The Merlin Stealth master energizer is a powerful energiser that can be used where more than two zones are required by adding Merlin Stealth energizer together to form a network of energizers. Separation of the fence into zones allows easy identification of the zone affected by fence faults or tampering. The Merlin Stealth master energizers can be programmed to offer customised solutions.

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Product Features

  • 7.6 Joule output energy (two-zone)
  • Up to nine extra two-zone Merlin Stealth energizers can be connected into a 20 zone system.
  • The system is controlled by the 20-zone LED keypad
  • Robust and flexible design for home, commercial and industrial security
  • 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
  • Easy-to-use tag included for controlling the energizer
  • Powered by 240V mains and includes built-in battery for back-up power
  • Two built-in gate alarm inputs to monitor if the gates are open or closed

Product Specifications

Additional information

Enclosure Size

L370 x W232 x D145

Weight Excluding Battery (7AH)


Weight Including Battery (7AH)


IP Rating


Operating Temperatures

-10°C to 50°C

Operating Humidity

< 80% non-condensing

Electrical Supply Voltage


Typical Power Consumption (Normal Operating Conditions)


Standby Time (Fully Charged Battery)


Energy Output 500 Ohms Load

7.6 Joule

Open Circuit Voltage

9 300V