TETRA coil

Revolutionary technology for air-wound coils.

Solve the magnetic pollution problem and get more functions out of your reactor installation.

Magnetic field held within the construction.

View from above
Side view









  • No outer magnetic field
  • Compact construction.
  • Adjustable.
  • Cost effective installation.
  • Low loss construction.


  • Shunt reactors.
  • Damping reactors.
  • Filter reactors.
  • Grounding reactors.
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Have questions?

For any questions or inquiries you may have, please don’t hesitate to get in touch with us.