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Features:
Concealed security for remote access
and exit control of aluminum and steel
doors or gates.
Zinc-plated magnet and armature,
aluminum anodized housing.
The power for the SD-993B-SS is to be
provided by a Listed (UL294, CAN/ULC-
S533 or UL603)Class 2 Power Supply
Use with an optional digital keypad for
keyless high security.
Smaller size for use with most metal
door jambs.
The SD-993B-SS is intended to use as
access control system accessory which are
installed in accordance with the
NOTE: The products shall not impair the intended operation of an emergency exit or panic hardware mounted on the door.
SD-993B-SS
Electric Shear Lock
Installation Manual
Spring-loaded locking bolts and magnetic
Armature plate adjusts to compensate for
UL294 Indoor use, UL1034 Indoor use
Works with sliding, single-action, and
Fail-safe operation (unlocks if power is lost).
™
manufacturer's installation and operation
instructions, ANSI/NFPA 70 and the local
authority having jurisdiction. Holding Force
has not been verified by UL.
bond holds doors securely in place with
approximately 1,500 pounds (680kg) of
shear holding force.
gaps between door and frame.
double-action (swing-through) doors
and gates.
22SW
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Summary of Contents for SECO-LARM SD-993B-SS
- Page 1 Zinc-plated magnet and armature, Spring-loaded locking bolts and magnetic aluminum anodized housing. bond holds doors securely in place with The power for the SD-993B-SS is to be approximately 1,500 pounds (680kg) of provided by a Listed (UL294, CAN/ULC- shear holding force.
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Page 2: Parts List
SECO-LARM Electric Shear Lock Parts List: 1x Magnet assembly 1x Hex wrench 1x Armature assembly 16x Metal screws 4x Spacers 2x Springs (for use when the SD-993B-SS is mounted vertically) Specifications: Operating voltage 12/24VDC Current draw 350mA@12VDC, 190mA@24VDC Holding force*... -
Page 3: Mounting Location
SECO-LARM Electric Shear Lock Mounting Location: Fig. 1 - Preferred mounting locations 1. Top of Door — Mount here for best results, as Top of Door - Best this allows flexibility against direct attacks against the door. Mount close to the corner opposite the Middle of Door - Good hinges. -
Page 4: Wiring Diagram
SECO-LARM Electric Shear Lock Installation – Cut the Door Frame (Continued): For Wood Door Frames: Fig. 2 -Preparing the 1. Rout or cut a 1 " (27mm) deep, Mounting Positions "x1 " (147x30 mm) hole for the cavity of the magnet assembly... - Page 5 SECO-LARM Electric Shear Lock Installation – Cut the Door (Continued): Adjust armature screws to compensate for the gap between door and frame. (see Fig. 4) Fig. 4 Lining up Magnet Assembly and Armature Assembly " (180mm) " (147mm) Magnet Assembly Locking Bolts Max.
- Page 6 SECO-LARM Electric Shear Lock Installation - Mount the Magnet Assembly and Armature Assembly (Cont.): Fig. 6 Adjustment Of SD-993B-SS Electric Shear Lock Magnet Armature Use hex wrench (included) to adjust Armature plate to approx. 2mm gap. Installation for Surface Mounting (SD-993S-SB):...
- Page 7 SECO-LARM Electric Shear Lock Installation for Glass Door Mounting (SD-993S-UB): May require 1 or more SD-993S-SB and SD-993S-UB bracket kits, depending on Glass Frame the glass door configuration. 2x Surface mount brackets 2x U Brackets Min. gap: Min. Clearance: U bracket...
- Page 8 WARRANTY: This SECO-LARM product is warranted against defects in material and workmanship while used in normal service for 1 year from the date of sale to the original customer. SECO-LARM’s obligation is limited to the repair or replacement of any defective part if the unit is returned, transportation prepaid, to SECO-LARM. This Warranty is void if...
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