Multiturn-Wirewound Potentiometer AL20

Robust and precise multiturn potentiometer in seamless moulded Ø20 mm housing without centring collar

  • Robust and precise miniature sensor
  • Seamless moulded housing with 2 x sleeve bearings provides additional stability
  • Without centering collar with metric shaft geometry
  • Technical counterpart series AC (with centering collar and inch-dimensional shaft)
  • Optional IP65 protection by sealing ring
  • On request with limit switch and slipping clutch
Data sheet
Resolution Depends on resistance value
Functions / Features With mech. stop, Opt. multiganged/ tandem, Opt. rear shaft
Output signal Analogue
Protection class IP40 (optional IP65)
Sensor technology Wirewound Potentiometer
Shaft diameter 6.00 mm
Housing diameter 20 mm
Mounting Bushing
Electrical connection Radial, Solder contacts
Effective electrical angle of rotation max. 3600°
Housing depth min. 18 mm
The AL20 potentiometers in rugged 20 mm housing without ... more
Product description: Multiturn-Wirewound Potentiometer AL20

The AL20 potentiometers in rugged 20 mm housing without centering collar are ideal for applications where a precise and economical multiturn potentiometer is required.

The precision potentiometers of the AL20 series have an additional sintered bearing in the back cover and provide the shaft with improved stability. The completely encapsulated housing increases the robustness in addition. The potentiometer is available in 5 or 10 turn version.

  • Economical and precise multiturn sensor with numerous options
  • Completely encapsulated housing with 2 x sleeve bearings
  • Without pilot ring


  • Front shaft sealing
  • Improved linearity
  • Improved resistance tolerance
  • Rear shaft and shaft geometry
  • Front shaft adjustment
  • Plug version in preparation
  • Center tap
  • Screwdriver slot
  • Tandem version

We offer many adaptations on request:
Slipping clutch, 3 turn version, tandem- or multi ganged potentiometers, sealed housing case, special electrical and mechanical angles of rotation, and special resistance and linearity tolerances. Furthermore, we can mount gear wheels or attach cable assemblies with or without connectors and much more. Please use our request form and describe your application, so we can determine the optimal product for your design-in

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