DC 840 Cam Action


  • Concealed door closer with Cam-Motion® technology and small standard concealed guide rail G892 or standard concealed guide rail G893
  • Fulfils barrier-free building requirements (DDA / CEN TR 15894)
  • Certified in compliance with EN 1154, size 1-4
  • Suitable for fire and smoke protection doors
  • For single action doors up to 1100 mm wide


  • Can be used for left and right-handed doors
  • Closing speed and latching speed adjustable from top via regulating valves
  • Built-in backcheck
  • Thermodynamic valves for consistent performance
  • Opening angle up to 120°
  • Large range of applications
  • Versions with 4 mm and 8 mm spindle extensions
  • Standard colours: silver EV1
  • Customised finishes available on request