Solar inverters · Compare

Fronius Primo GEN24 3.6 vs Sungrow SH3.6RS

AC power: Fronius Primo GEN24 3.6 3.6 kW, Sungrow SH3.6RS 3.6 kW. Both models win equally often (4 of 12 points).

Who wins where

  • Fronius Primo GEN24 3.6
  • Sungrow SH3.6RS
PerformanceEfficiencyNoiseElectricalConnectivity & smartDimensions & weight
Performance: Fronius Primo GEN24 3.6 34, Sungrow SH3.6RS 34; Efficiency: Fronius Primo GEN24 3.6 27, Sungrow SH3.6RS 25; Noise: Fronius Primo GEN24 3.6 27, Sungrow SH3.6RS 16; Electrical: Fronius Primo GEN24 3.6 37, Sungrow SH3.6RS 61; Connectivity & smart: Fronius Primo GEN24 3.6 39, Sungrow SH3.6RS 56; Dimensions & weight: Fronius Primo GEN24 3.6 79, Sungrow SH3.6RS 51

Biggest differences

FactPrimo GEN24 3.6SH3.6RS
MPPT voltage min.200 V40 V
Max. input current per MPPT22 A16 A
Weight15.4 kg18.5 kg
Noise42 dB(A)45 dB(A)
MPPT voltage max.530 V560 V
All specifications ↓

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

Technical specifications FroniusPrimo GEN24 3.6 SungrowSH3.6RS
Performance
AC power 3.6 kW 1 3.6 kW 1
Max. PV array power 5.52 kWp 2 –
MPP trackers 2 2 2 3
Efficiency
Max. efficiency 97.6 % ✓ 2 97.5 % 3
European efficiency 97 % 2 97.1 % ✓ 3
Noise
Noise 42 dB(A) ✓ 2 45 dB(A) 3
Electrical
MPPT voltage min. 200 V 2 40 V ✓ 3
MPPT voltage max. 530 V 2 560 V ✓ 3
Max. input current per MPPT 22 A ✓ 2 16 A 3
Phases 1 1 1 1
Connectivity & smart
Hybrid (battery-ready) No 1 Yes ✓ 1
Backup power Yes 2 Yes 3
Wi-Fi / monitoring Yes 2 Yes 3
Dimensions & weight
IP rating IP66 2 IP65 3
Width 474 mm 2 490 mm 3
Height 530 mm 2 340 mm 3
Depth 165 mm 2 170 mm 3
Weight 15.4 kg ✓ 2 18.5 kg 3

Sources

  1. ENA Type Test Register (inverters) — Energy Networks Association (ENA) · accessed 27 Sept 2026
  2. Fronius Primo GEN24 & GEN24 Plus 3.0 - 6.0 kW – datasheet, EN V04 (June 2025) — Fronius International GmbH · accessed 27 Sept 2026
  3. SH3.0/3.6/4.0/5.0/6.0RS Residential Hybrid Single Phase Inverter, 18 — Sungrow Power Supply Co., Ltd. · accessed 29 Sept 2026