WMU 842 – Chain Actuator 400N 2A

Chain actuator for large and heavy windows – a high-performance alternative to spindle actuators. 400N push force, 2A, ±24V. MotorLink® compatible with genuine position feedback, soft close function, and synchronisation of up to 4 actuators. IP54 rated. Suitable for comfort and smoke ventilation (EN 12101-2 and B300). NF certified.

SKU: WMU-842 Category:

Description

High performance chain actuator designed for large and heavy windows – an elegant alternative to spindle actuators. For comfort ventilation and smoke ventilation (EN 12101-2 and B300). Compatible with top hung, bottom hung, side hung, light dome, roof and facade windows.

Key Features

  • Designed for large and heavy windows – ideal alternative to spindle actuators
  • For comfort ventilation and smoke ventilation (EN 12101-2 and B300 certified)
  • Suitable for top hung, bottom hung, side hung, light dome, roof and facade windows
  • MotorLink® compatible – intelligent 2-way digital communication
  • Synchronisation of up to 4 window actuators with no external synchronisation module required
  • Genuine position feedback and 3 programmable speeds with MotorLink® control unit
  • Soft close function for extended window gasket life
  • Built-in electronic load switch-off / end stop
  • Integrated reverse function to prolong window gasket lifespan
  • Complete window opening within 60 seconds
  • NF certified (NF S 61-937-1, NF S 61-937-7, NF S 61-937-8)
  • Surface mounted, easy installation

Specifications

Pressure Force 400 N
Traction Force 500 N
Locking Force 3000 N
Chain Stroke Options 750 mm / 1000 mm
Operating Speed Programmable 4 mm/s – 17 mm/s
Power Supply 24 VDC
Current Consumption 2 A
Nominal Voltage 24V DC (max. 10% ripple)
IP Rating IP 54
Sound Pressure Level ≤35 dBA at 4 mm/s / ≤43 dBA at 13 mm/s
Installation Type Surface mounted
Material Anodised aluminium housing with zinc chromate passivated steel chain
Colour Anodised aluminium
Window Types Top hung, bottom hung, side hung, light dome, roof, facade

Delivery Includes

Actuator with 5m connection cable. Brackets and standard extension cables (type WLL) to be ordered separately.