Gebrüder Frei GmbH & Co.
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Traction switch

ROTONDO Traction switch ROTONDO Traction switch


The ROTONDO traction switch is suitable for use as a setpoint generator for electrically powered vehicles and other systems. Its design and its housing with an integrated mounting flange make it very easy to install. The version with a through shaft is used for applications with two butterfly knobs. A version with a single shaft on one side is also available. Besides the analogue signal for the travel speed setpoint, the traction switch also delivers two digital direction signals.

  • Different shaft versions are available (single-sided and through shaft)
  • Angle of rotation: ± 48°
  • Membrane-sensor technology
  • Potentiometer analogue output (V characteristic)
    for travel speed
  • Nominal supply voltage: 24 VDC, separate
    potentiometer supply max. 12 VDC
  • Available with active-low or active-high digital signals
  • Protection class: IP 54 (except for the connector)
  • Various butterfly knobs available


Gebrüder Frei
GmbH & Co. KG

Borsigstraße 15
72461 Albstadt

Control Systems for Transport Technology
Tel. +49.7432.202-222
Fax +49.7432.202-299


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