5.4 kWp Self-Consumption/Feed-in Solar Kit – Tri 4.0 kVA – without storage
Three-Phase Photovoltaic Solar Kit for Optimal Self-Consumption
This three-phase solar kit is designed to meet the energy needs of individual homes or small businesses. Comprising high-performance solar panels and a world-renowned SMA three-phase inverter, it offers an effective solution for generating your own electricity and significantly reducing your energy bill.
Key Benefits:
- Self-Consumption: Reduce your electricity bill by consuming the energy directly produced by your panels.
- Performance: High-performance solar panels for maximum production.
- Reliability: Quality SMA inverter for efficient energy conversion.
Estimated Production and Savings:
With this kit equipped with 12 solar panels of 445Wc each, you can expect an annual production of approximately 5874 kWh, on average for central France. This production could save you an estimated €1762.2 per year, considering an electricity purchase price of €0.30/kWh.
Why Choose This Kit?
- Three-Phase: Suitable for larger electrical installations.
- German Quality: SMA inverter: guaranteed reliability and performance.
- Customized: Tailored installation to meet your specific needs.
Ready to take the step towards self-consumption? Contact our experts for a personalized study and a free quote.
This kit includes
- 12XLeapton N-Type 450Wp TOPCon bifacial solar panel
- 1XSMA Sunny Tripower Tri 4 kW Grid-Connected Inverter – STP4.0-3AV-40
- 1XDisjoncteur Schneider Acti9 - 4P - 16A - Courbe C - 400V - Réf. R9F64416
- 2X2X4mm2 solar cable with MC4 type (sold per metre)
- 1X6mm² earth cable (sold by the meter)
€1,201.60 (Tax incl.)
€50.70 (Tax incl.)
Invest in the future with our high-performance solar kit.
Thanks to the SMA Sunny Tripower inverter, benefit from cutting-edge technology and optimal efficiency.
This kit is designed primarily for connection to the public grid.
The basic kit comprises 12 solar panels, an SMA Sunny Tripower STP 4.0 TL INT Blue inverter, solar cables to connect the panels to the inverter and the inverter to your electrical panel, and the panel mounting system is available as an option. (The mounting system, as well as the cabling and protective components, can be customised to suit your requirements).
All our kits are customisable. In the options, you can click on the product to choose a different model or change the quantities to tailor the kit to your needs.
You can also view the details of the selected products directly below the price.

Solar panels
Selected from the latest technologies, this panel offers unrivalled efficiency.
See its product sheet in our panels section to find out more.
And don't forget, we offer you the flexibility to choose the panel model you prefer.
We invite you to consult our solar production simulator to find out exactly what your solar production will be.
Different types of cells
|
Perc |
N-Type |
HJT |
|
|
Efficiency |
Approximately 19-22 | Approx. 20-23 | Approximately 21-24 |
|
Cost |
Moderate | High | Very high |
|
Temperature coefficient |
Approximately -0.3 to 0.4% per °C | Approx. -0.3% per °C | Approximately -0.2% per °C |
|
Annual degradation |
Approx. 0.5 - 07 | Approximately 0.4 - 0.5% | Less than 0.5% per year |
|
Durability |
Good | Very good | Excellent |

SMA Sunny Tripower 4 kW three-phase inverter: optimal solar performance and maximum reliability
Optimise your photovoltaic system with the SMA Sunny Tripower STP4.0-3AV-40 grid-connected inverter, a three-phase solution designed for residential installations and small commercial projects. It combines high efficiency, flexibility and intelligent management to maximise your solar output sustainably.
Thanks to its two independent MPPT trackers, this inverter ensures optimal operation of your panels, even in cases of multiple orientations or partial shading. The integrated OptiTrac Global Peak and ShadeFix technologies significantly improve yield under all sunlight conditions.
With a maximum efficiency of up to 98.2%, the Sunny Tripower 4 kW guarantees extremely efficient energy conversion, ideal for increasing your self-consumption and reducing your electricity bills.
Compact and lightweight (approx. 17 kg), it is designed for quick and easy installation, with intuitive connectivity and a wall-mounted design that simplifies installation.
Its robust design with IP65 protection ensures excellent resistance to outdoor conditions, whilst its passive cooling guarantees quiet and long-lasting operation.
Connected and smart, it enables real-time monitoring of production via the SMA Sunny Portal and Sunny Places platforms, offering comprehensive energy management accessible remotely.
The ideal choice for a high-performance, reliable and scalable three-phase solar installation.
Data sheet
- Inverter power in VA
- 4000 VA
- Kit output voltage
- 230V
- Type of need
- Self-consumption
- Battery storage
- Without storage
- Wind turbine
- Without
- Number of panels
- 12 panels
- Mains re-injection
- With
Specific References
- UPC
- 712971133075
- EAN13
- 0712971133075
5.4 kWp Self-Consumption/Feed-in Solar Kit – Tri 4.0 kVA – without storage — Solar kit
5.4 kWp Self-Consumption/Feed-in Solar Kit – Tri 4.0 kVA – without storage by Wattuneed is available in our Solar kit catalog.
- inverter power in va: 4000 VA
- kit output voltage: 230V
- type of need: Self-consumption
- battery storage: Without storage
- wind turbine: Without
- number of panels: 12 panels
- mains re-injection: With
Product weight: 250.0 kg. Reference: 10041.