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NBS Source



  • CE marked in compliance to BS EN 1154.
  • Suitable for fire and smoke protection doors.
  • For single action doors up to 1600 mm wide.
  • Supplied as standard with closer body, for use with L197 extra strong arm, DC107 angle bracket and DC126 mounting plate.
  • ABS satin silver cover finish as standard.
  • Adjustable spring power from CEN grades 5-7.
  • Backcheck as standard.
  • Supplied with integrated concealed mounting plate.
  • Adjustable arm height (14 mm, maximum) for ease of installation.
  • Suitable for left and right hand doors.


  • Extensive range of uses for fire doors and standard doors.
  • Modular design allowing change of closer without changing the mounting plate.
  • Suited to heavy door applications.
  • Template adjustable design meaning a quick and easy install.
  • Reduced closer torque means a door easier to open and close.
  • Backcheck: Variable above 75°.
  • Closing speed: Variable between 0–180°.
  • Latching speed: Variable between 0–15°.


  • For heavy doors, fire and smoke protection doors as well as standard doors.
  • Modern and compact design.
  • Same dimensions and design with or without mounting plate.

Additional information for this product is available from:

General information


Pr_30_36_59_15 Controlled door closersPrimary


P21/12 Overhead door closers

P21/410 Overhead door closers

Product range

Door Controls / ASSA ABLOY Door Closers

Specification data - Controlled door closers

Product Reference

DC347 Door Closer

Colour/ Finish


Similar to RAL9005.


Similar to RAL8014.



Similar to RAL9016.



Angle bracket A107

Extra strong link arm L197

Mounting plate A126

Standard product features

Size (l x h x d):

308 x 69 x 63 mm.


2.2 kg.

Product Options

Colour/ Finish:

Four standard colours available, additionally custom finishes are available upon request.

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