Fronius Symo Advanced 20.0-3-M is a robust three-phase string inverter engineered for commercial and industrial solar applications . This model advances the SnapINverter portfolio by integrating reliable arc protection with Fronius Arc Guard technology and offers superior design flexibility with its SuperFlex Design for complex roof planning . It is built for maximum energy yield, ease of installation, and long-term reliability.
Key Features
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Integrated Safety: Fronius Arc Guard technology reliably detects dangerous electrical arcs and shuts down the PV system to enhance fire safety .
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Design Flexibility: SuperFlex Design with two MPP trackers and a wide DC input voltage range (200 – 1000 V) allows for highly flexible module alignment and connection to handle complex roof layouts .
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Optimized Performance: The Dynamic Peak Manager maximizes energy yield even when solar modules are partially shaded, functioning with no additional components required .
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Easy Installation & Service: SnapINverter technology uses a modular design that separates the connection area from the power stage set, making installation and servicing faster and easier .
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Smart Grid Ready: Equipped with Advanced Grid Features to meet future technical requirements for stable grid operation, including dynamic feed-in control .
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Robust Build: With an IP66 protection rating, the inverter is built to last and is suitable for both indoor and outdoor installation .
Technical Data Table
This table summarizes the core technical specifications for the Fronius Symo Advanced 20.0-3-M inverter.
| Parameter | Specification |
|---|---|
| AC Nominal Output | 20 kW |
| Max. PV Generator Power | 30 kWp |
| Number of MPP Trackers | 2 |
| MPP Voltage Range | 420 – 800 V |
| DC Input Voltage Range | 200 – 1000 V |
| Max. Input Current per MPPT | 33.0 A / 27.0 A |
| Max. Efficiency | 97.8% |
| 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 | 39.8 kg |




























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