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LCN 3133SE-24V-AL

Special Order Sentronic Concealed in Door Track Arm Closer/Holder for Interior Doors

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Special Order non-stock item Requires 6 week lead time

SKU: 3133SE-24V-AL

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The LCN 3133SE concealed in door track Closer/Holder. The concealed 3133SE is designed to provide single point hold-open for fire and smoke barrier doors. Door is held open until current interruption releases the holding mechanism and the door closes.

Because this is not a stock item we must order it specifically for you and we will be unable to accept a return unless the item is defective as determined by the factory it was bought from.

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Choose Finish:

628-Sprayed Aluminum 628-Sprayed Aluminum

Choose Handing:

Left Hand (LH)
Right Hand (RH)

Help Me Decide

The handing of a door is always determined from the push side.

If the door swings away from you to the left, it is a Left Hand door

If the door swings away from you to the right, it is a Right Hand door



Special order non stock item with 4 week lead time
  • Designed to provide single point hold-open for fire and smoke barrier doors.Interfaces with fire alarm systems.
  • 24VDC.
  • Concealed in door mounting, cylinder and standard arm in top rail of door. Concealed track in head frame.
  • Size 3 cast iron cylinder for interior doors 34” to 38".
  • Handed for right or left swinging doors.
  • Door thickness 1-3/4” Minimum
  • Top rail minimum 4” required.
  • Standard 3133SE closer shipped with standard arm, 24V SE standard track and wood and machine screw pack.

Available Options: Choose Options Above

  • Finish:

  • Handing: info icon

    • Left Hand (LH)
    • Right Hand (RH)

More Info

  • Series is UL listed for metal smoke barrier or labeled fire doors.
  • Tested and certified under ANSI Standard A156.4, grade 1



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