# Fronius Symo GEN24 3.0 Plus

Type: solar inverter
Manufacturer: Fronius
URL: https://inverterdata.com/en/fronius/fronius-symo-gen24-3-0-plus/
Manufacturer source: https://www.fronius.com/en-au/australia/solar-energy/installers-partners/technical-data/all-products/inverters/fronius-symo-gen24-plus/fronius-symo-gen24-3-0-plus
Database: InverterData (inverterdata.com)
License: free to quote with attribution to inverterdata.com

## Overview

Austrian engineering excellence meets cutting-edge solar technology in this premium 3-phase transformerless inverter designed for residential and small commercial installations. With its impressive 3000W nominal power output and exceptional 98.1% maximum efficiency, this unit represents the latest generation of smart inverter technology from Fronius.

Engineered for versatility and reliability, the unit features dual MPPT channels supporting voltage ranges from 125-800V, allowing optimal energy harvesting from different roof orientations. Its robust IP66-rated enclosure withstands harsh weather conditions while operating efficiently across temperatures from -25°C to +60°C. The compact 15.61kg design includes advanced monitoring capabilities and future-ready architecture, making it ideal for homeowners and installers seeking a premium solution that combines performance, durability, and intelligent energy management in a single package.

## Specifications

| Specification | Value |
| --- | --- |
| Nominal AC Power | 3000 W |
| Maximum AC Power | 3000 W |
| Maximum Efficiency | 98.1 % |
| European Efficiency | 96.7 % |
| MPPT Voltage Range | 125-800 V |
| Maximum DC Input Voltage | 1000 V |
| Number of MPPT Channels | 2 |
| Maximum DC Input Current per MPPT | 12.5 A |
| AC Output Voltage | 3~NPE 230V / 400V, 3~NPE 220V / 380V |
| AC Output Frequency | 50 / 60 Hz |
| Weight | 15.61 kg |
| Enclosure Protection Rating | IP66 |
| Operating Temperature Range | -25 - +60 °C |
| Inverter Type | Transformerless |
| Number of Phases | 3 |

Not published by the manufacturer: Output Wave Type, Total Harmonic Distortion (THD).

## Frequently asked questions

### What size array does the Fronius Symo GEN24 3.0 Plus suit?

The Fronius Symo GEN24 3.0 Plus is rated at 3000 W of nominal AC power and 3000 W maximum, so there is no AC overload headroom above that figure: an array of roughly 3 kW, modestly oversized on the DC side, is the natural match. It is a small three-phase unit, aimed at a house that already has a three-phase supply.

### What grid connection does the Fronius Symo GEN24 3.0 Plus need?

The Fronius Symo GEN24 3.0 Plus is a three-phase inverter listed as 3~NPE 230 V / 400 V, with 3~NPE 220 V / 380 V as an alternative configuration, at 50 or 60 Hz. Each pair of numbers describes one four-wire connection: 230 V from each phase to neutral and 400 V between phases. An ordinary single-phase service will not do.

### How do the 125-800 V MPPT window and 1000 V limit of the Fronius Symo GEN24 3.0 Plus shape string design?

The Fronius Symo GEN24 3.0 Plus tracks between 125 V and 800 V and withstands 1000 V of DC input voltage. Strings have to stay above 125 V when hot and below 1000 V at the coldest sunrise, but the practical ceiling for normal operation is the 800 V top of the tracking window rather than the 1000 V rating.

### How much current can each MPPT input of the Fronius Symo GEN24 3.0 Plus take?

Each of the two MPPT channels on the Fronius Symo GEN24 3.0 Plus accepts a maximum DC input current of 12.5 A, the same limit on both inputs. That is enough for one string of ordinary modules per channel but leaves little margin to parallel two strings on a single input, so a 3 kW array is best split into two separate strings.

### How efficient is the Fronius Symo GEN24 3.0 Plus?

The Fronius Symo GEN24 3.0 Plus reaches 98.1 percent maximum efficiency but 96.7 percent European efficiency. That 1.4 point gap reflects part-load behaviour, since a small inverter spends much of the year well below its 3000 W rating. Use the 96.7 percent figure for yield estimates, which puts conversion losses at roughly three percent of the array's DC output.

### Can the Fronius Symo GEN24 3.0 Plus be mounted outdoors?

The Fronius Symo GEN24 3.0 Plus carries an IP66 rating and a declared operating range of -25 to +60 degrees Celsius, so an outdoor wall position stays within specification. At 15.61 kg one installer can lift it onto the bracket, and the transformerless topology recorded for it means no internal isolating transformer adds either mass or a further conversion stage.

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