Fermax F-4540 | Loft Memokey Keypad for Access Control

£147.67 £123.06
  • This product is available to order. The lead time is normally 2 days
  • An accurate despatch date will be confirmed with you once order is received by our sales team (office hours).
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Fermax F-4540 | Loft Memokey Keypad for Access Control

Fermax F-4540 | Loft Memokey Keypad for Access Control

The Fermax 4540 is an access control membrane keypad. Users can now open their doors by entering a pre programmed code of up to 6 digits.

The device is a membrane keypad finishined in ABS plastic with status indicator LEDS. The ABS plastic makes the keypad durable and resistant and is recommnded for interior use.

Once a button on the keypad is pressed an acoustic confirmation tone sounds. Not only is there acoustic confirmation there is visual too. LEDs will show if a code has been accepted or rejected.

The 4540 has the capacity to register up to 100 different user codes. The chosen codes are all 4 to 6 digits long. It features an auxiliary open collector output so it can inform users of a vandalism attempt or if the door is open or been forced.

Open collector outputs have the purpose of signalling, for example, alarming. The keypad electric lock activation time ranges from 1 - 99 seconds.

The device is available for installation either flush mounted in which the device fits perfectly flat into the wall. It is also available surface mounted in which the device is mounted to fit on top of the surface.


  • 100 user codes
  • Auxiliary open collector output

Technical Specifications:-

  • Power supply: 12 ± 3 V (DC/AC).
  • Consumption: 20 - 70 mA
  • Operating temperature: 0 to 70 ¼C
  • Electronic protection: Sealed with epoxy resin.
More Information
Brand Fermax
No of codes 100 user codes
Type Stand Alone
Operating Voltage 12.0 Volt AC
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Fermax 4540 data sheet pdf(0.08MB)
Fermax instructions for Loft memokey Art. 4540 pdf(8.85MB)
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