Transformers for battery storage and charging technology

TRAMAG transformers support you on the way to E-Mobility

Power for your batteries

Charging technology and battery management have their own requirements for transformers, such as the conversion from DC to AC voltage or the high power consumption. We offer suitably designed winding goods for the desired voltage supply while ensuring high power quality.

Nearly 100 years of experience

DIN standard EN IEC 61558 compliant

Specialized production

Safe charging with winding materials from TRAMAG

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Charging technology that keeps its promises

High power quality and voltage supply

At the cutting edge of battery storage technology

Battery storage and charging technology is moving the world independent of the power grid. This demands compliance with complex and special requirements in the electrical system. Thanks to our storage chokes and isolation transformers, we are one of the leaders in the field of charging system infrastructure.

Storage chokes for charging stations

We are your contact for battery charging systems, battery charging stations, energy storage systems and energy storage systems. Our special transformers and chokes for energy storage and charging systems convince with high performance and decades of proven quality.

Standards in battery storage technology

Our products are certified according to:

  • 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

100 years of experience for a volatile market

TRAMAG technology, proven for decades, is also used when it comes to winding goods for battery storage technology. All our solutions are designed to meet the complex requirements of the rapidly changing market for energy storage and charging systems.

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.

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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

Flexibility


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

TRAMAG News

Always up to date in transformer technology


21. September 2023

Load Chokes mounted and connected in the TRAMAG Extension-Control Cabinet …

Load Chokes mounted and connected in the TRAMAG Extension-Control Cabinet … … for Inverter Test Benches in the e-Automotive Industry The power electronics in electric cars consist of an inverter […]

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13. September 2023

A customized Transformer for the Test Field Voltage Supply

4.5 tonnes of TRAMAG Expertise for the advanced Drives Technology A customized Transformer for the Test Field Voltage Supply The steadily increasing level of automation and digitization in machine and […]

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6. September 2023

Electromobility (EV): Load Chokes for Inverter Test Benches in the e-Automotive Industry

TRAMAG Competences for the Electromobility (EV) Load Chokes for Inverter Test Benches in the e-Automotive Industry A large number of electromechanical components are installed in an electric car (EV). Their […]

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27. July 2023

Participation in the B2Run event on 25. July 2023 in Nuremberg

The weather was kind to the 14,000 runners, who were in the best of moods: Right at the start of this year’s B2Run event around Nuremberg’s Max Morlock Stadium, the rain took a long break. With a pleasant 22º C and a light breeze, a few rays of sunshine even fell on the colorful starting field of employees from many, many companies based in the Franconian region.

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19. July 2023

From the Fürth Solar Hill to the own Solar Roof

Eight years after saving the commissioning of the “Fürth Solarberg” with TRAMAG transformers, the Ammon family decided to install their own photovoltaic (PV) system on the roof of TRAMAG’s own company building. The 184kW peak output is sufficient to supply around 55 households with electricity, as reported in December 2011 by the Fürther Nachrichten on the occasion of the commissioning of the TRAMAG PV system, which was also attended by the Mayor of Fürth, who also climbed onto TRAMAG’s roof.

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