WMS 409-n

Spindle actuator 900N MotorLink®

  • Spindle actuator 900N with MotorLink®
  • For smoke and comfort ventilation

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About WMS 409-n

Main features

  • Natural ventilation

    Natural ventilation

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

Smoke ventilation according to EN 12101-2

    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

24V Nominal voltage

    24V Nominal voltage

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



    The product communicates with power supplies with MotorLink® – an intelligent patented digital communication from WindowMaster

Product Details

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 actuator has an integrated reverse function to ensure a prolonged life span of the window gaskets


Brackets and fastenings to be ordered seperately.


Installation TypeSurface mounted
Pressure Force900N
Traction force900N
Operating speed12,5mm/s
Power Supply24 V DC
Current consumption1,8A
Nominal Voltage24V DC (max. 10% rippel)V DC
IP rating54
Colour optionsNatural anodised aluminium (EV1)

Delivery includes

spindle actuator with 5m silicon connecting cable

Intelligent control of windows: MotorLink®

MotorLink® is a communication technology that enables 2-way control and feedback between window actuators and the Building Management System via the MotorController. All WindowMaster control systems are MotorLink® capable with many of our actuators. Click below to learn more and see related products.

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