WMX 804

Chain actuator

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

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WMX 804

About WMX 804

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

    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

    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

    UL certified

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

Product Details

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.


Technical specifications
Chain opening: 50 - 250mm in increments of 10mm
Opening speed: 7mm/s
Pressure force Max. 150N - dependent on the chain length
- see the table on the product sheet
Tractive force Max. 200N
Operating voltage 24 VDC (max. 10% ripple)
Current consumption    1A
Size 332 x 29 x 42mm (WxHxD)
Colour Aluminium (RAL 9006), white (RAL 9010) or black (RAL 9005)

Delivery includes

Actuator with 1,9m 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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