Ground Fault Investigation Guidance
Ground fault alarms can be caused by a range of site-side issues, including AC wiring faults, incorrect polarity, poor earthing, abnormal grid supply conditions or high earth electrode resistance on TT systems. In some cases, the issue may also relate...
H1-G2 Cable Covers Now Available
Fox ESS is pleased to confirm that cable covers for the H1-G2 are now available. Developed in response to installer feedback, the covers are designed to attach directly to the main chassis, helping to provide added protection against tampering while...
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...
Inverter firmware updates now available directly in the Fox Cloud App
We’re excited to announce a major update to the Fox Cloud App – customers can now update inverter firmware directly from their phone, without needing to contact Fox Support. Until now, firmware updates had to be requested through our technical...
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....
5-second live energy flow available on FoxCloud for selected devices
We’re rolling out a major upgrade to the Fox ESS app that brings your system to life in near real time. The main energy-flow screen will now refresh every 5 seconds, instead of every 3–5 minutes, giving you a far...
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...
Coming soon: Fox cable covers
In response to installer feedback, Fox is developing a new range of cable covers designed for our full range of hybrid inverters and modular batteries. These covers attach directly to the main chassis, providing added protection against tampering while delivering...
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...
