Connection technology made by TRAMAG

– What you can rely on

Insights into the transformer and choke production of a leading specialist

The quality of transformers, chokes and filters depends to a large extent both on their materials and on how these materials are combined and connected. TRAMAG has been an expert in the production of inductors for many years and has enormous expertise, especially in the electro-technical safety-relevant, low-impedance connection technology.

Cu/Cu connections

In this method of connection technology, the copper material of both connecting parts is joined together by brazing, i.e. by heat. The result is a highly stable, electrically and thermally robust connection, the conductivity remains fully intact.

Al/Cu connections

Another method of joining connecting parts is the cold pressure welding process. In this process, the material consisting of the different non-ferrous metals, aluminium and copper, is joined together not by heat but by friction and pressure. This process also ensures the required connection cross-section.

We are champions in joining connections with metals

High flexibility in the implementation of advanced connection technology

  • Different types (lug, clamp, stranded wire, bolt) and positions (front, rear, top, bottom) of connections possible
  • Several material variants possible
    • Tape for high currents
    • Round wire (also very thin wires for higher voltage)
    • Flat wire for higher currents and better utilisation of winding space
    • HF stranded wire for higher frequencies
  • Different combinations (e.g. aluminium tape/copper lug) possible

Optimized for every customer application

TRAMAG offers the best quality for safe operation and the most efficient economy in the installation of connections.

Our products are perfectly matched to your systems and thus create maximum system availability and function of the drive or machine.

Would you like to find out more about our customised products?

Contact us now

TRAMAG News

Always up to date in transformer technology


6. July 2022

Isolating transformers – TRAMAG products explained

Isolating transformers with protective separation TRAMAG products explained transform Isolating transformers provide safety where reliable protective separation of circuits is necessary. They thus ensure the reliable and safe power supply […]

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29. June 2022

Medical technology transformers – TRAMAG products explained

Transformers for medical use are a special type of isolating transformer and are used to provide a safe power supply for medical systems and equipment in hospitals and doctors’ surgeries worldwide.

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20. June 2022

Quality assurance made by TRAMAG

Not only during the production itself, but also from the receipt of the materials to the packaging and shipping of the final products, our employees are trained to carefully monitor every process.

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10. June 2022

The testing process – made by TRAMAG

TRAMAG has stood for high-quality winding goods for almost 100 years. That is why all our products are 100% tested before they leave the factory.

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8. June 2022

Vacuum impregnation – made by TRAMAG

The impregnation process for transformers, chokes and filters is equivalent to an impregnation process of the winding material. TRAMAG uses synthetic resin of special viscosity as the impregnating agent, which hardens completely.

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