The current page does not exist in the target language.

Do you want to change the language and go to the home page or do you want to stay on the current page?

Change Language
Installers & partners

Fronius Verto Designed to transform.

The flexible inverter for every roof 

The Fronius Verto was designed and developed for small businesses, apartment buildings, and agricultural applications. The system ensures the highest possible yields thanks to its four high-current MPPT concept (28 A per string and MPPT), a wide input voltage range and innovative shading management. Whether you are installing a new PV system or expanding an existing one, the Fronius Verto allows you to create complex system designs with a variety of module orientations or slopes.

  • Total Flexibility
  • Maximum Safety
  • Easy Installation & Commissioning
  • Optimal Use

Fronius Verto: Designed to transform.

Available in the power categories 25, 27, 30, and 33.3 kW.  

Use Verto3D now

The ideal solution for every roof

Thanks to the SuperFlex design with multi-MPPT concept and a wide range of input voltages, even the most complex system designs pose no problem at all for the Fronius Verto. The new inverter also offers maximum flexibility during installation. It can be installed wall-mounted or flat. When selecting the modules, you can choose from a wide range of options. Thanks to four high-current MPPTs (28 A per string and MPPT), it is also possible to use high-current modules without any problems. 

Safety without additional components

Safety plays a central role in the Fronius Verto. It is supplied as standard optionally with a type 2 surge protection device (SPD) on the AC and DC side, or with a type 1+2 SPD on the AC and DC side. An Arc Fault Circuit Interrupter (AFCI), which protects the photovoltaic system from arcs, is also integrated into the Fronius Verto ex works. This means that the Fronius Verto guarantees the highest safety standards even in its basic configuration without any additional accessories. Your customers’ data is also well protected with us. This is ensured by our certified information security system and our servers and cloud storage in Europe.

Designed for maximum convenience during installation

With its spacious and well-protected connection area, the Fronius Verto offers installers plenty of space to work quickly and comfortably. Its housing is designed to allow easy installation with a large AC connection area, MC4 plugs, and mounting bracket. With a 4 to 35 mm2 clamping area, a wide variety of cable types can be used as required. 

Energy sector integration made easy

With its open interfaces, the Fronius Verto enables easy integration of compatible charging stations or heat pumps such as the Fronius Wattpilot and the Fronius Ohmpilot. It is also possible to integrate third-party products via Modbus RTU, Modbus TCP, or Solar API without any problems.

Sustainable quality

When manufacturing Fronius products, we always operate according to the principle “Designed and produced with sustainability in mind”. We attach great importance to the conscious use of resources, and use recycled and reusable materials whenever possible. Thanks to active cooling of the power electronics, the Fronius Verto has a particularly long service life. The SPDs can also be replaced on site, saving time and resources.

Fronius digital tools: from start-up to maintenance


Solar.start – The app by pros for pros

Configure Fronius inverters in just a few minutes: Solar.start makes your work easy.

  • Quick and easy commissioning in just three steps
    1. Network settings
    2. Product configuration
    3. Integration into the Fronius Solar.web monitoring platform
  • Quick access to the web interface for additional settings and functions
  • Full warranty coverage when you register the inverter on Solar.web
  • Link to useful platforms such as Solar.web and Solar.SOS

Simply download and get your inverter up and running!

Technical data

Technical data Fronius Verto
Power categories  25, 27, 30 and 33,3 kW
MPP-tracker(s)  4
MPPT voltage range 150 - 870 V
Max. DC voltage 1.000 V
Cooling system  Active Cooling
Degree of protection  IP 66
Installation type Indoor and outdoor installation

Find a sales partner and place your order

Find a suitable sales partner in your area and order your Fronius Verto today. Simply enable location-sharing or search for a location to find a suitable sales partner. 

We think you are located in a different country

The country currently selected is Fronius International. Would you like to stay on this page or do you want to switch to the local website?