Spindle actuator 900N
Spindle actuator, single version, 900N
For smoke and comfort ventilation

24V Nominal voltage
The product is to be connected to a ±24V power supply

Smoke ventilation according to EN 12101-2
The product is suitable for smoke ventilation according to EN 12101-2 and uses natural driving forces for the efficient exhaust of smoke and heat

Natural ventilation
The product is suitable for comfort ventilation to ensure that the building’s users enjoy a comfortable indoor climate

This single spindle actuator is equipped with an electric overload switch.
Brackets and fastenings to be ordered seperately.

Additional information



Window Master
WindowMaster brand products

Product Applications

This product is suitable for:

  • Top-hung windows
  • Bottom-hung windows
  • Pivoting frame windows
  • Roof windows
  • Cupolas
Product applications top & bottom hung , pivot windows & cupolas

Technical Details

WMS 409
Nominal voltage:
24V DC max. 10% ripple
Traction force:
900 N
Thrust force:
900 N  
300 mm / 500 mm /750 mm /1000 mm
Locking Force:
Current Consumption:
Opening speed:
5.8mm/s (full load)
Length of power cable:
5m grey connection cable in silicon 3-core 0.75mm2 ø7.0mm
Operating temperature:
-5°C – +74°C max. 90% relative humidity (not condensing) 
Protection Class:
IP54 according to EN 50529

Download PDF's

Window Master WMS 409-n Data Sheet
Window Master WMS 409-n installation

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