Fronius Primo GEN24+ 5kW Solar Inverter
Fronius Primo GEN24+ 5kW Solar Inverter
Fronius Primo GEN24+ 5kW Solar Inverter
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Grid Tie Inverter | Fronius | Fronius Primo GEN24+ 5kW Solar Inverter


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Subtotal: $3,899.00


  • Dual-MPPT Single-Phase Hybrid Inverter
  • Battery-Ready with Backup Function
  • 10-year Parts & Labour Warranty
  • IP66 Rated with WiFi Connection
  • Intelligent Energy Management
  • Active Cooling Technology for a Longer Service Life
  • Flexible and Fast Installation
  • Compatible with Third-Party Components

Ready for the private energy revolution: with the Fronius GEN24 inverter as the core of a private PV system, households can produce their own energy flexibly, sustainably and cost-effectively. The Fronius GEN24 Plus is the all-in-one solution for solar energy supply. Whether it is used in photovoltaic, a storage system, backup power, heating or e-mobility, the Fronius GEN24 Plus offers a unique range of solutions and is therefore playing a pioneering role in the home energy revolution.

The Fronius Primo GEN24 Plus, with power categories of between 3 and 6 kW, is the ideal inverter for private households. With many features as standard, the single-phase device covers all customer requirements.

The GEN24 Plus leaves nothing to be desired with numerous features such as energy management functions, WLAN connection as standard, Ethernet connectivity and easy integration of third-party components. Thanks in particular to the PV Point – an integrated socket supplied with electricity when backup power is needed – and the Full Backup* feature in the event of power outages, it ensures the highest degree of power supply reliability. 

Boasting a light and compact design, an active cooling concept, and quick and easy installation and commissioning the GEN24 offers an ideal residential inverter solution. The service concept, whereby individual parts can be replaced, also guarantees easy repair and therefore contributes to its sustainability credentials.

GEN24 Plus brings us another step closer to our vision of 24 hours of sun:

  • Extension of the inverter's service life thanks to active cooling
  • Comprehensive functions and open interfaces replace the need for additional equipment
  • > 90% recycled aluminium is used in the aluminium heat-sink

The Fronius Primo GEN24 Plus, with power categories of between 3 and 6 kW, is the ideal hybrid inverter for private households. With many features as standard, the single-phase device covers all customer requirements.

More Product Features:

Integrated Data Communication:

Fronius are the first inverter manufacturer to offer a data communication package with fully integrated data logging, WLAN, Ethernet, energy management, web server and a range of interfaces. The inverter is connected to the internet by network cable or WLAN - without additional cabling - and grants you the perfect overview of how the PV system is operating. Connection to third-party components is provided by means of interfaces such as Modbus TCP SunSpec, Modbus RTU SunSpec or Fronius Solar API (JSON). The open interfaces can also be operated in parallel to the Fronius Solar.web. 

Dynamic Peak Manager:

The Dynamic Peak Manager is a new MPP tracking algorithm that dynamically adapts its behaviour when searching for the optimal operating point. Its special feature is that the Dynamic Peak Manager automatically checks the entire characteristic curve on a regular basis and finds the global Maximum Power Point (GMPP), even in partial shade.

Multi-flow Technology:

Using Multi-Flow Technology, different DC and AC energy flows are possible in parallel. On the one hand, this allows energy from the modules and from the battery to be made available for domestic use at the same time. However, it is also possible for the energy from the modules to be simultaneously fed into the battery and the in-house network. Furthermore, not only can the battery be charged from the DC side, but also from the AC side (for example from existing PV systems or other energy sources, such as a wind turbine). This means the inverter is also suitable for AC-coupled retrofitting. The inverter manages these energy flows in such a way that the highest possible degree of self-sufficiency is achieved.

Superflex Design:

The Fronius SuperFlex Design is an ingenious combination of technical performance attributes that make designing your PV system not only extremely simple but also incredibly flexible. The key performance factors of the SuperFlex Design are two MPP trackers, together with a high system voltage and wide DC input voltage range. Every DC input, and therefore every MPP tracker, is able to accommodate the entire nominal output of the inverter. Regardless of whether the inverter has to cope with different roof orientations, shading of one or two strings, or the use of residual modules: a Fronius inverter featuring integrated SuperFlex Design will satisfy every conceivable operational PV system planning scenario using just a single inverter model.  

Full Backup:

With the full backup option, the entire household, i.e. 1 phase as well as 3-phase devices, can be supplied with electricity in the event of a grid outage. 

Active Cooling:

Active cooling technology relies on one or more fans, which not only avoid hot spots but also regulate the air circulation inside the inverter, thus keeping the temperature of the power electronics low. This has a positive effect on the service life of the devices, optimises yields and reduces costs. At Fronius, active cooling is supplied as standard in all devices.

More about Fronius:

Fronius is an Austrian company specialising in welding technology, photovoltaics, and battery charging technology. Together with their partners, customers and more than 7,000 employees, Fronius works on inspired solutions, for a better today and a sustainable tomorrow. Whether it's efficient solar power, smart ways to charge batteries or the perfect welding seam, their products last for generations. Fronius inverters, welding systems and battery charging systems are in demand worldwide, which is why they are now represented in more than 60 countries on five continents. This enables them to provide optimum support and service to customers around the globe.


Primo GEN24 Plus 5.0 Inverter

Input Data

Number of MPP Trackers


DC Input Voltage Range


Nominal Input Voltage


Feed-in Start Voltage


Usable MPP Voltage Range



Maximum Usable Input Current


Maximum Short Circuit Current, Module Array


Number of DC Connections


Maximum Usable DC Output


Maximum PV Generator Output

6.25kW Peak

Nominal AC Output Current @220V AC



Maximum Usable Input Current


Maximum Short Circuit Current, Module Array


Number of DC Connections


Maximum Usable DC Output


Maximum PV Generator Output

5.17kW Peak

Nominal AC Output Current @230V AC



Total Maximum Usable DC Output


Total Maximum PV Generator Output

7.5kW Peak

Output Data

AC Rated Power


Apparent Power


Maximum Output Power


Grid Connection (Voltage Range)

1 ~ NPE 220V / 230V (+20% / -30%)

Frequency (Frequency Range)

50 Hz / 60 Hz (45 - 65 Hz)

Total Harmonic Distortion

< 2%

Power Factor

0.8 - 1 ind. / cap.

Output Data PV Point

Nominal Output Power PV Point


PV Point Grid Connection

1 ~ NPE 220V / 230V

Switchover Time

< 23 sec.

Output Data Full Backup

Nominal Output Power Full Backup


Grid Connection Full Backup

1 ~ NPE 220V / 230V

Switching Time

< 35 sec.

Battery Connection

Number of DC Inputs


Maximum Input Current (IDC Max)


DC Input Voltage Range (UDC Min - UDC Max)


DC Battery Connection Technology

1x BATT+ and 1x BATT- push-in spring terminals 2.5 - 10 mm²

Maximum DC Input/Output Power


Maximum Charging Power for AC Coupling


Compatible Batteries

BYD Battery-Box Premium HVS/HVM, LG FLEX


Maximum Efficiency

97.6 %

MPP Adaptation Efficiency

> 99.9 %

Protective Devices

DC Insulation Measurement 


Overload Behaviour

Operating Point Shift. Power Limitation

DC Disconnector


Reverse Polarity Protection



Wi-Fi / 2x Ethernet LAN

Fronius Solar.web, Modbus TCP SunSpec, Fronius Solar API (JSON)

6 Inputs and 6 Digital In/Out

Interface to ripple control receiver

Emergency Shutdown (WSD)


Datalogger and Web Server


2x RS485

Modbus RTU SunSpec (third-party provider / Fronius Smart Meter, Battery (GEN24 Plus), Fronius Ohmpilot

General Data


530 x 474 x 165mm



Degree of Protection


Safety Class


Night-time Consumption


Overvoltage Category (DC / AC)

2 / 3

Inverter Concept



Active Cooling Technology


Indoor and outdoor installation

Ambient Temperature Range

–40°C to +60°C

Permissible Humidity

0 - 100 %

Noise Emissions


Maximum Altitude

4,000 m

DC PV Connection Technology

4 × DC+ and 4 × DC- push-in tension clamp terminals 2.5 - 10 mm²

AC Connection Technology

3-pin AC push-in tension clamp terminals 2.5 - 10 mm², 3-pin backup power push-in tension clamp terminals 1.5 - 10 mm², 2 × PE screw terminals 2.5 - 16 mm2 and 3 × 2.5 - 10 mm²

Certificates and Compliance with Standards

IEC 62109, IEC 62909, AS/NZS 4777.2, CEI 0-21, ABNT BNR 16149 und 16150, IEC 62116, IEC 617275

Backup Power Functions

PV Point

Production Country


Life Cycle Assessment

According to ÖNORM EN ISO 14040 and 14044 (verified by employees of Fraunhofer IZM)

Please see more details in the 'Data Sheets' tab.


We don't hold the stock on hand but have a trusted supplier who will send this direct from their nearest warehouse to ensure you receive it as soon as possible.


Fronius Primo GEN24+ 5kW Solar Inverter Warranty Sheet

Data Sheets

Fronius Primo GEN24+ 5kW Solar Inverter Specifications


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