Authorized Seco-Larm Reseller

Seco-Larm DH-151SQ Magnetic Door Holder – Surface-Mount, UL Listed

Seco-LarmSKU: DH-151SQ

Sale price$58.66
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The UL Listed SECO-LARM Magnetic Door Holders are designed for virtually any remote door release applications, whether residential or commercial. Fail-safe operation, tri-volt coils, and adjustable armature plate allows for easy and flexible installation.

  • For use with door closers to control the release and closing of residential, commercial, and public area doors
  • Adjustable armature plate reduces installation time and adjusts to door alignment changes
  • Low profile design
  • Holding force – 33-lb (15kg)
  • 3 voltages: 12/24 VAC/VDC, and 120VAC
  • Cast aluminum faceplate
  • No residual magnetism for easy release
  • Built-in voltage spike suppressor
  • Use with SECO-LARM door closers
  • Optional extension bars available: 3/4″, 1″, 4″, 7″ (19mm, 25mm, 102mm, 178mm)
  • Use with SECO-LARM door closers SD-C121-S, SD-C131-SQ, SD-C101-SGQ, or SD-C101-SBAQ


Holding Force 33-lb (15kg)
Installation Surface-mount
Operating Voltage 12/24 VAC/VDC, 120VAC
Current Draw 52mA@12VAC, 60mA@12VDC, 27mA@24VAC, 31mA@24VDC, 24mA@120VAC
Magnet Box Weight 1-lb 6.4-oz (920g)
Door Armature Weight 8.1-oz (230g)
Electromagnet Dimensions 2-3/4″ x 4-9/16″ x 3″ (70 x 116.5 x 76 mm)
Armature Dimensions 2-9/16″ x 2-9/16″ x 1-9/16″ (65 x 65 x 40 mm)

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