Enclosure Guidance for Fox ESS Energy Storage Systems (UK)
As battery storage installations become increasingly common across the UK, installers are often required to consider additional protective measures such as external housings, cabinets, insulated enclosures, plant rooms, utility cupboards, and weather protection structures. This guidance is intended to clarify...
Scalable Commercial Energy Storage: H3 Plus & CQ16 Overview with Chris Williams
Join FoxESS C&I Sales Manager Chris Williams for a quick overview of our powerful commercial energy storage solution – the H3 Plus inverter paired with CQ16 batteries. Designed for flexibility and built to scale, this system adapts to a wide...
Introducing the PQ1 – Smarter, Stronger, More Refined
Introducing the latest evolution of our all-in-one storage solution – the PowerQ PQ1. In this video, we take you through what’s new, what’s improved, and what it means for installers and end users. The PQ1 builds on the proven modular...
Installation Clearances & Environmental Position Statement (UK)
Fox ESS products are designed for safe and reliable operation across a wide range of real-world installation environments. Published installation manuals provide recommended clearances and environmental conditions based on standardised testing and optimal performance scenarios. Download a PDF copy of...
UPDATED: CT clamp (single-phase) installation guidance & troubleshooting
UPDATED 19/01/2026 to include new video guides. All single-phase hybrid inverters and AC chargers are supplied with a CT clamp & cable – this is essential for grid import/export monitoring and it a compulsory element of any installation with batteries....
Understanding cable & breaker sizing on Fox ESS single-phase Hybrid Inverters
We occasionally receive questions from installers who notice that the maximum input current shown on a datasheet appears higher than the breaker and cable sizing recommended in the installation manual. A typical example is the H1-G2 3.7, which lists a...
Product launch: EPS BOX-SP
Fox are delighted to announce the launch of our new single-phase EPS box, a solution for automatic changeover for whole-home backup. Compatible with all current single-phase hybrid inverters and AC chargers (H1-G2/K/PowerQ and EVO), the EPS BOX-SP will be available...
G98/99/100 type test report downloads
If you are requested to supply the type test report to accompany your DNO application, a full archive of downloads is provided below: ModelG98G99G100Cyber Security DeclarationS G2 (all models)DownloadDownloadF3000 (G3)Download Download F3600 (G3)Download F4600 (G3) DownloadF5000 (G3) DownloadF6000 (G3) DownloadG7 DownloadDownload G8 DownloadG9 DownloadG10 DownloadG10.5 DownloadT3 (G3)Download Download T4 (G3)Download T5 (G3)Download T6 (G3)Download T8 (G3)Download T10 (G3)Download T12...
Why FoxESS recommends a minimum 100mA RCD on the AC side
One of the more frequent questions we receive from UK installers concerns our recommendation for RCD protection on the AC side of our inverters. Specifically, when external RCD protection is required (based on local regulations or specific installation conditions), we...
Why does FoxESS recommend higher-rated MCBs than the inverter’s output?
One of the most common questions we get from installers and system designers is:“Why does the recommended MCB size in the FoxESS manual seem higher than the inverter’s rated output current?” At first glance, it seems counterintuitive. If an inverter...
