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Mains transformers

Single-phase and three-phase mains transformers from TRAMAG

For feeding primary voltages of different magnitudes

TRAMAG’s single-phase and three-phase mains transformers are used for the safe voltage supply of machines and systems. We offer autotransformers or isolating transformers for changing the output voltage with or without tapping. One or more taps on the primary winding of the transformer make it possible to feed in primary voltages of different magnitudes, transforming only to one output voltage. It is also possible to transform to several output voltages.

We provide mains transformers for the following industries

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Specifications of power transformers from TRAMAG

Technical characteristics and quality features

Mains transformers: Applications

Mains transformers are used for voltage matching for various applications. For example, our autotransformers and isolating transformers are used in power distribution, power supplies and various other industrial applications.

Mains transformers: technical characteristics

  • Power rating 1 MVA
  • Voltages primary up to 1,000 V
  • Voltages secondary up to 7,200 V
  • Frequency up to 1,000 Hz

Mains transformers: Quality characteristics

  • DIN EN 61558-2-1
  • DIN EN 61558-2-11
  • DIN EN 61558-2-13
  • UL/CSA
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Transformer production – Innovative and reliable since 1923
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TRAMAG News

Always up to date on transformers


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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