Solar inverter Fronius Symo 12.5kW -3-M Full

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Grid-tied solar inverter Fronius Symo of 12500W 3 phase.

The inverter line of the Fronius Symo brand of pure sine wave offers superior performance for many applications. It stands out from the rest in its clean sinusoidal interference output, which allows it to ensure proper operation in sensitive equipment such as displays, measuring devices.

The robust electronics and the appropriate mechanical design make Fronius Symo inverters the best choice in terms of reliability. Designed for a long life with protection against short circuits, overloads and high temperature, they will provide trouble free operation for many years. Warranty of 7 years of product and CE certificate.


The Fronius solar inverter of the Symo series is a transformerless grid-connected inverter that allows the synchronization of the solar installation with the electrical grid.

All models of the Fronius Symo series incorporate two and have IP66 degree of protection. The Primo Lite/Light solar inverter models do not incorporate WLAN communications for remote management and monitoring. The Primo series solar inverters have a standard interface to the internet via a Wlan or Ethernet cable for easy integration. Fronius Primo inverters include datamanager and free connection to the solarweb portal.

Fronius solar inverters have a zero grid feed-in system that allows us to reduce the inverter power to prevent energy from being fed into the grid in the event that the solar installation produces more electricity than it is consuming.

The main advantages of the Fronius Primo series are:

  • - SnapInverter technology: The primo solar inverter is snapped onto the fixed wall bracket. In case of service it is not necessary to remove the entire inverter, but only the power stage to access the inside of the device. All wiring remains in place for quick and easy manipulation of the inverter wiring.
  • - Integrated Data Communication: The Primo inverter can be connected to the internet via WLAN, ethernet without the need for additional modules. It can be connected via Modbus TCP SunSpec, Modbus RTU SunSpec or Fronius Solar API (JSON).
  • - Smart Grid Ready: The Fronius solar inverter of the Primo series is prepared to connect to smart grids so that they can remotely control the active and reactive energy injected into the grid.

General inverter features:


Symo 12.5-3-M-Full

Maximum input power (W)

18800 W







Product warranty


2 years


22,5x51,0x72,5 cm




Package Weight (kg)


34,8 kg


Data sheet

Power (kW)
10 - 14.9
Phase Type
Max Current Input (A)

Specific References




Download (116.65KB)


Fronius Symo Datasheet

Download (1.06MB)

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