Electric Deadbolt – Fail-Safe

SECO-LARM Electric Deadbolts add concealed deadbolt security with the added convenience of electrical operation. They are suitable for most wood or hollow metal doors.* Not recommended for use with wooden door frames.

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  • Adds concealed deadbolt security to most wood or hollow metal doors,* with the added convenience of electrical operation
  • Fail-safe operation (unlocks if power is lost)
  • Status sensor (Door open/close monitor): SPDT, [email protected](NO/NC/COM)
  • Adjustable door lock delay timer (0, 2.5, 5, or 9 sec)
  • Control wire allows release without cutting unit’s power
  • Magnetic switch determines door position for positive locking
  • Solenoid attempts to lock several times and then shuts off if door not closed properly to prevent burning out
  • Use with an optional digital keypad for high security without a key
  • Easily connects to SECO-LARM’s Electronic Keypads
  • Suitable for office-type applications
  • Shallow design for use with most metal door jambs
  • No limiting installation orientation
  • Powered by a solenoid
  • Stainless steel for strength and long life. Operatiing lifetime: 1,000,000 operations
  • Plastic material Tefulon Polymonochlorotrifluoethylene
  • Power 12/24 VDC (auto sensing), [email protected] / [email protected] on activation, [email protected] / [email protected] standby
  • Over-current protection 1.5A
  • Stainless steel bolt, 5/8” diameter, 5/8” throw
  • Lock body (faceplate) dimensions – 77/8“x15/16” (200×32 mm)
  • Lock body (cavity) dimensions – 53/4“x11/8“x11/2” (145x28x38 mm)
  • Strike plate dimensions – 39/16“x1″x11/8” (90x25x33 mm)
  • Plug: Special conic cavity stainless steel (thickness 1.5mm~1.8mm)
Operation Fail-safe
Current Draw- Standby [email protected]/[email protected]
Current Draw- Active [email protected]/[email protected]
Status Sensor SPDT, 250mA @ 12VDC (NO/NC/COM)
Operating Voltage 12/24 VDC
Adjustable Delay Timer 0, 2.5, 5, 9 seconds
Weight 1-lb 13-oz (0.8kg)

Product Information Sheet (PI)


Problem Possible Cause Solutions:
Deadbolt does not activate when the door closes. The sensor in the lock body is too far from the magnet in the strike plate. • Try adjusting the strike plate, lock body position, or shims.
Deadbolt activates when the door is closed, but does not lock the door Deadbolt may not be properly going into the deadbolt hole in the door. • Make sure the deadbolt is going into the hole and not hitting the strike plate. If not, you must reposition the strike plate.
• If the deadbolt is going into the hole, it may be hitting the bottom of the hole (if it is in a wooden door). In this case, drill a deeper hole
How to reset unit. • When testing, if necessary, reset the unit by grounding the orange wire momentarily.
For any other problems. • Replace the unit, and test again. A problem unit can also be substituted for a working unit in another door frame to see if it works there.

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