+31 (0)541 700 260 erik@opensupply.nl

Three-phase Transformer



Max. input: 1000V
Link group: Yyn0, Dyn5,…
Max. output: 1000V
Protection class: IP 00
Insulation class: B / F
Ambient temperature: up to 40 ° C
Frequency: 50-60 Hz
Power range: 40VA – 50 kVA
Protection class: I

Three-phase Transformer Type DTL / DTTL I

Within the range of up to 1,500 kVA, OpenSupply provides three-phase transformers with an input voltage up to 1000 V and a design and construction that comply with EN 61588 or VDE 0570, as well as other quality standards, such as UL / CSA.

OpenSupply carries a number of designs that are suitable for a multitude of applications, while top-quality materials and vacuum impregnation are applied in their construction.



Type DTL
For supply to all kinds of electrical equipment, for instance in measuring and regulation technology, power electronics or machine construction. Customization and construction guarantee optimal usability.

For supply to electrical equipment whereby, according to the installation instructions, electrical insulation of the power circuit is required (for example portable equipment, certain equipment in the chemical industry, in mining, etc.).


  • Open design (IP 00, installation max. IP 23)
  • Coils separated by shielding and double / reinforced insulation (safe separation) only with DTTL
  • Lying on brackets (DIN 41307)
  • Secure connections with screw terminals according to VBG 4
  • Top-quality, tropical vacuum impregnation using black polyester impregnating resin
  • Wear-proof, heat-, UV- and solvent-resistant type plate
  • Customized versions available on request

Reasons for working together with OpenSupply:

  • OpenSupply provides a wide range of products and parts
  • That makes OpenSupply a valuable supplier
  • It also means that OpenSupply has the required expertise
  • Which is why OpenSupply is certainly a useful addition to your network

Any questions?

If you want to know more about this product (or about the other products in the OpenSupply range), contact us today. We are happy to help you make the right choice in your specific circumstances.

Erik Franke


+31 541 700260

We will do our best to answer withing 24 hours.

Have a question? Please feel free to contact OpenSupply.

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