Locknetics 4040SEH-24V-ALUM


Door Closer 24V Aluminum Finsih Surface Mount

Availability: Please Call for Availability

  • Factory New
FireAlarm.com Part #: 71893 Categories: , Manufacturer Part #: 4040SEH-24V-ALUM


Sentronic Series LCN closers/holders combine heavy duty closers with electrically controlled hold-open functions to control fire and smoke barrier doors. Automatic detection and containment of fire and smoke are the best ways to minimize danger to life and property. Patented Sentronic door closer/holders are designed to hold swinging doors open in normal use then release and automatically close the doors under fire conditions. These products integrate into your complete fire and life safety system.


Weight 0.4 lbs




Production Status



  • Conforms to NFPA 101 and ANSI 156.15
  • 24V AC/DC or 120V AC input
  • When current is interrupted, hold-open releases and door closes
  • Adjustable hydraulic back-check cushions opening swing prior to 90°
  • Separate regulation of general closing speed and latching speed
  • Available in wide range of powder coated finishes to blend with door and frame (SEM magnets available in aluminum and dark bronze only)
  • Circuit automatically handles AC or DC input
  • Can be pushed safely and easily out of hold-open
  • Functions as full rack and pinion door closer when hold-open is not engaged or current is interrupted
  • High strength cast iron cylinder
  • Forged steel main arm and piston
  • All weather fluid


Fire/Life Safety Closers/Holders Series
Allegion – Data Sheet