Solax positions itself as a trusted, high-performance partner for a more sustainable energy future, delivering reliable hardware, plus the software intelligence needed to optimise how energy is produced, stored, and used.
High-capacity, intelligent inverters crafted for utility‑scale and large commercial solar systems. The X3‑MEGA G2 series delivers industry-leading performance, safety, and smart-grid readiness—whether you choose the 40 kW, 50 kW, or 60 kW model.
Exceptional Efficiency: Achieves up to 98.4% peak conversion efficiency, maximising your energy harvest.
Flexible PV Input Design: Supports 6 independent MPPTs, each handling up to 2 strings, with a wide 180–1000 V DC voltage window and 32 A per MPPT.
Impressive Oversizing & Overcurrent Capacity: Allows up to 150% PV oversizing and 110% AC overload, offering scalability and system flexibility.
Robust Protection & Reliability: IP66-rated enclosure; optional AFCI, built-in Type II SPDs on both AC and DC sides; smart string current monitoring for safer operation.
Smart Monitoring & Grid Support: Features export power control, remote configuration and firmware updates, I‑V curve diagnostics, and optional night-time reactive power compensation for improved grid performance.
Optimised Build: Utilises advanced heat dissipation plus smart air cooling to reduce weight and size by over 10%, while enhancing fan longevity.
Compact Form Factor: All versions measure 630 × 521 × 286 mm and weigh approximately 44–45.5 kg, streamlining installation.
Nominal Output: 40 kW
Max PV Input: Up to 60 kW
Max Output Current: ~58 A
Start-Up Voltage: 200 V
Built for resilient commercial-grade energy generation in varied environments.
Nominal Output: 50 kW
Max PV Input: Up to 75 kW
Max Output Current: ~72.5 A
Includes built-in export control and AFCI for robust safety and compliance.
Nominal Output: 60 kW
Max PV Input: Up to 90 kW
Max Output Current: ~87 A
Integrated protections include overcurrent, over/under-voltage, temperature control, and AFCI—delivering superior performance under demanding conditions.
| Model | Rated Output | Max PV Input | Key Strengths |
|---|---|---|---|
| 40 kW | 40 kW | 60 kW | Balanced commercial capacity, robust features |
| 50 kW | 50 kW | 75 kW | Higher capacity, AFCI, export control |
| 60 kW | 60 kW | 90 kW | Top-tier power, full grid protection suite |
| 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
