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Presco Electric Door Release

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Presco Electric Door Release

Dual Voltage 12/24V Door Lock



The GK310 series is available in two models, GK310 Unmonitored or the GK310M with sensor switch output. The unitsare design for use with most hollow metal frames and aluminum frames. Stainless steel plate ensures strength and long life.

Version Changeable:

  • Easily convert from Fail safe operation (Power tolock) or Fail Secure (Power to open) by simply changing screw positions in 10 seconds! – No fiddly pins or springsto lose!

Long life solenoids:

  • Strikes are powered by a solenoid, not a buzzer coil. Special designed solenoid for strength and long life operating lifetime with guaranteed 1,000,000 operations.

CSIRO Fire-resistance Certificate:

  • The fitting of the alternative items of hardware, to the previously tested doorsets as reported in Sponsored Investigation FSV 0609, is permissible within the terms of
    clause 4.1 of Australian Standard 1905, Part 1-1997. The doorsets listed in the table below would qualify for the fireresistance level shown, if fitted with the alternative items of hardware.

Sensor Switch Monitoring Output (EL310M Only):

  • The models with “Sensor Switch monitoring output” function is EL310M , indicates the lockset locked or unlocked status.


  • GEM are warranted against defects in material and workmanship while used in normal service for a period of 3 years from the date of sale to the original
  • Internally mounted solenoid
  • Field selectable fail-safe / fail-secure
  • Keeper width 45mm
  • Accommodates 15 mm latch throw
  • Use with cylindrical and mortise locksets without deadbolt
  • Economically priced
  • Power to lock/power to release changeable via two screws
  • Stainless steel striker for extra strength
  • Mounting kit & template included
  • Optional 25mm & 50mm lip extensions
  • Monitored version available (GK-300M)
  • 3 year warranty
  • Dual voltage selectable 12/24 VDC
  • Current Draw: 0.25 A@12 VDC; 0.15 A@24 VDC at temperature 20
  • Sensor Switch monitored output (EL300M), Rating 2A@ 125V, indicates the lockset locked or unlocked status.
  • Operating Temperature: -10~45
  • Humidity: 0~95% non-condensing.
  • Lock’s surface Temperature (when the power is on): current temperature +20
  • 2000 LBS jaw strength pull testing.
  • Tested to 1,000,000 cycles.
  • Weight Approx. : 380 g


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This Product is offered and supplied by Dick Smith pursuant to the Terms and Conditions.

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