Fox ESS T12-G3 vs SolaX X3-MIC-12K-G2
AC power: Fox ESS T12-G3 12 kW, SolaX X3-MIC-12K-G2 12 kW. Both models win equally often (3 of 9 points).
Who wins where
- Fox ESS T12-G3
- SolaX X3-MIC-12K-G2
Biggest differences
| Fact | T12-G3 | X3-MIC-12K-G2 |
|---|---|---|
| Max. input current per MPPT | 14 A | 32 A |
| Max. PV array power | 18 kWp | 24 kWp |
| MPPT voltage min. | 140 V | 120 V |
| Weight | 17 kg | 18 kg |
Score per area = position (0–100) relative to all 238 models in this category; higher is better.
| Technical specifications | Fox ESST12-G3 | SolaXX3-MIC-12K-G2 |
|---|---|---|
| Performance | ||
| AC power | 12 kW 1 | 12 kW 2 |
| Max. PV array power | 18 kWp 1 | 24 kWp ✓ 3 |
| MPP trackers | 2 1 | 2 3 |
| Efficiency | ||
| Max. efficiency | 98.6 % ✓ 1 | 98.3 % 3 |
| European efficiency | 97.8 % 1 | 97.8 % 3 |
| Electrical | ||
| MPPT voltage min. | 140 V 1 | 120 V ✓ 3 |
| MPPT voltage max. | 1,000 V ✓ 1 | 980 V 3 |
| Max. input current per MPPT | 14 A 1 | 32 A ✓ 3 |
| Phases | 3 1 | 3 2 |
| Connectivity & smart | ||
| Hybrid (battery-ready) | – | No 2 |
| Dimensions & weight | ||
| IP rating | IP65 1 | IP66 3 |
| Width | 370 mm 1 | 342 mm 3 |
| Height | 480 mm 1 | 434 mm 3 |
| Depth | 183.5 mm 1 | 156 mm 3 |
| Weight | 17 kg ✓ 1 | 18 kg 3 |
Sources
- T SERIES(G3) THREE-PHASE INVERTER, V2.5 | 2026/07/03 — Fox ESS · accessed 29 Sept 2026
- ENA Type Test Register (inverters) — Energy Networks Association (ENA) · accessed 27 Sept 2026
- X3-MIC G2, V3.1 — SolaX Power · accessed 29 Sept 2026