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16842 Millikan Avenue, Irvine, CA 92606
Copyright © 2017 SECO-LARM U.S.A., Inc. All rights reserved. All trademarks are the property of
SECO-LARM U.S.A., Inc. or their respective owners. The SECO-LARM policy is one of continual development. For that reason,
SECO-LARM reserves the right to change specifications without notice. SECO-LARM is not responsible for misprints.
Phone: (949) 261-2999 | (800) 662-0800 Fax: (949) 261-7326
Website: www.seco-larm.com Email: sales@seco-larm.com
DH-171SQ Flush-mount
DH-151SQ Surface-mount
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:
1
/2", 3/4", 1", 2", 3", 4", 5",
6", 7" (13mm, 19mm, 25mm, 50mm, 76mm, 102mm, 127mm,
152mm, 178mm)
23/4"49/16"x3"
(70x116.5x76 mm)
23/4"x49/16"x21/16"
(70x116.5x52 mm)
29/16"x29/16"x 19/16" (65x65x40 mm)
Dimensions (magnet only):