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Cyclops MASTER 20 Joule AC Energizer
Check the estimated time of arrival for your order.
Usually ships in 1-2 business days
Speccing your system? See our electric fence energizer technical reference — joule sizing tables, voltage targets by species, grounding math, and the IEC/USDA standards behind the spec sheets.
20 Joules of American-Made AC Fence Power — The Cyclops MASTER
The Cyclops MASTER 20 Joule AC Energizer is built for large commercial operations where fence performance is non-negotiable — 20 joules of low-impedance output that pushes voltage through heavy vegetation, long multi-strand runs, and the most demanding livestock containment scenarios without flinching. When the SUPER isn't enough, the MASTER is the answer.
Proudly made in the USA with Cyclops's industry-leading lightning protection, built-in fence load detector, and modular design for easy repair. Plug it in, connect your fence, and trust it to run.
Features
20 Joule Low-Impedance Output
High-output power for large commercial operations with heavy vegetation, long runs, and demanding multi-strand fence systems.
Mains-Powered (AC)
Plug-in operation — consistent, uninterrupted power without battery maintenance.
Built-in Fence Load Detector
Monitors fence load continuously for reliable performance awareness.
Industry-Leading Lightning Protection
More lightning protection than any other charger on the market — built-in heavy-duty surge suppressor.
American Made
Proudly manufactured in the USA with quality parts and modular design for easy repair and long service life.
Specifications
- Output Energy: 20 Joules
- Power Source: AC mains (plug-in)
- Warranty: 1-Year (extended warranty available)
- Made in: USA
When you need more than SUPER — the Cyclops MASTER delivers 20 joules of American-made, low-impedance AC fence power for the most demanding large-scale operations.
Compare across the full lineup: See all electric fence energizers we carry — Speedrite, Gallagher, Cyclops, and Patriot — sized 0.12 to 86 joules. Need help sizing? Use our free electric fence charger sizing calculator or call 888-251-3934.
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