This robust screw-on belt winder MAXI from Schellenberg in brown makes the installation of a new belt winder as well as a roller shutter belt easy, thanks to the 17 feet roller shutter belt that is pre-assembled and included in delivery. The Schellenberg Screw-on Belt Winder is attached to the wall or window frame. It can swivel 180˚ and thanks to its unobtrusive design fits perfectly in your living space.



  • Robust screw-on belt winder
  • Includes a roller shutter belt (17 feet long)
  • Quick to replace, as the spring of the belt winder is pre-assembled
  • 180˚ swivel
  • Color: brown
EAN Number 4003971508045
Item Number INT 50803
Width (mm) 34 mm
Height (mm) 188 mm
Depth (mm) 156 mm
Hole Spacing 172 mm
Preformance Aufputz
Roller shutter system MAXI
Color brown
Installation Instructions-50804 5.15 MB / Adobe Acrobat File Download

Product in use



The easy to open screw-on belt winder from Schellenberg is the right choice, if the following conditions are met:

  • Your roller shutter is compatible with the Schellenberg MAXI System when the octagonal shaft diameter is 60 mm and the slat height is 52 mm.
  • The distance between holes to attachment of the screw-on belt winder is 17.0 cm.

Helpful Hints for Installation


  • Close the roller shutters
  • Remove the old belt winder and belt
  • Loosen the roller shutters from the octagonal shaft
  • Mount the new Schellenberg Belt Winder on the wall or window frame
  • Pull the belt about 14 feet out of the screw-on belt winder and thread it through the belt guide in the roller shutter box.
  • Attach the loose end of the roller shutter belt on the belt pulley.
  • By turning the octagonal shaft, wind the belt onto the belt pulley (be sure to turn the right direction)
  • Reattach the roller shutters on the octagonal shaft
  • Roller shutter covers can be put back on

Safety Note: The spring drum of the belt winder is tensioned. Therefore risk of injury is possible by opening the belt winder. For this reason please wear protective gloves!

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