Verified by manufacturer 6 months ago
WMU 831
Actuators for large and heavy windows – an alternative to spindle actuators.
The WMU 831/851/852 actuators are medium-chain actuators specially designed for large and heavy windows—complete opening of the window within 60 seconds. The TrueSpeed™ feature enables an opening of 1 mm per second, can control several motor lines simultaneously and ensures a higher degree of control.
Features and benefits:
Color | Grey Other |
Material | Aluminium |
Shape | Rectangle |
Length | 623 mm |
Width | 57 mm |
Height | 42 mm |
Uniclass | |
CAWS | L10/490 Roof ventilators L10/47 Roof ventilators L10/25 Aluminium windows L10/330 Aluminium windows |
Stroke | 400 mm.500 mm.600 mm. |
Electrical supply | 24 V d.c. |
Operation | ±24 V d.c. control units.Control units with MotorLink®. |
Finish | Grey (RAL 9006).Bronze (RAL 8019).Manufacturer guidanceOther RAL colours available at additional price. |
Accessories | None.WAB 852A Actuator bracket for WMU 852/ 851/ 831.WAZ 852i Actuator bracket for WMU 852/ 851/ 831.WAB 827 Z-Bracket for inward opening windows.WAB 836B Actuator bracket for WMU 836 / 852 / 851 / 831 / 936 / 866.WAB 836H Actuator bracket for WMU 836 / 852 / 851 / 831 / 936 / 866.WAB 836E Chain bracket for WMU 836 / 852 / 851 / 831 / 936.Manufacturer guidanceSee separate product sheets for further information. |
Actuator | Single. Double. Triple. Quad. |
Opening speed | 1–12 mm/s (TrueSpeed™). |
Certification | CE mark and UL certified. Guidance for specification option: For USA/ Canada. CE mark and EN 12101-2 certified. Guidance for specification option: For Europe. |
Cable | 5 m cable and plug (S). Plug without cable (Z). Guidance for specification option: All actuators without cables are UL 325 listed. |
Force | 300 N. Manufacturer guidancePressure force [N] (only bottom hung window). |