Shear Lock
SD-993B
Descriptions
  • Concealed security for remote access and exit control of aluminum and steel doors or gates. Works with sliding, single-action, and double-action (swing-through) doors and gates. Plated steel plugs and magnetic bond holds doors securely in place with approximately 2,700 pounds (1,227kg) of shear holding force.
  • Fail-safe operation (unlocks if power is lost).
  • Internal adjustable door position switch prevents locking until the door has come to rest.
  • Magnet and dry read contact switch determine door position for positive locking.
  • Adjustable door lock delay timer (2 to 6 seconds).
  • Armature plate adjusts to compensate for gaps between door and frame.
  • Door open/close relay output (NO/C/NC, SPDT, 1.0A @ 24VDC), for remote lock status monitor.
  • Use with an optional digital keypad for keyless high security.
  • Easily connects to SECO-LARM's SK-983A Electronic Keypad.
  • Magnet housing dimensions (faceplate) - 10-1/2" x 1-3/8" x 1/4" (268 x 35 x 6 mm).
  • Magnet housing dimensions (cavity) - 8-5/8" x 1-3/8" x 11/16" (219 x 35 x 27 mm).
  • Armature assembly dimensions (faceplate) - 10-1/2" x 1-3/8" x 1/4" (268 x 35 x 6 mm).
  • Shallow design for use with most metal door jambs.              
  • Nickel plated magnet and armature, and black powder coated housings.
  • Power - 12VDC (1.8A pull, 500mA to hold) or 24VDC (1.0A pull, 350mA to hold).
  • Door gap - Max. 1/8" (3mm).

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Product Info Sheet


Installation Manuals
Copyright 2006 by SECO-LARM U.S.A., Inc. All rights reserved. Modified:
Manufacturer and Distributor of Security Systems and Accessories Worldwide.