Fronius Symo 12.5-3-M Lite is a 12.5 kW three-phase inverter engineered for commercial and residential PV systems. Part of the SnapINverter family, it balances high performance with straightforward installation and maintenance.
Key Features:
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2.5 kW nominal AC output, three-phase configuration—ideal for commercial applications.
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Two independent MPPT inputs allow flexible string layout and better partial-shading management.
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Integrated Arc Guard technology provides DC arc-fault detection and fire-risk reduction.
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Wide DC input voltage range (200-1000 V) supports high-voltage PV string designs.
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SnapINverter design enables quick service and maintenance, minimizing system downtime.
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Prepared for communication: Built-in LAN and USB, with an optional slot for a WLAN module.
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IP66 rated for outdoor installation, with a robust design for long-term reliability.
Technical Data Table
Here are the key technical specifications for the Fronius Symo 12.5-3-M inverter.
| Parameter | Specification |
|---|---|
| AC Nominal Output | 12.5 kW |
| Max. PV Generator Power | 18.8 kWp |
| Number of MPP Trackers | 2 |
| MPP Voltage Range | 320 – 800 V |
| DC Input Voltage Range | 200 – 1000 V |
| Max. Input Current per MPPT | 27.0 A / 16.5 A |
| Max. Efficiency | 98.1% |
| European Efficiency | 97.6% |
| Grid Connection | 3~ NPE 400/230 V or 380/220 V |
| Protection Rating (IP) | IP66 |
| Dimensions (H x W x D) | 725 x 510 x 225 mm |
| Weight | 34.8 kg |



























