M2800i 28 Joule / Powers up to 250 Miles / 1500 Acres

Gallagher M2800i






Clean Fence: 250 miles / 1,500 acres​
Typical Fence:​ 50 miles​ / 1,000 acres
28 Stored Joules
UL Approved

Extra shipping charges may be required for Alaska and Hawaii 

  • Stored energy: 28 Joules
  • Output energy 15.5 Joules
  • Suitable for property size: Up to 1500 acres or 250 miles of multi wire fencing
  • Mains powered with option to be powered from a battery through an inverter
  • Green indicator light flashes when energizer is working satisfactorily
  • Red indicator light flashes when energizer has detected a fence fault. Solid red when there is a sudden increase in fence load
  • Split bolt recessed terminals with wire guide for simple and clean wire installation
  • Surface mount technology that delivers superior quality
  • Features high performance adaptive output control technology automatically adjusts to suit your fence conditions while minimising power consumption. Includes alarms to highlight when fence or earth problems occur
  • Alarms on output, fence and earth voltage alert when voltage is under pre-set levels. Default alarm levels are: output voltage 3kV, earth voltage 500V
  • Advanced lightning protection
  • Self diagnostic ability allowing you to determine the fault in your system quicker
  • RFI (Radio Frequency Interference) suppressed circuitry
  • High tolerance in-built power supply enables successful operation on the poorest performing rural power outlets
  • Short circuit protection to ensure user safety and product reliability if the outputs are directly shorted together
  • Three high voltage terminals for earth, earth reference and fence terminal connections
  • Power supply requirements: 110 to 120 Volt AC.
  • Adaptive control will adjust energy levels to maintain 8.0kv output
  • Comes with separate Energizer Controller*
  • Accurately measure fence voltage and current, with arrow showing direction of current flow (fault location). Retrieves and displays alarm status of the energizer and connected zones
  • Compatible with SMS Energizer Controller enabling alarms to be sent to your phone, fence performance status checked and energizer turned on/off via text message(sold separately) 
  • Energizer can be connected to an Alarm System to notify you if there is a problem on a monitored section of fence should an electric gate be opened or wire cut. Alarm is sent to controller, remote or your phone (via SMS Energizer Controller). Alarm System can drive siren and strobe lights (all sold separately).  

* Energizer Controller

  • Easily monitor and control fence performance
  • Mount in a convenient location up to 50m** from energizer for easy access of fence performance information
  • View fence and zone performance at a glance (zone applies to M1800i and M2800i)
  • Turn energizer ON/OFF from controller

Learn More Here!


Dimensions:  345mm /  220mm /  90mm
Weight: 3.8kg
Warranty: 2 years
Product Code: G306504


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