WMU 836

Medium 300N Chain actuator for surface mounting suited for natural and smoke ventilation

  • Chain actuator for surface mounting.
  • For smoke and comfort ventilation.

Get a quote

About WMU 836

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 according to EN 12101-2

    Smoke ventilation according to EN 12101-2

    The product is with selected profiles and correct fabrication documentation suitable for smoke ventilation according to EN 12101-2 and uses 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.

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

Actuators for USA and Canada are UL certified and are supplied without cable.

Actuator and chain brackets to be ordered separately.


Installation TypeSurface mounted
Window typesBottom hung
Side hung
Top hung
Turning windows
Pressure Force300N
Traction force300N
Locking force3000N
Operating speedProgramable from 4,5mm/s to 14 mm/s
Sound pressure level≤30 dBA (operational speed: 4,5 mm/s) ≤45 dBA (operational speed: 13 mm/s)dBA
Power Supply24 V DC
Current consumption1A
Nominal Voltage24V DC (max. 10% ripple)V DC
IP rating32
Life spanTested with 10,000 opening and closing movements
Colour optionsAnodised aluminium
MaterialAnodised aluminium housing with stainless steel chain
To be ordered separatelyBrackets and standard extension cables type WLL

Delivery includes

Europa: actuator with 5m cable

USA/Canada: UL-actuator without 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.

Read more
Icon Motorlink White Large