Fox ESST4-G3
The Fox ESS T4-G3 is a solar inverter with AC power 4 kW, MPP trackers 2 and european efficiency 97.8 %.1
Key figures
Technical specifications
| Performance | |
|---|---|
| AC power | 4 kW1 |
| Max. PV array power | 6 kWp1 |
| MPP trackers | 21 |
| Efficiency | |
| Max. efficiency | 98.6 %1 |
| European efficiency | 97.8 %1 |
| Electrical | |
| MPPT voltage min. | 140 V1 |
| MPPT voltage max. | 1,000 V1 |
| Max. input current per MPPT | 14 A1 |
| Phases | 31 |
| Dimensions & weight | |
| IP rating | IP651 |
| Width | 370 mm1 |
| Height | 480 mm1 |
| Depth | 183.5 mm1 |
| Weight | 17 kg1 |
Manufacturer documentation
- Product page
- Datasheet / specifications — T SERIES(G3) THREE-PHASE INVERTER – V2.5 | 2026/07/03
External links to Fox ESS's official website. The manufacturer may change or move documents; where they differ, the manufacturer's latest version applies.
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Frequently asked questions
What is the AC power of the Fox ESS T4-G3?
The AC power of the Fox ESS T4-G3 is 4 kW.1
What is the MPP trackers of the Fox ESS T4-G3?
The MPP trackers of the Fox ESS T4-G3 is 2.1
What is the european efficiency of the Fox ESS T4-G3?
The european efficiency of the Fox ESS T4-G3 is 97.8 %.1
What is the max. PV array power of the Fox ESS T4-G3?
The max. PV array power of the Fox ESS T4-G3 is 6 kWp.1
Sources
- T SERIES(G3) THREE-PHASE INVERTER, V2.5 | 2026/07/03 — Fox ESS · accessed 29 Sept 2026