Fronius Primo GEN24 Plus: Designed to Empower

The Fronius Primo GEN24 Plus is a hybrid inverter designed for maximum flexibility and convenience in photovoltaic systems. It enables self-generated energy production and offers advanced features for energy storage and backup power.

Key Product Strengths

01 Maximum Flexibility: Enables personal energy revolution and leverages solar energy advantages.
02 Backup Options for Every Need: Offers 'PV Point' or 'Full Backup' functions for guaranteed power supply during blackouts.
03 Simplicity of Installation: Features quick-release screws, spring-loaded terminals, and a well-designed wall mounting system for fast and secure installation.
04 Technical Support and Tools: Provides comprehensive, free solutions for system design, installation, and monitoring, enhancing customer satisfaction and reducing maintenance costs.

Fronius GEN24 Plus: The Heart of the Photovoltaic System

The Fronius GEN24 Plus inverter integrates seamlessly into photovoltaic systems, offering maximum flexibility and the benefits of solar energy. It is prepared for battery storage integration, backup system management, and other technologies for improved energy efficiency, such as modern air conditioning systems and electric vehicle charging.

Backup Options: 'PV Point' or 'Full Backup' (Full Backup available for Primo GEN24 3.0-6.0 Plus and Symo GEN24 6.0-10.0 Plus).

Proven Power and Efficiency

The Fronius GEN24 Plus guarantees high efficiency and maximum performance, even at elevated temperatures. The product data sheets detail efficiency curves and power derating across various models and operating conditions.

Efficiency Grade:

Maximum Efficiency: Up to 97.6%
European Efficiency (ηEU): Up to 97.1%
MPP Tracker Efficiency: > 99.9%

Power Derating: Graphs illustrate power output reduction based on ambient temperature for different models and DC input voltages.

Technical Data

The following tables provide detailed technical specifications for the Fronius Primo GEN24 Plus inverters across various power ratings (3.0, 3.6, 4.0, 4.6, 5.0, 6.0 kW).

General Data

Feature	3.0	3.6	4.0	4.6	5.0	6.0
Dimensions (H x W x D) [mm]	530 × 474 × 165
Weight (Inverter/Packaging) [kg]	15.4 / 19
Degree of Protection	IP 66
Protection Class	1
Night-time Power Loss [W]	< 10
Surge Category (DC/AC)	2/3
Inverter Technology	Transformerless
Cooling	Active Cooling Technology (forced ventilation)
Mounting	Indoor and outdoor
Ambient Temperature Range [°C]	-40 to +60
Permissible Air Humidity [%]	0-100
Sound Emission [dB(A)]	< 42
Maximum Altitude [m]	4,000
DC Connection Type (PV side)	4 pressure terminals DC+ and 4 pressure terminals DC- 2.5-10 mm²
AC Connection Type	3-pole AC pressure terminal 2.5-10 mm²; 3-pole pressure terminal for backup option 1.5-10 mm²; For earthing: 2 screw terminals PE 2.5-16 mm² and 3 screw terminals PE 2.5-10 mm²
Certifications and Regulatory Compliance	IEC 62109, IEC 62909, AS/NZS 4777.2, CEI 0-21, ABNT BNR 16149 & 16150, IEC 62116, IEC 61727, G98/G99
Backup Functions	PV Point or Full Backup
Country of Production	Austria
Life Cycle Analysis	According to ÖNORM EN ISO 14040 and 14044 (performed by Fraunhofer Institute)

Input Data

Feature	3.0	3.6	4.0	4.6	5.0	6.0
Number of MPPTs	2
DC Input Voltage Range (Udc min - Udc max) [V]	65-600
Nominal Input Voltage (Udc,r) [V]	400
Startup Voltage (Udc start) [V]	80
MPPT Voltage Range [V]	65-530	65-530	65-530	65-530	65-530	65-480
Max. Input Current (Idc max) [A]	22 / 12	22 / 12	22 / 12	22 / 12	22 / 12	22 / 12
Max. Solar Module Short-Circuit Current (Isc pv)¹ [A]	36 / 19	36 / 19	36 / 19	36 / 19	36 / 19	36 / 19
Number of DC Connections	2
Max. Usable DC Power [W]	3110	3110	3810	4750	5170	6200
Max. PV Generator Power [Wpeak]	3750	4500	4600	5750	6250	7500

Output Data

Feature	3.0	3.6	4.0	4.6	5.0	6.0
Nominal AC Output Power (Pac,r) [W]	3000	3680	4000	4600	5000	6000
Apparent Power [VA]	3000	3680	4000	4600	5000	6000
Max. Output Power [VA]	3000	3680	4000	4600	5000	6000
Nominal AC Output Current (@220/230 V) [A]	13.6 / 13	16.7 / 16	18.2 / 17.4	20.9 / 20	22.7 / 21.7	27.3 / 26.1
AC Connection Type (Uac,r)	1~ NPE 220/230 (+20%/-30%)
Frequency Range (fmin - fmax) [Hz]	50/60 (45-65)
Distortion Factor [%]	< 2
Power Factor (cos φ,r)	0.8 ind./cap.
Nominal PV Point Output Power [VA]	3000	3000	3000	3000	3000	3000
PV Point Connection Type	1~ NPE 220/230
Trip Time [sec.]	< 20
Nominal Full Backup Output Power [VA]	3000	3600	4000	4600	5000	6000
Full Backup Connection Type	1~ NPE 220/230
Trip Time [sec.]	< 35

Battery Connection

Feature	3.0	3.6	4.0	4.6	5.0	6.0
Number of DC Connectors per Battery	1	1	1	1	1	1
Max. Input Current (Idc max) [A]	22	22	22	22	22	22
DC Input Voltage Range Battery (Udc min - Udc max) [V]	150-455	150-455	150-455	150-455	150-455	150-455
DC Connection Type Battery Side	1 pressure terminal BATT+ and 1 pressure terminal BATT- 2.5-10 mm²
Max. DC Power Charge and Discharge⁴ [W]	3110	3810	4140	4750	5170	6200
Max. AC Power Charge with Storage⁴ [W]	3000	3680	4000	4600	5000	6000
Compatible Batteries⁵	BYD Battery-Box Premium HVS/HVM & LG RESU FLEX®

Protections

DC Insulation Measurement: Integrated
Overload Behavior: Work point shift, power limitation
DC Disconnector: Integrated
Reverse Polarity Protection: Integrated

Interfaces

WLAN / 2 × Ethernet LAN
6 Digital Inputs
6 Digital I/Os
Emergency Stop (WSD)
Datalogger and Web Server
2 × RS485

Connectivity: Fronius Solar.web, Modbus TCP SunSpec, Fronius Solar API (JSON). Connection to centralized command signal receivers, Energy Management. Integrated. Modbus RTU SunSpec (for third-party products)/Fronius Smart Meter, battery, Fronius Ohmpilot.

Notes and Disclaimers

¹ Isc pv = Isc max ≥ Isc (STC) x 1.25 according to standards such as IEC 60364-7-712, NEC 2020, AS/NZS 5033:2021.
² Full Backup option is available for all sizes (3.0 to 6.0) of the Primo GEN24 Plus model. Full Backup requires additional external components for grid disconnection. Detailed information is available in the user manual.
³ AC power derating of the inverter occurs from a DC input voltage of the battery of 419.7 V.
⁴ Based on the connected battery.
⁵ Depending on country-specific certifications and availability.
⁶ Except BYD Battery-Box Premium HVS 10.2, HVS 12.8, HVM 8.3, HVM 22.1 and LG RESU FLEX 17.2.
⁷ Compliant with IEC 62109-1. Type 1+2 DC surge protection devices (SPDs) for 2 MPPTs are available as an optional retrofit kit (Art. No. 4.240.313.CK).
⁸ For all current inverter certifications, please visit www.fronius.com/primo-gen24-plus-cert.

For more information on inverter availability in your country, visit www.fronius.com.

Further information available at: www.fronius.com/gen24-inverter

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