About This Product

The Fronius 25kW VERTO 3 Phase Solar Inverter 4MPPT IP66 With LAN & WIFI is a robust, transformer-less grid-tie inverter designed for commercial or larger residential solar installations. It delivers a nominal output of 25 kW AC and includes four independent high-current MPPT trackers ‘ ideal for systems with multiple panel strings or varied orientations. The enclosure is rated IP66, so it’s suitable for outdoor installations or exposed locations. Communications are built in via Ethernet (RJ45) and WiFi, allowing monitoring and control through the Fronius Solar.web platform or via Modbus. It also features integrated surge protection (AC+DC SPD type 1+2) and arc-fault detection for enhanced safety and compliance.

Who This Product Suits

This inverter is well suited to small businesses, farms or agricultural sites, apartment buildings, or any large residential installation where 25 kW plus is needed. It works particularly well for systems with multiple panel strings, different orientations or slopes ‘ thanks to its 4-MPPT design. It’s also a good choice where outdoor installation is required or desirable, and where ongoing energy monitoring or integration with smart energy systems (e.g. load management, EV charging, storage) is planned. Installers wanting a reliable, flexible, three-phase inverter that meets high safety standards will find it a strong match.

Specifications Explained

• AC nominal output: 25 kW ‘ supports three-phase grid connection for medium-to-large PV systems.
• 4 MPPT trackers with up to 28 A input current per MPPT/string ‘ allows connecting multiple strings and optimises yield even with differing orientations or partial shading.
• DC input voltage range approx. 150’870 V (max DC voltage 1000 V) ‘ compatible with a wide variety of PV module configurations.
• IP66-rated enclosure ‘ suitable for indoor or outdoor installation in exposed environments.
• Built-in communications: Ethernet (RJ45 10/100 Mbit) and WLAN (802.11b/g), plus Modbus TCP/RTU support ‘ enables system monitoring, data logging and integration with load or energy management systems.
• Safety features ‘ integrated DC + AC over-voltage protection (SPD type 1+2) and arc-fault circuit interrupter (AFCI) for enhanced system safety without extra components.
• Compatibility with standard solar connectors (MC4) and both copper and aluminium conductors on AC and DC sides ‘ offers wiring flexibility on site.

Summary

The Fronius 25kW VERTO 3 Phase Solar Inverter 4MPPT IP66 With LAN & WIFI is a flexible and robust inverter built for larger solar installations. With four MPPTs, a wide input voltage range, IP66-rated housing and built-in communications and safety features, it handles complex system designs, multiple panel strings and outdoor installation conditions with ease. It’s a straightforward, reliable solution for installers and system owners needing 25 kW three-phase output, whether for commercial, agricultural or large residential setups. Its built-in monitoring and protection features reduce the need for additional gear, simplifying installation and maintenance while ensuring safety and performance.

Further Information From The Manufacturer

The Fronius 25.0kW VERTO 3 Phase Solar Inverter 4MPPT IP66 With LAN & WIFI by Fronius is designed to provide total flexibility and safety for photovoltaic systems, making it ideal for small businesses, agricultural applications, and apartment buildings. The Fronius Verto can easily handle both simple and complex system designs, thanks to its four high-current MPPT concept, wide input voltage range, and innovative shade management. This inverter ensures optimum operation and guarantees the highest European safety standards for both the PV system and data. The Fronius P-FRO-VERTO-SPD25.0 has a 28 A input current per MPPT/string, integrated AC+DC overvoltage protection type 1+2, and integrated AFCI arc detection.

Key Features

• Input Current: 28 A input current per MPPT/string
• Overvoltage Protection: Integrated AC+DC overvoltage protection type 1+2
• Arc Detection: Integrated AFCI arc detection

Main Benefits

• Optimum Operation: Ensures maximum safety and total flexibility for photovoltaic systems
• High Safety Standards: Guarantees the highest European safety standards for both the PV system and data
• Easy Installation: Can easily handle both simple and complex system designs

Weights & Measurements Information

About Fronius

Fronius is a long-established European manufacturer known for high-reliability inverters used in residential and commercial solar systems. Founded in 1945 and still family-owned, the company designs and builds its inverters with a strong focus on durability, serviceability and long-term product support.

Fronius is recognised in the industry for its active cooling approach, robust monitoring platform and strong technical presence in Australia. Their inverter platforms are widely used by installers who prioritise performance, clear diagnostics and long service life.