Input line chokes in drive and automation technology

TRAMAG products explained

Line chokes are used in variable speed drive solutions and are installed between the line input and the frequency inverter.

Their most important function is to protect the inverter input side. Input line chokes are used to dampen harmonic currents in the input and to allow commutation time for the frequency inverter’s fast-switching switching elements. Line reverse effects caused by commutations are thereby limited. In this way, the availability and safe operation of the drive solution can be constantly maintained.

The connection technology for this application is based on fixed busbars, which significantly simplify installation in the control cabinet environment.

TRAMAG line chokes are already used worldwide in a wide variety of drive systems. Thanks to our many years of experience in the development and manufacture of chokes, we can find the right solution for every application – including yours!

More about line chokes

We develop line chokes that are perfectly customized to your needs!

Contact us now


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 […]

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.

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.

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.

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.


Stay tuned!
English content coming soon!

Transformatoren Spezialist Transformatoren Spezialist