Transformer-based controllers

Product specification:

Speed adjustment via built-in 5-stage transformer. Individual or parallel control of 3~ motors or fans.

Properties & special features:

Ideally suited for combination with ZIEHL-ABEGG external rotor motors or fans. Easy-to-use, rugged system. Control without electro-magnetic running noises.


Output range:

  • 1~ transformers, 1.5 to 14 amps
  • 3~ transformers, 2 to 14 amps

Scope of functions:

  • Easy-to-use speed controller with integrated 5-stage switch for rotational speed specification Devices with two 5-step switches, two speeds can be externally switched.
  • Easy-to-use speed controller, with rotational speed specification via an external 0 – 10 V signal.
  • Extended versions, with additional inputs and outputs


  • Catalogue-Control-Technology-Main-Catalogue-2017.pdf
    Control Technology (19 MB)
    Main Catalogue 08/2017 edition