Merlin 4i with keypad, Security electric fencing | Nemtek

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Merlin 4i with keypad


The Merlin 4i energizers have been field tested for many years and boast unsurpassed reliability. Simple to install and easy to maintain.
The Merlin 4i includes a keypad for controlling and programming the energizer. The energizer can be installed near the fence and the keypad can be located where it is most convenient for the user. This allows the user to control the energizer remotely, with up to four keypads.

The Merlin 4i energizer is single zone and offers the following features:

  • 3.7J output
  • Built-in alarm monitors tampering or faults on the high voltage and earth fence wires
  • Connectable to armed response radio or GSM module
  • Lightning and power surge protection
  • Intelligent power saving to extend battery life
  • Powered by 230V mains and includes built-in battery for back up power
  • Built-in gate alarm input to monitor if the gate is open or closed
  • Gate chime available to alert that the gate has been opened or closed
  • The fence voltage outputs can be adjusted using the keypad
  • The siren and gate outputs can be bypassed using the keypad


Please contact us for stock availability and pricing on any Nemtek Security products.




Stock Code Name
E-MER4I Merlin 4i-4J Energiser with Keypad
E-MER4I/UK Merlin 4i-4J Energiser with Keypad-UK Plug



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Nemtek has become the benchmark in the electric security fencing industry. The Nemtek group manufactures and supplies a full spectrum of energizers and fencing hardware for industrial, commercial and residential applications, and is the product of choice to protect and deliver peace of mind. General terms Privacy Policy Contact Us About Us Gallery ISO 9001
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