Fox ESS products are engineered for reliability, scalability, and ease of use, offering customers flexible solutions that fit diverse energy needs while maximising self-consumption and cost savings.
£1,316.65 ex VAT£1,579.98 inc VAT
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30 kW • 50 kW — Designed for High‑Yield Commercial and Large Residential Systems
Engineered to meet the demands of high-output installations, the Fox ESS V Series delivers exceptional performance, unrivalled flexibility, and advanced protection in a rugged, compact form. Ideal for domestic-commercial solar arrays, these inverters offer the perfect blend of efficiency and reliability.
High Conversion Efficiency
Delivers up to 98.7 % maximum efficiency, ensuring top-tier energy yield from your solar generation.
Multiple MPPT Trackers for Maximum Harvest
The 30 kW model features dual MPPTs, while the 50 kW version boasts four MPPTs, optimising energy from multiple strings and complex roof layouts.
Robust Safety & Monitoring Protections
Integrated AFCI (arc-fault circuit interruption), real-time string performance monitoring, PID recovery, and comprehensive diagnostics support grid safety and long-term panel efficiency.
Built for Tough Environments
With an IP66 enclosure and smart air cooling, these inverters offer silent, maintenance-free operation and stand up to harsh UK and coastal conditions.
Flexible Installation & Monitoring
Features such as low start-up voltage and wide input voltage range extend generation hours. Remote access via Wi‑Fi, LAN, 4G, USB, or RS485 ensures full control and effortless configuration.
Upgradeable & Battery‑Ready
Both inverters are optimised for future integration with Fox ESS battery systems, allowing for seamless transitions to hybrid energy configurations.
| Model | Rated Power | MPPT Count | Max Efficiency | Weight & Size (approx.) |
|---|---|---|---|---|
| V Series 30 kW | 30 kW (three-phase) | 2 | 98.7% | 42 kg; 640 × 430 × 243 mm |
| V Series 50 kW | 50 kW (three-phase) | 4 | 98.5% | 50 kg; 640 × 430 × 243 mm |
Exceptional Efficiency: Up to 98.7 % conversion—that’s among the best in its class.
Smarter Harvest: With up to four MPPT trackers, maximise returns from diverse panel orientations.
Built for British Conditions: IP66-rated and corrosion-resistant for outdoor reliability.
Enhanced Safety: Built-in AFCI, diagnostics, and PID recovery offer peace of mind and long-term performance.
Future-Proof Design: Ready for easy battery integration as your energy needs evolve.
UK Installer Confidence: Hardware praised for quality and value:
“FoxESS are probably the most popular inverter… The hardware is great, very well‑made.”
“We have Fox ESS, and it’s been great so far.”
| Delivery Option | Delivery Time | Cost |
|---|---|---|
| Standard Delivery | 2-3 working days | £6.00 (£5.00 exVAT) |
| FREE Standard Delivery (orders over £99 exVAT)* | 2-3 working days | FREE |
| Next Working Day Delivery (order before 2pm) | Next working day | £9.99 (£8.33 exVAT)* |
| Next Working Day by 12pm (order before 2pm) | Next working day | £20.00 (£16.67 exVAT) |
| Next Working Day by 10:30am (order before 2pm) | Next working day | £21.60 (£18.00 exVAT) |
| Saturday Delivery (order before 2pm Friday) | Next working day | £20.00 (£16.67 exVAT) |
| Northern Ireland, Highland & Islands Delivery | 3-5 working days | £9.99 (£8.33 exVAT) |
Important: Orders placed after 2pm on Friday (or over the weekend) are processed on Monday for next working day delivery. Next Day & Saturday Delivery options NOT available on all products.
*FREE Standard & Next day delivery available on select products and will be clearly shown on the product page.
Please note: we cannot be held responsible for missed deliveries. Customers are advised to check their spam or junk folder to ensure tracking information and estimated delivery details are received.
Some products require specialist handling:
Last updated May 23, 2024
Thank you for your purchase, we hope you are happy with it.
However, if you are not completely satisfied with your purchase for any reason, you may return it to us for a full refund, store credit, or an exchange; please see below for more information on our returns policy.
RETURNS
If you find you have received the wrong or damaged item(s), you need to contact us within 7 days of receipt of goods. Any time after this you are responsible for returning the goods at your own cost following the standard returns process.
All returns must be postmarked and in writing within fourteen (14) days of the purchase date. All returned items must be in a new, unopened and unused condition, with all original tags and labels attached.
RETURN PROCESS
To return an item, please click the ‘Download Returns Form’ below and complete all data fields. You can then email this to our team once completed.
Place your item(s) securely in its original packaging along with the returns form.
Please note that the RMA# on the returns address is your original order number; please ensure to reference this on the returns address, as per below.
You are now ready to mail your return to the following address:
Attn: Returns
RMA #/Order No -
Eco WizardUnderfloor Wizard Ltd t/a ECO Wizard
Beechfield House
Winterton Way
Macclesfield
Cheshire
SK11 0LP
United Kingdom
We ask that all customers when returning products send the goods via a trackable courier service. Underfloor Wizard Ltd t/a ECO Wizard will not be held responsible for goods which do not arrive at our premises.
Please note, you will be responsible for all return shipping charges, unless in the instance of damaged/faulty goods received in which case we can issue you with a returns label to cover the cost of postage.
REFUNDS
After receiving your return and inspecting the condition of your item, we will process your return or exchange. Please allow at least seven (7) days from the receipt of your item to process your return or exchange. Refunds may take 1-2 billing cycles to appear on your credit card statement, depending on your credit card company. We will notify you by email when your return has been processed.
Faults on installed products:
If a product that has been installed develops a fault, please contact us, do not uninstall the product yourself. We will arrange for an engineer or technical support from the brand to assist with diagnosing the fault. Once the fault has been confirmed we can then arrange for the necessary next steps to occur.
EXCEPTIONS
The following items cannot be returned or exchanged:
QUESTIONS
If you have any questions concerning our return policy, please contact us at: returns@ecowizard.co.uk
