WMX 814

Extra Small 1A Chain actuator for surface mounting suited for natural and smoke ventilation

  • designed for surface mounting
  • for smoke and comfort ventilation
  • to be used with tophung, bottomhung and turning windows

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About WMX 814

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



    The product can with the TrueSpeed™ technology slow down the actuator movement (down to 1mm per second), which enables the actuators to run completely silent.

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 24V DC chain actuator for surface mounting 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
  • synchronization of up to four window actuators – no need for an external synchronization module
  • genuine position feedback and three speeds when using control unit with MotorLink® 
  • soft close function
  • 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


Installation TypeIntegrated
Surface mounted
Window typesTop hung
Bottom hung
Turning windows
Chain stroke options50 - 1000mm in increments of 10mm
Pressure Force150N
Traction force250N
Locking force2000N
Operating speedProgrammable from 1mm/s to 17mm/s with TrueSpeed™
Sound pressure level≤25 dBA (operational speed: 1 mm/s)dBA
≤42 dBA (operational speed: 10 mm/s)dBA
Power Supply24 V DC
Current consumption1A
Nominal Voltage24V DC (max. 10% ripple)V DC
IP ratingConcealed: IP 32
Surface mounted: IP 20
Life spanTested with 10,000 opening and closing movements
Colour optionsBlack anodised aluminium (E6/EV1)
Natural anodised aluminium (EV1)
White (RAL 9016)
MaterialAnodised aluminium housing with steel chain and silicone cable
To be ordered separatelyBrackets and standard extension cables type WLL

Delivery includes

Actuator with 5m cable and fast-in/fast-on connector for WLL 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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