization of round wires/flat wires with different diameters and cross-sectional dimensions.
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Surface Treatment: Tin plating or nickel plating to enhance welding properties and corrosion resistance.
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Packaging Customization: Provide packaging options such as rolls, coils, and cut pieces according to customer requirements, to meet the feeding requirements of automated production lines.
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Technical Support: Provide product selection suggestions and processing process guidance to assist customers in optimizing product solutions.
Package & Shipping
Frequently Asked Questions (FAQ)
❓ What is a Cu Clad Al Busbar and how does it differ from a pure copper busbar?
A Cu Clad Al Busbar consists of an aluminum core metallurgically bonded with a copper outer layer. Compared to a pure copper busbar, it offers significant weight reduction (approximately 40% lighter) and lower material cost, while still maintaining excellent electrical conductivity (≥80% IACS) and superior corrosion resistance — making it a highly cost-effective alternative.
❓ What is the minimum copper layer thickness available?
The standard minimum copper layer thickness is ≥0.1mm. However, we support full customization of copper layer thickness based on your specific application requirements, such as enhanced corrosion resistance or improved solderability.
❓ What working temperature range can the Cu-Al Transition Busbar withstand?
The Cu-Al Transition Busbar is designed to operate reliably across a wide temperature range of -40℃ to 150℃, making it suitable for both extreme cold environments and high-temperature industrial applications.
❓ Can the Cu Clad Al Busbar be customized in terms of shape and surface treatment?
Yes. We offer full OEM/ODM customization including round wire and flat wire configurations in various diameters and cross-sectional dimensions. Surface treatment options include tin plating and nickel plating to improve welding performance and corrosion resistance.
❓ What industries are Cu Clad Al Busbars most commonly used in?
Cu Clad Al Busbars are widely used across multiple industries including wire and cable manufacturing, electrical appliances (motors, transformers), rail transportation (high-speed rail, subway), new energy equipment (photovoltaic inverters, energy storage systems), and building wiring applications.
❓ What packaging options are available and do you support bulk orders?
We provide flexible packaging options including rolls, coils, and cut-to-length pieces to accommodate various production line requirements. Both small batch and large-volume bulk orders are supported, with dedicated technical support to help optimize your procurement and production process.