Seco-Larm SD-994A-A1SQ Reversible Electric Door Strike for Wood Doors, Symmetric, Fail-Secure, 8~16VAC / 12VDC

Seco-LarmSKU: SD-994A-A1SQ

Sale price$36.25
Usually ships within 3-5 business days

Pickup available at Brooklyn

Usually ready in 24 hours

Our team of experts is a phone call away!
Call us at 718-435-2800


The SECO-LARM® Electric Strikes are the ideal way to convert cylindrical lock sets into an electronic access-controlled locking system. The strikes come in two varieties: asymmetric and symmetric. Both models come with a reversible faceplate for right-hand or left-hand doors and have a fail-secure operation

*The strike portion is centered on the  reversible faceplate

  • 8~16VAC / 12VDC Operating voltage
  • For use on wood doors
  • Can be used with virtually any cylindrical-door locking system
  • Fail-secure operation
  • US26D Chrome faceplate
  • Miniature lock body for easier installation
  • Faceplate size: 57/8“x11/4“x1/8” (150x32x3.2 mm)
  • Corrosion-resistant case and moving parts
  • 1,000-lb (453kg) Jaw strength
  • Tested to 500,000 cycles
  • Reversible for right- or left-hand doors
  • Current draw: 800mA@16VAC 750mA@12VDC
  • Keeper depth: 21/32” (16.8mm)
  • Latch depth: 3/4” (19mm)
  • Strike depth: 11/2” (38mm)


Operating Voltage 8~16 VAC/12VDC
Operation Fail secure
Current Draw 800mA@16VAC, 750mA@12VDC
Operating Temperature 14°~113° F (-10°~45° C)
Weight 10.3-oz (292g)



Electric strike does not activate
  • Remove the strike and check that the wires are connected properly
  • Use a multimeter to test that the strike is receiving the proper voltage and amperage. If it is not, it may be necessary to use heavier gauge wires, or increase the output of the power supply
  • Make sure the activation device (keypad or pushbutton switch) is working properly
Door does not open when the electric strike is activated
  • Check that the door latch is operating properly, and replace if necessary
  • The position of the electric strike may need to be adjusted by moving it or  adding washers or shims

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