Solar inverters · Compare

Fox ESS T10-G3 vs Fronius Symo GEN24 10.0

AC power: Fox ESS T10-G3 10 kW, Fronius Symo GEN24 10.0 10 kW. The Fox ESS T10-G3 is better on 4 of 9 comparable points.

Who wins where

  • Fox ESS T10-G3
  • Fronius Symo GEN24 10.0
PerformanceEfficiencyElectricalDimensions & weight
Performance: Fox ESS T10-G3 70, Fronius Symo GEN24 10.0 70; Efficiency: Fox ESS T10-G3 91, Fronius Symo GEN24 10.0 81; Electrical: Fox ESS T10-G3 54, Fronius Symo GEN24 10.0 48; Dimensions & weight: Fox ESS T10-G3 64, Fronius Symo GEN24 10.0 32

Biggest differences

FactT10-G3Symo GEN24 10.0
MPPT voltage min.140 V278 V
Max. input current per MPPT14 A25 A
Weight17 kg23.4 kg
MPPT voltage max.1,000 V800 V
All specifications ↓

Score per area = position (0–100) relative to all 238 models in this category; higher is better.

Technical specifications Fox ESST10-G3 FroniusSymo GEN24 10.0
Performance
AC power 10 kW 1 10 kW 2
Max. PV array power 15 kWp 1 15 kWp 3
MPP trackers 2 1 2 3
Efficiency
Max. efficiency 98.6 % ✓ 1 98.2 % 3
European efficiency 97.8 % 1 97.9 % ✓ 3
Noise
Noise – 47 dB(A) 3
Electrical
MPPT voltage min. 140 V ✓ 1 278 V 3
MPPT voltage max. 1,000 V ✓ 1 800 V 3
Max. input current per MPPT 14 A 1 25 A ✓ 3
Phases 3 1 3 2
Connectivity & smart
Hybrid (battery-ready) – No 2
Backup power – Yes 3
Wi-Fi / monitoring – Yes 3
Dimensions & weight
IP rating IP65 1 IP66 3
Width 370 mm 1 529 mm 3
Height 480 mm 1 595 mm 3
Depth 183.5 mm 1 180 mm 3
Weight 17 kg ✓ 1 23.4 kg 3

Sources

  1. T SERIES(G3) THREE-PHASE INVERTER, V2.5 | 2026/07/03 — Fox ESS · accessed 29 Sept 2026
  2. ENA Type Test Register (inverters) — Energy Networks Association (ENA) · accessed 27 Sept 2026
  3. Fronius Symo GEN24 & GEN24 Plus 3.0 - 10.0 kW – datasheet, EN V05 (May 2025) — Fronius International GmbH · accessed 27 Sept 2026