SD-993B Shear Lock from SECO-LARM® 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) — 101/2” x 13/8” x 1/4” (268 x 35 x 6 mm). Magnet housing dimensions (cavity) — 85/8” x 13/8” x 11/16” (219 x 35 x 27 mm). Armature assembly dimensions (faceplate) — 101/2” x 13/8” 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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We Accept Purchase Orders
In addition to all the major credit cards we accept purchase orders from Fortune 1000 corporations, educational institutions, and government agencies.
All purchase order terms are Net 30 days. Please fax your purchase order to (718) 259-3294

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