What is TommaTech Uno Home 3.3 kW Single-Phase Inverter?
In the residential Uno Home series, the 3.3 kVA TommaTech Uno Home 3.3 kW Single-Phase Inverter manages roof surfaces separately with two independent MPPTs. Fanless natural cooling provides quiet operation; the model is regarded as one of the mid-power steps of the family.
For 3300 VA nominal output, up to 4950 Wp of array power can be connected on the panel side; this is about 1.5 times the AC power. The maximum input current of the MPPT inputs is 12/12A; the start-up voltage is 100 V and the highest AC current is 15.8A.
Key technical specifications
| Feature | Value |
|---|---|
| Model | Uno-H-3.3 |
| Nominal AC power | 3300 VA |
| Max. PV array power | 4950 Wp |
| Max. DC voltage | 600 V |
| MPPT voltage range | 70-580 V |
| Start-up voltage | 100 V |
| Number of MPPTs | 2 (one string input each) |
| Max. AC current | 15.8A |
| Max. efficiency | 97.8% |
| European efficiency | 97% |
| Protection rating | IP65 |
| Dimensions | 341.5 × 430 × 143 mm |
| Weight | 13.5 kg |
Which projects is it suitable for?
3.3 kVA suits a small-to-medium home, an apartment roof or a garden-floor flat; it covers a significant part of a family's monthly consumption during the day.
Use in Antalya and Solar Nexo support
In Antalya's hot summers, choosing a shaded, ventilated mounting location for the inverter on the roof is important for efficiency. The wide MPPT range helps keep the array within its operating window even in hot hours when panel voltage drops. The Solar Nexo team is with you from the site survey through commissioning. The datasheet can be downloaded from the document section on the page; our engineering team can help with technical details.
