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Window Master WMX 504

By: Joseph

Brand: Window Master | Manufacturer Part numbers: WMX 504

This product is suitable for:

  • Top-hung windows
  • Bottom-hung windows
  • Pivot frames
Specifications at a glance:

Traction force:  200 N
Protection Class: Surface mounted: IP 20, concealed: IP 32
Voltage supply: 24v DC

Colours Available:

Available in Black
Available in White
Available in Grey

Bracket Options:
Get in touch for help picking the right brackets for your window.

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Window Master WMX 504

Chain actuator

  • Chain actuator for surface mounting,
  • For smoke and comfort ventilation.
  • For all window types except roof windows.


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

Smoke ventilation
The product is suitable for smoke ventilation and use natural driving forces for the efficient exhaust of smoke and heat

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

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

Programmable 24VDC chain actuator for surface mounting for smoke and comfort ventilation.
Not appropriate with roof windows.

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.

Brackets to be ordered seperately.

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Window Master
WindowMaster brand products

Product Applications

This product is suitable for:

  • Top-hung windows
  • Bottom-hung windows
  • Pivoting frame windows


Technical Details

WMX 504

20-36V DC

Traction force:

Chain Opening:
50 – 250 mm in increments of 10 mm, maximum opening depends on the window construction

7mm/s (programmable from 3mm/s to 9.5mm/s)

Locking Force:
3000 N

Current Consumption:
max. 0.5A

Switch on Duration:
ED 40% (max. 4 min. per 10 min)

Operating temperature:
-5°C – +74 °C max. 90% relative humidity (not condensing)

Protection Class:
Surface mounted: IP 20, concealed: IP 32

Download PDF's

Window Master WMX 504 Data Sheet
Window Master WMX 504 installation