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Fronius Symo - The inverter for maximum flexibility

The Fronius Symo series impresses with its high efficiency and versatility. With power classes from 3.0 to 20.0 kW, it is the ideal choice for private and commercial photovoltaic systems. Thanks to its three-phase feed-in and integrated energy management system, the Symo series offers flexible application options and reliable power for every requirement.

Benefit from a wide input voltage range and innovative functions such as the integrated dynamic feed-in control. The Fronius Symo series is future-proof and perfect for systems of any size.

Also discover the Fronius Primo series for smaller systems and maximum flexibility.
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Fronius Symo - performance, reliability and innovation combined

Advanced functions for modern PV systems

The Fronius Symo series is designed for maximum flexibility. It impresses with a wide input voltage range, multi-MPP trackers and high compatibility with various module types. Thanks to its integration into existing energy management systems, it enables efficient energy distribution and use.

The three-phase feed-in makes it particularly suitable for systems in regions with strict grid requirements, while the absence of a transformer reduces weight and increases efficiency.

Technical highlights of the Fronius Symo series

  • Three-phase feed-in: For a stable grid supply and optimum energy distribution.
  • High compatibility: Support for different module types thanks to a wide input voltage range.
  • Multi-MPP tracker: For maximum energy yield with differently aligned modules.
  • Integrated energy management: Dynamic feed-in control for efficient use of the electricity generated.
  • Future-proof: Compatible with smart grid requirements and open for system expansions.

Symo inverters 

Symo 3.0-3-M:

  • Output: 3.0 kW
  • Max. Efficiency: 98.1 %
  • Weight: 19.9 kg
  • Input voltage range: 150 - 1,000 V
  • Special feature: Compact design for small and medium-sized systems

Symo 5.0-3-M: 

  • Power: 5.0 kW
  • Max. Efficiency: 98.3 %
  • Weight: 21.9 kg
  • Input voltage range: 200 - 1,000 V

Symo 10.0-3-M: 

  • Power: 10.0 kW
  • Max. Efficiency: 98.4 %
  • Weight: 26.1 kg
  • Input voltage range: 200 - 1,000 V
  • Special feature: Ideal for medium-sized commercial systems

Symo 15.0-3-M: 

  • Output: 15.0 kW
  • Max. Efficiency: 98.5 %
  • Weight: 35.7 kg
  • Input voltage range: 300 - 1,000 V

Symo 20.0-3-M: 

  • Power: 20.0 kW
  • Max. Efficiency: 98.6 %
  • Weight: 43.4 kg
  • Input voltage range: 300 - 1,000 V
  • Special feature: Maximum power for large systems

Sustainability and future-proofing

The Fronius Symo series stands for a sustainable and future-proof energy supply. Thanks to its high efficiency and durability, it contributes to reducing the carbon footprint. Open interfaces and compatibility with future technologies guarantee that these inverters will also meet the requirements of tomorrow.

Discover the other Fronius series such as Symo Gen24 and Symo Hybrid, which offer maximum versatility.

Learn more about the manufacturer Fronius.

Frequently asked questions

  • How long are Fronius warranties?
    The manufacturer's warranty is 2, 5 or 10 years, depending on the product series. For more detailed information on the warranty period, please refer to the data sheet provided with the respective product.
  • What is Fronius' production volume?
    With a production volume of around 32,000 inverters per month in 2022, Fronius aims to increase this by more than 65% to over 52,000 inverters per month by the end of 2023. Thus, investments in the expansion of operations, compared to 2022 at 187 million euros, are also to be increased to more than 230 million euros. 
  • Where does Fronius produce?
    The company has been producing in its own production facility in Austria since its foundation. 
  • Where is the company located?
    Fronius now operates on five continents worldwide with its 37 subsidiaries, although the main concentration of locations is still in Europe. In addition, the sales and service partners are represented in over 60 countries on all continents, so that optimum support can be guaranteed around the globe. 
  • What products does Fronius specialize in?
    Fronius specializes within the photovoltaic industry in the production of inverters and electricity meters. 
  • When was Fronius founded and what are they known for?
    In 1945, the Fronius company was founded by Günter Fronius, a trained electrical engineer, in Pettenbach, Austria, as a one-man operation for radio and electrical maintenance work. Fronius' fame continued to grow through the invention of simple battery chargers, and welding transformers have been part of the company's portfolio since 1950. Over the years, the company continued to expand, entering the solar business in the 1990s. Now run by the 3rd generation of the Fronius family, the headquarters are still in Pettenbach, Austria, whose mainstays today are solar energy, welding and battery charging technology.