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Dave Jabas, 41 Years Experience

LCN 4040SE Door Closer Aluminum


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The LCN 4040SE is a heavy duty door closer that will be held open electronically until the current is disrupted. This device is designed for fire safety and should be used only on interior doors.
  • Standard 4040SE series closer shipped with a standard arm, 24V or 120V (please specify) SE track, standard cover, and wood and machine screw pack. SEL tracks are optional, see 4040SE Series pages 20 & 21 for options.
  • Non-sized cylinders for interior doors to 4'0".
  • Hold-open force is adjustable.
  • Momentary on/off switch board assembly for testing door release also provides over-voltage protection. Field replaceable.
  • Functions as a full rack and pinion closer when hold-open is not engaged or current is interrupted.
  • Closer mounts on either push or pull side of the door.
  • Non-handed for mounting on either right or left hand door.
  • Concealed or surface wiring.
  • Interfaces with alarm systems. Consult factory for full details.
  • Standard or optional custom powder coated finishes on cover and arm.
  • Optional plated finishes.
  • Butt Hinges should not exceed 5" (127 mm) in width.
  • Swing Clear Hinges consult factory.
  • Auxiliary Stop is recommended at hold-open point.
  • Reveal should not exceed 1/8" (3 mm) for standard arm. Should not exceed 2 11/16" (68 mm) for double egress arm.
  • Top Rail minimum 3 1/2" (89 mm).
  • Installation with PLATE, 4040SE-18 requires SPECIAL TEMPLATE and 1 3/4" (44 mm) minimum top rail.
  • Head Frame requires 2" (51 mm) minimum.
  • Flush Ceiling with 2" (51 mm) head frame does not require special templating.
  • Door Width 2'4" (711 mm) minimum for single door with SE. 4'8" (1422 mm) minimum for paired doors with SE.
  • Clearance of 2 3/8" (60 mm) behind door required for 90� installation.
The LCN 4040SE Door Closer comes in an aluminum finish.