Compatible panels for Fronius Fronius Symo 3.7-3-M

4 kW · 2 MPPT · Max DC 1000 V

Inverter461

AC power4 kW

Max PV input7.4 kW

Max DC1000 V

MPPT range150–800 V

MPPT2×

Coldest temperature

°C

Lowest expected winter temperature in your area

Hottest temperature

°C

Highest expected summer temperature in your area

Mounting type

How the panels are mounted affects operating temperature

Ground surface

Affects only bifacial panels — reflected light increases current, which may change compatibility

Strings per MPPT

Inverter spec: 2. Increase if using Y-connectors to parallel more strings — current limits still apply.

Production tolerance (IEC 62548)OFF

Apply worst-case Voc +3% and Isc +5% to account for manufacturing variance. Recommended for safety-critical designs.

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