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M5800i Mains Fence Energizer with Communications


The intelligent i Series system provides fence information at a glance, informing you of any problems immediately so you can take action to save time and money. The M5800i Fence Energizer has 58 Joules of stored energy and is suitable for fencing all types of animals, on farms up to 600 acres.

3 Year Warranty
Joule Icon 58


The M5800i Fence Energizer provides fence information at a glance and if it detects any faults, leads you directly to them, saving hours of searching.

The i Series M5800i Fence System comes with:

M5800i Energizer 

This reliable and energy efficient Energizer provides incredible fence performance regardless of extreme temperature conditions or unreliable power supply - adjusting power output to suit your fence conditions and minimise power consumption.

Energy efficient - adjusts its power output to suit your fence conditions and minimise power consumption
Quick scan LED fence performance lights: green light shows fence ok, red light flashes if there’s a fence fault and solid red light shows sudden increase in fence load 
Easy installation and good connection using split bolt recessed terminals 
User safety and reliable animal control with in-built lightning and short circuit protection 
Better fence management with output, earth and fence voltage alarms 
Flexible power options - can be used with an inverter (G51611) to allow battery powered operation 

Energizer Controller 

Provides total peace of mind that your fence is working correctly. The Controller shows all of your fence performance information (e.g. voltage, faults and location) in one convenient separate display box that can be located up to 50m away from the Energizer.

Fence Monitor

The Fence Monitor keeps a watchful eye on all corners of your fence. The M5800i comes with one monitor included, add up to five more on your fence system to turn it into a fully monitored set up that keeps the Energizer Controller constantly up to date with fence performance.

Remote Control & Fault Finder

The Remote saves hours searching for & fixing faults – it pinpoints the fault within the monitored zone and enables you to turn off the Energizer during repair and on again once complete.

The M5800i fence system is also compatible with the:

i Series WiFi Gateway (sold separately)

Fence performance in your pocket. Connect the i Series WiFi Gateway to your existing Gallagher i Series Energizer, install the app and subscribe to bring your fence to life.

Alarm System (sold separately)

Secure farm assets. Monitor a section of fence and drive external strobe lights, sirens or alarm panels if the circuit s broken e.g. a gate is open or a wire cut.


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