Tin Coated Copper BusBar
Products Description
This product is a composite conductor component (Tin Coated Copper BusBar) specifically designed for power transmission and distribution scenarios. Its core function is to achieve both high-conductivity, oxygen-free copper substrate for efficient power transmission and a dense tin plating layer for corrosion resistance and easy soldering. It undertakes high-current transmission tasks in power distribution systems, industrial equipment, and new energy devices. It leverages copper's excellent conductivity to reduce transmission losses while the tin layer isolates it from air and moisture, addressing the industry pain points of pure copper busbars such as easy oxidation and difficult soldering. Its essential value lies in its synergistic approach to conductivity and corrosion resistance, adaptability to soldering and assembly, and balance of strength and flexibility. It provides an integrated solution of standardized mass supply and customized specifications for high and low voltage switchgear, photovoltaic inverters, energy storage systems, and industrial automation equipment, meeting both the stringent requirements of power systems for transmission efficiency and the practical ease of engineering assembly.
Product Features
Superior Conductivity
Copper itself possesses excellent electrical conductivity, enabling the Busbar Coating to carry high currents while maintaining low resistance. The tin plating layer ensures conductivity and effectively extends the product's lifespan in complex environments such as high humidity and salt spray.
01
Oxidation and Corrosion Resistance
The tin plating covering the copper surface resists air oxidation and chemical corrosion, reducing the risk of electrical system failures due to poor contact, thereby improving overall system reliability.
02
Solder-Friendly Design
Compared to bare copper, the tin-plated surface has lower soldering resistance and better wettability, making soldering processes more efficient and stable, reducing the possibility of cold solder joints or loose solder joints.
03
Size and Shape Flexibility
Products can be customised to meet customer needs, supporting various widths, thicknesses, and bending processes to adapt to different electrical equipment spatial layouts and structural design requirements.
04
Durability and Stability
Copper tinned busbars possess excellent mechanical strength and resistance to deformation, capable of withstanding thermal stress under high current operation for extended periods, ensuring stable power transmission.
05
Core Processing Flow
Tin Plating
The shaped copper material is fed into a continuous tin plating production line. Hot-dip tin plating or electroplating is used to evenly coat the surface with a tin layer, with the thickness controlled by an online thickness gauge (0.03-0.15mm).
Post-processing
After tin plating, cooling and passivation treatments are performed to enhance the corrosion resistance of the tin layer. The surface is then precision polished to remove burrs and pits, ensuring a uniform, dark grey finish.
Precision Machining
According to customer requirements, CNC bending, laser cutting, drilling, and other machining processes are performed, pre-drilling mounting holes and positioning slots to ensure installation compatibility.
Key Functions: Engineering Value Beyond Basic Conductivity
Provides a stable and reliable power transmission path, ensuring efficient system operation.
Maintains interface integrity during welding, reducing system failures caused by poor soldering.
Prevents conductivity degradation due to copper oxidation, extending system lifespan.
Simplifies welding processes, improving on-site work efficiency.
Ensuring stable connection performance during long-term use, reducing maintenance requirements.
Busbar tinned copper provides highly reliable connection assurance for power systems.
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