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

Three-phase transformers

Type DTS / DTT I


Input voltage max. 1000 V
Link group Yy0, Dyn5, …
Output voltage max. 1000 V
Protection class IP 00
Insulation class B / F
Ambient temperature 40 ° C
Frequency 50-60 Hz
Power range 40 VA – 50 kVA
Protection class I

Three-phase transformers Type DTS / DTT I

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

OpenSupply provides a host of different designs suitable for a wide range of applications, while high-quality materials and vacuum impregnation are used in building the transformers.




To provide electricity to all kinds of devices, for example in the measurement and control technology, and mechanical engineering. Customization and construction ensure optimum usability.


Electrical devices or devices that require electrical isolation from their power supply (for example, certain portable tools, some chemical plants, in the mining industry, etc.).


  • Open design (IP 00, installation max. IP 23)
  • Coils separated by double / reinforced insulation (safe separation) only with the DTT
  • Safe connections with screw terminals according to VBG 4 (in the higher current range on bolts or copper bars)
  • Top-quality, tropical vacuum impregnation using black polyester resin
  • Wear-proof, heat-, UV- and solvent-resistant type plate
  • Tailor-made versions are available upon request

A number of reasons to collaborate with OpenSupply:

  • OpenSupply has extensive technical expertise
  • That makes OpenSupply a reliable and valuable supplier
  • OpenSupply also offers a wide range of products / accessories
  • That is why OpenSupply is always 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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