Low Resistance, High Flex:
SVS Standards for Shunt Straps
Shunt straps, also known as laminated straps, consist of multiple stacked copper foils that are uniformly compressed under high pressure. They are specifically designed for moving connections and compact installation spaces, combining high current-carrying capacity with mechanical flexibility and low contact resistance. The connection zones are machined and prepared for bolted, soldered, or welded joints.
Available as standard version or custom-made based on your drawings or samples. Geometry, interfaces and material are precisely matched to your requirements.
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We ensure the quality of your welding processes.
We process highly conductive copper components with a defined and verified purity level. All current-carrying surfaces are precisely machined and optimized for minimal contact resistance.
All components are manufactured in Germany and precisely matched to your application. Standard designs are available from stock, ensuring short delivery times and maximum flexibility.
Tight tolerances, stable production equipment, and consistent clamping conditions ensure reliable dimensional accuracy and repeatable results across all production runs.
Our products are subject to strict quality inspections. For special requirements, individual tests are carried out according to defined specifications.
Flexibility is our strength. Our products are available in numerous variants and can be manufactured with high precision to fit your system requirements.
For decades, we have contributed our expertise to SVS products and, as an active member of the German Welding Society (DVS), have helped shape technical standards.
SVS Capabilities
For over 60 years, we have been a reliable partner for manufacturers worldwide in welding technology.
Fundamentals
Function of Shunt Straps
When connections need to remain flexible, laminated shunt straps ensure reliable current transmission. They compensate for motion caused by cycling, lifting, or swivelling and maintain a consistent power supply. The multi-layered pressed copper laminations can move against each other, absorbing mechanical stress and distributing current evenly across the entire cross section. This keeps contact resistance low and preserves current-carrying capacity even under frequent movement.
Key Paramenters of Shunt Straps
The copper laminations must combine high electrical conductivity with mechanical stability. An additional coating protects against oxidation and ensure consistent contact performance over time.
Uniform compression is essential for even distribution of current and heat across the laminations. Irregular pressure creates hotspots and weakens current transfer.
The connection areas must be flat, burr-free and dimensionally accurate. Only then is low-loss power transfer possible without micro-movements or arc formation.
Repetitive movements lead to mechanical fatigue. A balanced combination of lamination count and cross-sectional design maintains electrical integrity throughout the product's lifetime.
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