Hybrid Systems – Primo GEN24 5.0 PLUS

The  Fronius Primo GEN24 5.0 PLUS three-phase hybrid inverter is perfect for private solar systems (photovoltaic systems). It is equipped with a PV Point, which provides an integrated backup power supply. For those seeking a more comprehensive backup power solution, this inverter can be seamlessly integrated with a battery system. This innovative inverter offers unparalleled functionality and reliability.

  • Max. output: 5 kW
  • Fully integrated datalogging
  • 10 year warranty
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  • Integrated Internet Connectivity & Data Communication

The inverter has a fully integrated data logging system equipped with WLAN, Ethernet, energy management and a web server. Without extra cabling, it connects to the internet for an overview of the PV system’s functions.

  • SuperFlex Adaptable Solar System Design 

Choose exactly how to design your PV system. The inverter’s unique SuperFlex Design has two MPP trackers combined with a high system voltage and wide DC input voltage range. This means the unit can adapt to various roof orientations and sun conditions — well-suited to any PV system configuration.

  • PV Point

The PV Point is an integrated basic backup power supply feature that is found in some inverters, including the Fronius GEN24 5.0 PLUS hybrid inverter. This feature allows the inverter to supply electricity during grid outages, drawing energy from the solar panels to keep the essential loads running.

  • Dynamic Peak Manager: Innovative MPP Tracking

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. The innovative MPP tracking algorithm adapts its behaviour when finding the optimal operating point for your inverter.

  • Multi Flow Technology

With Multi Flow Technology, the Fronius GEN24 5.0 PLUS hybrid inverter enables a wide range of energy flows to occur in parallel. This allows energy from the modules and battery to be used simultaneously for domestic purposes. Furthermore, energy from the modules can also be fed into the battery and the in-house network concurrently, leading to maximum efficiency. Additionally, the battery can be charged from both the DC and AC sides, making the inverter an ideal choice for AC-coupled retrofitting. The Fronius GEN24 5.0 PLUS expertly manages these energy flows to achieve the highest possible degree of self-sufficiency.

  • Active Cooling Technology

Powerful fans regulate air circulation inside the inverter, cooling the temperature of power electronics before they can overheat. This maintains the service life of the device, reducing maintenance costs.

  • Full Power Backup

In the event of a grid outage, this powerful inverter can supply the entire household, including both 1 phase and 3 phase devices, with uninterrupted electricity. This is an incredibly valuable feature for those seeking a comprehensive backup power solution.

  • International Safety Standards

All Fronius inverters meet international safety standards, including automatic shut-down in the event of grid failure. The Primo comes with a built-in surge protection device and has an IP66 rating, meaning it’s protected from dust build-up


Input Data

Number of MPP trackers 2
Max. PV input power 5170 W
Max. input current (Idc max) 22 / 12 A
Max. short circuit current, module array* 36 / 19 A
DC input voltage range (Udc min – Udc max) 65-600 V
Feed-in start voltage (Udc start) 80 V
Nominal input voltage (Udc,r) 400 V
MPP voltage range (Umpp min – Umpp max) 230-530 V
Usable MPP voltage range 65-530
Number of DC connections 2+2
Max. PV generator power (Pdc max) 7,5 kWpeak

Output Data

AC nominal output (Pac,r) 5000 W
Max. output power (Pac max) 5000 VA
Max. AC output current 27,5 A
Grid connection (Uac,r) 1~NPE 220/230, 
AC voltage range (Umin – Umax) 155-270 V
Frequency (fr) 50 / 60 Hz
Frequency range (fmin – fmax) 45-65 Hz
Total harmonic distortion <2%
Power factor (cos φac,r) 0,8-1 ind,/cap,
Back-up power 1~NPE 220 V / 230 V
Nom. AC-Ausgangsstrom (380VAC) 22,7 A
Nom. AC-Ausgangsstrom (400VAC) 21,7 A

General Data

Length 474 mm
Width 530 mm
Height 165 mm
Weight 15,38 kg
Weight incl. packaging 19 kg
Degree of protection IP 66
Protection class 1
Overvoltage category (DC / AC) 1) 2 / 3
Night-time consumption < 10 W
Inverter design Transformerless
Cooling Regulated air cooling
Installation Indoor and outdoor installation
Ambient temperature range -40°C – +60°C
Permitted humidity 0 – 100%
Max. altitude 2) 4000m
DC PV connection technology 4x DC+ and 4x DC- push-in spring terminals 2.5 – 10 mm²
DC battery connection technology 1x BATT+ and 1x BATT- push-in spring terminals 2.5 – 10 mm²
AC connection technology 3 pole AC push-in spring terminals 2.5 – 10 mm² 3 pole backup power push-in spring terminals 1.5mm² – 10mm² 2x PE-screw terminals 2.5 – 16 mm² and  3x 2,5 – 10mm²
Certificates and compliance with standards IEC 62109, IEC 62909, AS/NZS 4777.2, CEI 0-21, ABNT BNR 16149 and 16150, IEC 62116, IEC 61727 8)
Back-up power functions PV Point, full backup 4)
Compatible batteries 6) BYD Battery-Box Premium HVS/HVM & LG RESU FLEX 5)
Interference emission class B


Max. efficiency (PV – grid) 97,6 %
European efficiency (ηEU) 96,3 / 97,2 / 96,7 (230Vdc / 400Vdc / 530Vdc)
η at 5% Pac,r 3) 87,3 / 91,3 / 89,2 (230Vdc / 400Vdc / 530Vdc)
η at 10% Pac,r 3) 92,2 / 94,8 / 93,6 (230Vdc / 400Vdc / 530Vdc)
η at 20% Pac,r 3) 95,3 / 96,7 / 96,1 (230Vdc / 400Vdc / 530Vdc)
η at 25% Pac,r 3) 95,9 / 97,0 / 96,6 (230Vdc / 400Vdc / 530Vdc)
η at 30% Pac,r 3) 96,2 / 97,2 / 96,8 (230Vdc / 400Vdc / 530Vdc)
η at 50% Pac,r 3) 96,8 / 97,5 / 97,2 (230Vdc / 400Vdc / 530Vdc)
η at 75% Pac,r 3) 96,9 / 97,5 / 97,3 (230Vdc / 400Vdc / 530Vdc)
η at 100% Pac,r 3) 96,8 / 97,5 / 97,2 (230Vdc / 400Vdc / 530Vdc)
MPP adaptation efficiency 99,9

Protection Devices

DC insulation measurement Yes
Overload behaviour Operating point shift. Power limitation
DC disconnector Yes
DC Reverse polarity protection Yes


WLAN / 2x Ethernet LAN Fronius Solar.web, Modbus TCP SunSpec, Fronius Solar API (JSON)
6x digital in/out + 6x digital in Interface to ripple control receiver, energy management
Emergency stop (WSD) Yes
Datalogger and web server Included
2x RS485 Modbus RTU SunSpec (third-party supplier) / Fronius Smart Meter, battery, Fronius Ohmpilot

Output Data PV Point

Max continuous output power 3000 VA
Nom. output current (Iac max) 13 A
Grid connection 1 ~ NPE 220 V / 230 V
Frequency 50 Hz / 60 Hz
Switchover time 90 s

Battery Connection

Number of DC connections 1
Max. input current (Idc max.) 22 A
DC input voltage range (Udc min – Udc max) 150 V – 455 V 7)
Max. input / output power (Depending on the connected battery) 5170 W
Max. AC charging power (Depending on the connected battery) 5000 W
Min. DC input voltage 150 V
Max. DC input voltage 455 V



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Hybrid Systems – Primo GEN24 5.0 PLUS