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Windowmaster - WMU 84/86/88 - Chain Actuator

Chain Actuator - Used as part of an Electric Window Opening system to open high level or hard to reach windows or rooflights.

Chain Actuator

Product ID: WMU 84/86/88

Windowmaster WMU 84/86/88 Chain Actuator is designed for Smoke Ventilation (AOV or OV) on heavier roof vents and domes, as a more compact alternative to linear actuators. With 400N push/pull force as standard, 600N and 1000N also available.

Window Types

Key features

  • Various opening strokes - 300mm, 500mm, 600mm & 750mm
  • Suitable for most window types
  • Synchronization of up to 4 Actuators
  • Programmable features - stroke size, team size, speed
  • Supplied with 5.0m cable
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  • 24v DC

Opening stroke

  • 300mm
  • 500mm
  • 600mm
  • 750mm


  • WMU84 = 400N
  • WMU86 = 600N
  • WMU88 = 1000N


  • Silver (Anodised)
  • Sprayed specific RAL colour
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