Transformers for power supply systems

Converting energy with transformers from TRAMAG

Our transformers supply energy

Electrical energy is a versatile energy carrier that can be converted into other forms of energy with low losses. Transformers from TRAMAG ensure a reliable and powerful energy supply. Our transformers and reactors are relevant components in power supply systems of all kinds.

Nearly 100 years of experience

DIN standard EN IEC 61558 compliant

Specialized production

Products that put you under power

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Reliable in the energy supply chain

Winding goods for power supply systems

Smooth operation

For the smooth operation of power supply systems, maximum reliability, economy and robustness of transformers and chokes are a necessity. TRAMAG is your competent partner for winding goods in the application of power supply systems for stability of current and voltage for power supply e.g. of semiconductor factories.

Keep the voltage constant

We are very familiar with power supply systems: TRAMAG transformers and chokes can be found in UPS systems, AC and DC auxiliary power supplies, voltage stabilizer systems, voltage correction systems and step up / step down units. We offer further expertise in the field of filter circuit reactors for power factor correction.

Standards for power supply systems

Our products are certified as follows:

  • Construction and testing standard DIN EN IEC 61558
  • UL/CSA
  • Electrical protection classes I and II
  • Insulation classes B, F and H
  • Protection classes according to IP
  • DIN ISO 9001:2015

Individual and solution-oriented

Solution-oriented, economical, flexible: This is what distinguishes TRAMAG. Our chokes and transformers are also specially developed for the requirements of power supply systems and make a significant contribution to stable current and voltage supply in these systems. TRAMAG offers you products exactly tailored to your system.

Development expertise & production quality

Our expertise for your safety

Production safety

TRAMAG attaches great importance to the electrical safety of its products, which is guaranteed by the strictest compliance with all relevant standards.

More about production

Our experience

For almost 100 years TRAMAG has been developing and manufacturing a wide range of transformers and chokes for various applications all over the world.

Our references

Quality standards

A certified QM system, special testing facilities, as well as the distinctive quality commitment of all TRAMAG employees ensure our high quality standards.

More about quality


The experience in development and production enables TRAMAG to respond flexibly and individually to special customer requirements, from one-off to series production.

More about flexibility


Always up to date in transformer technology

5. December 2022

TRAMAG Insights

TRAMAG Insights New plant manager for TRAMAG manufacturing site in the Czech Republic At the beginning of this week we welcomed Pavel Dostal, our new plant manager for BOHEMIA-Trafo, the […]

23. November 2022

Industries & Applications: Hydrogen Production for a “green” Energy Source

Industries & Applications: Hydrogen Production for a “green” Energy Source TRAMAG DC Smoothing Reactors in use for the DC Supply of an Electrolysis Plant for the Production of Hydrogen   The […]

18. November 2022

Industries & Applications: Crane Systems

Industries & Applications: Crane Systems TRAMAG Transformers in use for Electrical Control and Safety in Crane Systems A significant part of the worldwide transport of goods takes place in ISO-standardized […]

15. November 2022

Industries & Applications: Industrial Power Supply Systems

Industries & Applications: Industrial Power Supply Systems TRAMAG Transformers in use for sustainable Voltage Quality in Factory Power Grids The construction of new, but also the modernization of existing industrial […]

3. November 2022

Industries & Applications: Renewable Energy Generation / Wind Energy

Industries & Applications: Renewable Energy Generation / Wind Energy TRAMAG Filter Chokes for Wind Turbines in use for Clean Energy Transition Newly installed onshore wind turbines in Germany (as of […]


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