A Tinned Copper Busbar, also known as a Tin-Plated Copper Busbar, is a high-conductivity copper bar coated with a thin layer of tin to improve oxidation resistance, corrosion durability, and solderability. This type of busbar combines the electrical performance of pure copper with the anti-corrosive properties of tin, making it ideal for use in electrical distribution systems, switchgear, solar inverters, EV battery packs, and more.
Parameter | Specification |
---|---|
Material | 99.9% Pure Copper (T2 / C11000) |
Surface Finish | Bright Tin or Matte Tin Plating (Lead-Free, RoHS Compliant) |
Busbar Type | Flat / Laminated / Braided / Flexible / Insulated |
Thickness Range | 1mm – 10mm |
Width Range | 10mm – 100mm |
Length | Customizable (up to 1000mm or more) |
Plating Thickness | 3μm – 15μm |
Conductivity | ≥95% IACS (International Annealed Copper Standard) |
Operating Temperature | -40°C to +125°C |
Insulation (Optional) | PVC / PE / Heat-Shrink Tubing |
Processing Capability | CNC Machining, Bending, Punching, Laser Cutting |
Compliance | RoHS, REACH, UL (upon request) |
Applications | Switchgear, EV Battery, UPS, Solar Inverter, Marine, etc. |
Tinned copper busbars are widely favored in industries that demand long-lasting electrical connections with low maintenance and high stability. The tin coating prevents copper oxidation in humid or chemically reactive environments, while maintaining excellent electrical conductivity and thermal performance.
Key benefits include:
Corrosion Resistance in harsh or marine environments
Improved Solderability for fast and clean connections
Extended Service Life under high current loads
RoHS Compliance with lead-free tin plating
Suitable for high current & high temperature applications
Tinned copper electrical busbars are used across a wide range of electrical and industrial systems, including:
Switchgear & Distribution Boards
EV Battery Packs & BMS Systems
Solar Inverters & Photovoltaic Systems
Uninterruptible Power Supplies (UPS)
Electrical Panels & Cabinets
Marine Power Systems
Industrial Equipment & Control Cabinets
They are also widely used as tinned copper connectors for modular battery systems and flexible connections.
At G and N Fortune Limited, we offer a wide range of tinned copper busbar configurations:
Flat Tin Plated Copper Bus Bar (solid bar for switchboards)
Flexible Tinned Copper Busbar (laminated or braided)
PVC Insulated Tinned Copper Busbar (flame-retardant sleeve)
Custom CNC Machined Tin Plated Busbars
Tin Coated Copper Strip Busbars for tight space installations
Material: 99.9% Pure Copper (T2/C11000) with Lead-Free Tin Plating
Conductivity: High conductivity with low contact resistance
Surface Finish: Bright Tin / Matte Tin plating (RoHS Compliant)
Size Options: Thickness 1–10 mm, Width 10–100 mm, Length customizable
Fabrication: CNC punching, laser cutting, bending available
Insulation: Optional PVC or PE coating available
Customization: OEM & ODM service supported
G and N Fortune Limited is a professional tin coated copper busbar manufacturer, offering:
Full OEM/ODM Support for custom size, plating thickness, hole layout, insulation
Precision CNC Machining and Laser Fabrication
Fast Delivery for both bulk orders and small batches
RoHS-Compliant, Lead-Free, and Environmentally Friendly
Global Export Experience in automotive, solar, and industrial sectors
Q1: What is a Tinned Copper Busbar?
A: A tinned copper busbar is a high-purity copper conductor coated with tin to enhance corrosion resistance, solderability, and durability in electrical systems.
Q2: What are the benefits of tin plating on copper busbars?
A: Tin plating prevents copper oxidation, enhances corrosion resistance in humid or marine environments, and improves solderability for electrical connections.
Q3: Where are tinned copper busbars used?
A: They're widely used in switchgear, EV battery packs, UPS systems, solar inverters, marine applications, and industrial electrical panels.
Q4: Can I customize the dimensions and shape of the busbar?
A: Yes, we offer OEM/ODM services with full customization including size, thickness, hole layout, coating, insulation, and bending.
Q5: Is your tin plating RoHS compliant?
A: Yes, we use lead-free tin coatings that are fully RoHS and REACH compliant for environmental and safety assurance.
Q6: What’s the typical lead time for tinned copper busbars?
A: Standard production lead time is 7–15 working days depending on order volume and customization level.