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ACK4 - Chain Actuator 400mm

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: ACK4

ACK4 Chain Window Actuator (300N) for use on most window, and lightweight roof vents and domes. Opening stroke is adjustable (7 positions).

Window Types

Key features

  • 100-400mm opening stroke (adjustable)
  • Suitable for most window types
  • Double link chain (stainless steel)
  • Supplied with 1.5m cable
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  • 230v AC
  • 24v DC

Opening stroke

  • 100mm - 400mm (Adjustable)


  • 300N


  • White (RAL9010)
  • Black (RAL9005)
  • Grey (RAL9006)
  • Sprayed specific RAL colour
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