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

Three-phase transformer

Type D-UL


Maximum input voltage: 600 V
Link group: Yy0, Dyn5, …
Maximum output voltage: 600 V
Protection class: IP 00
Insulation class: B / F
Ambient temperature max .: 40 ° C
Frequency: 50-60 Hz
Power range: 250 VA – 55 000 VA
Protection class I

Three-phase transformer Type D-UL

In 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 are in compliance with EN 61588 or VDE 0570, as well as other quality standards, like as UL / CSA.

OpenSupply carries a number of designs that are suitable for a wide range of applications. Top-quality materials and vacuum impregnation are always used in the construction of the transformers.



To provide electricity to all kinds of applications and devices. Suitable for building switch boxes to UL 508A requirements.


  • Open design (IP 00)
  • Mounted on foot corners (DIN 41307)
  • Safe connections with screw terminals according to VBG 4 (in the higher current range on bolts or copper bars)
  • High-quality, tropical vacuum impregnation in polyester impregnation resin
  • Wear-proof, heat-, UV- and solvent-resistant type plate
  • Also available with CSA quality mark!

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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