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Window Master WMX 823

By: Joseph

Brand: Window Master | Manufacturer Part numbers: WMX 823

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 Silver Anodised

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

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Window Master WMX 823

Chain actuator

  • Chain actuator for concealed installation.
  • For smoke and comfort ventilation.
  • For top hung, bottom hung and turning windows.
  • Not appropriate for roof windows.

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

Smoke ventilation
The product is suitable for smoke ventilation and use 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

Programmable 24V DC chain actuator for concealed installation for smoke and comfort ventilation.

– to be used together with ±24V control units or control units with MotorLink®
– can be used together with espagnolette WMB
– external safety edge can be connected directly to the actuator (actuator version ’E’)
– available with and without UL certification:
– Europe: order without UL certification (version 0)
– USA / Canada: order with UL certification (version U)
– synchronisation of up to four window actuators – no need for an external synchronisation module
– genuine position feedback and three speeds when using control unit with MotorLink®
– soft close
– 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
– built-in electronic load switch-off/end stop
– electronic actuator with micro controller
– the actuator has an integrated reverse function to ensure a prolonged life span of the window gaskets
– easy mounting

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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 823

Nominal voltage:
24V DC (max. 10% ripple)

Traction force:
500N (programmable up to 1000N)

Chain Opening:
50 – 500 mm in increments of 10 mm, maximum opening depends on the window construction

Opening Speed:
9 mm/s (programmable 3 mm/s – 9.5 mm/s)

Locking Force:
3000 N

Current Consumption:
max. 1A

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 823 Data Sheet
Window Master WMX 823 installation