LCN Price Book

The LCN 4040SE Sentronic Door Closer is a heavy duty, single point hold-open door closer for fire and smoke barrier doors. The LCN 4040SE functions with a single lever (track) arm closer designed for interior doors.

Applications for the LCN 4040SE Sentronic Door Closer include interior door smoke barrier and fire doors in Hospitals and Healthcare buildings and other government facility buildings.
LCN 4040SE Sentronic Door Closer

  • 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.
  • 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


Certifications: Grade 1 – ANSI A156.15, UL 10C, ADA, 100 Hour Salt Spray, Meets BAA – Buy American Act, NFPA 101
Body Construction:
  • Cast Iron Body
  • Full Complement Bearing
  • 1-1/2˝ Diameter Piston
  • 3/4˝ Diameter Double Heat Treated Pinion Journal
Fluid: All Weather Fluid
Handing: Non-Handed
Size: Adjustable Spring Size, up to 4
Warranty: 2 years
  • Clip-on plastic, standard
  • Metal, optional
Fasteners: Wood and machine screw pack
Mounting: Hinge (Pull Side), Stop Face (Push Side)
Arms: Standard arm and SE track, standard Double egress arm and SEL track, optional
Finishes/Colors/Powder Coat:
  • Aluminum (689)
  • Statuary Bronze (690)
  • Light Bronze (691)
  • Black (693)
  • Dark Bronze (695)
  • Brass (696)
  • Custom colors optional
  • Optional SRI primer – powder coat only
  • Optional plated finishes
Wiring: Concealed or surface, interfaces with fire alarm systems

To place your order for an LCN 4040SE Sentronic Door Closer or for a quote, contact your local IDN Branch.

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Kwame Shorter is the Digital Communications & Website Specialist at IDN, Inc.