Fancy fresh air at the touch of a switch? The WMU 836 is an electric chain actuator that opens and closes windows and rooflights for you. This data sheet sets out the technical details, including the 24V DC supply, programmable opening strokes from 400mm to 1000mm and the window sizes it suits. Part codes for the actuator and its brackets are included too.
WMU 836 Electric Chain Actuator Data Sheet
26 October 2026