Chain actuator 300N

Chain actuator for surface mounting.
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

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

UL certified
The product is UL certified according to UL325 for US and CSA C22.2 no.247-14 for Canada

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

The actuator is a high performance actuator especially designed for large and heavy windows – an elegant alternative to spindle actuators.

Complete opening of the window within 60sec. (depending on the programming).
The actuator is approved according to EN 12101-2 with selected profiles – please contact WindowMaster for further information.

Programmable 24VDC chain actuator for surface mounting for smoke and comfort ventilation.

For top hung, bottom hung, pivot and turning windows.
The actuator can be used together with espagnolette WMB.

The actuator is approved according to EN 12101-2 with selected profiles – please contact WindowMaster for further information

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, also possible following installation.
Actuators for USA and Canada are UL certified and are supplied without cable.

Actuator and chain brackets to be ordered separately.

Additional information

Stroke (mm)

400, 600, 800, 1000

Max Force (N)


Supply Voltage


Max Current (amps)


Max Speed (mm/s)


Locking Force (N)


Window Types

Bottom Hung, Centre Pivot, Rooflight, Side Hung, Skylight, Top Hung

IP Rating




Anodised Aluminium


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

WMU 836
Nominal voltage:
24V DC (max. 10% ripple)
Traction force:
300 N
Thrust force:
Max. 300N  
400, 600, 800 and 1000mm
Locking Force:
3000 N
Current Consumption:
Opening speed:
Operating temperature:
-5°C – +74 °C max. 90% relative humidity (not condensing)
Protection Class:

Download PDF's

Window Master WMU 836 Data Sheet
Window Master WMU 836 installation

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