SECO-LARM SD-997A-GBQ Electric Deadbolt – Fail-Secure

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Electric Deadbolt – Fail-Secure

SECO-LARM Electric Deadbolts add concealed deadbolt security to most wood or hollow metal doors, with the convenience of electrical operation. They are designed for hollow metal door frames and not recommended for wooden door frames, though the door can be wood or metal.



  • Dual voltage – 12/24 VDC
  • Stainless steel for strength and long life with stainless steel bolt, 5/8″ diameter, 5/8″ throw
  • Magnetic switch senses door position for positive locking
  • Door open/close monitor (NO/NC/COM)
  • Adjustable door lock delay timer
  • Shallow design for use with most metal door jambs
  • Powered by a solenoid
  • Attempts to relock multiple times if the door is not closed properly


Operation type Fail-secure
Operation voltage 12/24 VDC
Current Draw Standby: 330mA@12VDC / 205mA@24VDC
Active: 880mA@12VDC / 470mA@24VDC
Door status sensor SPDT 250mA@12VDC (NO/NC/COM)
Lock delay timer 0/3/5/9 sec (adjustable)
Operating humidity 0~85% non-condensing
Operating temperature 32~194° F (0~90° C)
Dimensions Lock: 7-7/8″x1-1/4″x1-9/16″ (200×31.8×40.5 mm)
Strike plate: 3-9/16″x1″x1/8″ (90×25.7×3 mm)
Weight 2-lb 5-oz (1kg)