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Windowmaster - WMS 409-n - Spindle Actuator

Spindle Actuator - Used as part of an Electric Window Opening system to open high level or hard to reach windows, louvres or rooflights.

Spindle Actuator

Product ID: WMS 409-n

Windowmaster WMS 409-n Spindle Drive Actuator (900N) designed for use on high level roof vents and domes. Available in a variety of opening strokes.

Window Types

Key features

  • Strong actuator suitable for roof openings for smoke and comfort ventilation
  • To be used together with ±24V control units or control units with MotorLink®
  • Synchronization of up to 4 window actuators – no need for an external synchronization module
  • Genuine position feedback and 3 speeds when using control unit with MotorLink®
  • The electronics in this actuator can be programmed to suit specific requirements – i.e. pressure- and traction force, stroke, speed/sound level – with the WAT 100 programming box, this is also possible following installation
  • The actuator has an integrated reverse function to ensure a prolonged life span of the window gaskets
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  • 24V DC

Opening Stroke

  • 300mm
  • 500mm
  • 750mm
  • 1000mm


  • 900N


  • Silver Anodised
  • Sprayed specific RAL colour
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