Custom Tin Plated Aluminum Bus bar

Tin Plated Aluminum Busbar: Technical Advantages and Application Guide

Product types and technical data

In order to meet the diverse needs, we offer the following three types of tinned aluminum busbars, covering the electrical performance requirements of different scenarios:

Technical Advantage: Why Choose Tin Plated Aluminum Busbar?

1. Enhanced corrosion resistance
   The tin-plated layer can effectively resist salt spray and acid and alkaline environment corrosion, and the service life is more than 3 times longer than ordinary aluminum busbars.
2. Lightweight design
   The density of the aluminum core is only 30% of copper, which significantly reduces the overall weight of the power distribution system and saves installation costs.
3. Conductive efficiency optimization
   Aluminum substrate conductivity up to 62% IACS (International Annealed Copper Standard), combined with a tin-plating process to reduce the contact resistance, reduced energy loss by 15%.

Application and Cases

1. Industrial Power Distribution System
   After adopting customized solid busbars in a steel plant, the high-voltage transmission efficiency was increased by 20% and the annual maintenance cost was reduced by 30%.
2. New Energy Storage
   A laminated busbar in a photovoltaic energy storage project realizes a 40% reduction of inductance and a 50% improvement of thermal management efficiency.
3. Electric Vehicle Battery Pack
   Flexible busbar passed the dynamic vibration test and was successfully applied to the battery module of a brand of electric bus with a 90% reduction in failure rate.

Customized Service Process

In order to accurately match customer needs, we provide the following service path:

1. Demand analysis: The engineer team designs technical solutions based on parameters such as current load and environmental conditions.
2. Prototype testing: Verify product reliability through salt spray test, temperature rise test, etc. (in accordance with IEC 61439 standard).
3. Bulk delivery: Support customized size and plating thickness as required; shorten the delivery cycle to 7-15 days.

How is the surface treatment performance

The surface treatment process of tin-plated aluminum busbar directly affects its electrical conductivity and corrosion resistance. Currently, the industry mainly adopts the following three technologies:

1. Double plating process: aluminum substrate first plating copper layer (to enhance the conductivity to 85% IACS) and then tin plating (anti-oxidation) to achieve the conductive advantages of a copper and aluminum lightweight combination while avoiding the problem of the difference between copper and aluminum expansion coefficients.
2. Powder coating insulation: polyester film or DuPont Mylar film (temperature resistance of 130 ℃, life expectancy of 50 years) wrapped, not only to protect the insulation (voltage resistance of 3750V) but also to avoid the traditional PVC casing aging problems.
3. Aluminum-magnesium alloy casing: non-magnetic material casing reduces eddy current loss, and the thermal conductivity is 40% higher than steel casing, which is suitable for high-temperature scenarios such as new energy storage systems.