Key Highlights
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Ideal for protecting valuable livestock, equipment, and property.
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Monitors fence voltage and triggers alarms when power drops or circuits are broken.
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Connects to external sirens (G56902), strobe lights (G56901), or alarm panels.
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Detects fence faults, power failures, or wire breakages in real time.
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Integrates seamlessly with Gallagher i Series Energizers for advanced monitoring.
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Alerts appear on the energizer control display for immediate awareness.
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Built for security, reliability, and peace of mind in high-value farm environments.
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Compact, durable construction designed for outdoor agricultural use.
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Covered by a 1-year Gallagher warranty.
The Gallagher i Series Alarm System (G57900) provides a powerful, integrated security solution for your electric fencing setup — perfect for safeguarding valuable livestock, machinery, or restricted areas. Designed to work seamlessly with Gallagher i Series Energizers, this system continuously monitors fence voltage and triggers alerts when faults or power losses occur.
When the voltage drops below a safe level due to shorting, a broken wire, or an open gate, the i Series Alarm System transmits an immediate alarm to your energizer’s control display. It can also activate external warning devices such as siren units (G56902), strobe lights (G56901), or security panels, ensuring you are alerted instantly to any breach or malfunction.
Whether used to protect animals, property, or equipment, this intelligent system adds an extra layer of defense to your Gallagher fencing setup. With its durable, weather-ready design and easy integration, it provides dependable performance and total peace of mind.
Specifications
| Feature | Details |
|---|---|
| Product Code | G57900 |
| Product Type | Alarm System |
| Compatibility | Gallagher i Series Energizers |
| Function | Monitors fence voltage and activates alarms during faults or breaks |
| Compatible Accessories | Siren (G56902), Strobe Light (G56901), Alarm Panels |
| Alert Method | Triggers alarm signal to control display |
| Application | Livestock protection, equipment security, perimeter monitoring |
| i Series Compatible | Yes |
| Product Weight | 3.3 lbs |
| Warranty | 1 Year |
Strengthen your farm’s security with the Gallagher i Series Alarm System (G57900). Designed to detect faults and activate sirens or strobes instantly, it ensures you’re always aware of potential issues — protecting your livestock, assets, and peace of mind.
Order your Gallagher i Series Alarm System today from SellEton Scales and safeguard your fencing system with smart, responsive security monitoring.
Contact us!
Free shipping: To the 48 contiguous states (residential, farm and rural deliveries may carry a carrier surcharge).
Ship date: Gallagher products ship on the maker's own lead time; we confirm the date when you order, or call 844-735-5386 before you buy.
Tracking: Emailed the moment your order ships.
Questions: (844) 735-5386 or info@selletonscales.com.








