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The Schellenberg Tubular Motor MAXI STANDARD has a turning movement of 20 Nm and a pulling force of 74 lbs. Like all STANDARD roller shutter motors from Schellenberg, this tubular motor is controlled with a roller shutter switch or a timer. If so desired, the controls can be retrofitted to work the motor wirelessly. The end points can be individually set with the two setting screws that can be found on the motor head.



  • Ready to install (quite wall bearing and easy to assembly adapter set included)
  • Thermal/overheating protection
  • Data retention during power outage
  • Standby uses 0.0 watts
  • Power supply: 230 V / 50 Hz
  • Low maintenance and wear resistant roller shutter motor
  • Control with a timer or roller shutter switch
  • Control of multiple different motors with a relay possible
  • Schellenberg wireless control possible with retrofitting
  • TÜV and CE approved
  • 3 year guarantee

*the maximum pulling force of the tubular motor is crucial. As a guide you can use the following values for the calculation of your roller shutters:

  • Plastic roller shutters: ~8 lbs per ft²
  • Aluminum roller shutters: ~lbs per ft²
EAN Number 4003971206200
Item Number INT 20621
length (mm) 480 mm
Diameter (mm) 60 mm
Tensile Force (kg) 34 kg
Tensile Force (Nm) 20 Nm
max. tensile force (kg) 34 kg
max. tensile force (N) 20 kg
motor guarantee 3
max. roller shutter area KST m² 8.5
Roller shutter system MAXI
End position setting mechanical
Color yellow
Installation Instructions-20620 11.26 MB / Adobe Acrobat File Download

Product in use



More comfort is guaranteed with the opening and closing of the roller shutters with the MAXI Tubular Motor STANDARD from Schelleberg that has a turning movement of 20 Nm. Old roller shutter belts and belt winders are a thing of the past.

  • Compatible with octagonal shafts (with a 60 mm diameter)
  • The tubular motor has a max. pulling force of 74 lbs

Helpful Hints for Installation


  • Open the roller shutter box and uninstall the belt drive and octagonal shaft (shorten the shaft if necessary)
  • Mount the tubular motor wall bearing and insert the drive unit
  • Electric connection of the operating element
  • Set the end points of the tubular motor
  • Start up the tubular motor
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