Electric Door Strike for Metal Doors, fail-secure or fail-safe, 24VDC

The SECO‑LARM® Electric Door Strike can be used to convert cylindrical lock sets into an electronic access controlled locking system. Combine with an optional SECO‑LARM® digital keypad for keyless high security

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  • UL 294 & UL 1034 Listed
  • Field-selectable for fail safe or fail-secure operation
  • Can be used with virtually any cylindrical door locking system
  • Can use with an optional digital keypad
  • Suitable for office-type applications
  • Reversible non-handed design fits either right hand or left-handed doors
  • Shallow design for use with most metal doors
  • Powered by a solenoid, not a buzzer coil
  • Static strength – 1,000 lbs. (454kg)
  • Stainless steel keeper for strength and long life
  • Non-polarized connection
  • Tested to 250,000 cycles
  • Optional lip-extension brackets available:
Operating Voltage 24VDC
Operation Fail-secure or Fail-safe
Current Draw 150mA
Static Strength 1,000-lb
Operating Temperature 14°F~113°F (-10°~45° C)
Dimensions 4-7/8″x1-1/4″x1-1/4” (124x32x32 mm)

Product Information Sheet (PI)





  1. Check that the door latch is operating properly, and replace if necessary.
  2. The position of the electric strike may need to be adjusted by moving it or adding washers or shims.
  1. Unmount the strike and check that the two wires are connected properly.
  2. Ensure the wires are connected to a 12 or 24VDC source.
  3. 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.
  4. Make sure the activation device (keypad or push-button switch) is working properly.

Use DC power supply instead of AC power

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