Description
3.8kW Primo Gen24 Inverter, 240 VAC, 1-Phase, 200 – 480 VDC MPPT
The Fronius Primo GEN24 3.8kW inverter redefines what homeowners can expect from their solar energy systems. This advanced single-phase inverter not only delivers 240 VAC output and operates within a wide MPPT voltage range of 200 – 480 VDC, but also features a built-in backup power outlet—allowing essential devices to stay powered during the day, even without battery storage.
Engineered in Europe for quality and innovation, the Primo GEN24 is built to meet the dynamic needs of modern solar installations. Its Smart Shade Management ensures high yields even under partial shading, while active cooling extends system longevity and efficiency. Designed for adaptability, it supports future upgrades such as energy storage integration or smart home automation.
Whether you’re installing a new solar system or upgrading an existing one, the 3.8kW Primo Gen24 Inverter is a reliable, forward-compatible solution that supports long-term energy independence.
Key Benefits
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Integrated Backup Power
Maintain power to essential loads during daylight hours—no battery required. -
Wide MPPT Range (200–480 VDC)
Provides flexibility for various array designs and orientations. -
Smart Shade Tolerance
Maximizes energy yield in real-world shading conditions. -
Active Cooling System
Enhances efficiency and lifespan, especially in high-temperature environments. -
Future-Ready Design
Compatible with future energy storage and smart home solutions. -
European-Made Quality
Engineered and manufactured in Europe for performance and durability.
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Specification
| Input Data | |
|---|---|
| Number of MPP trackers | 2 |
| PV input power | 3940 W |
| Feed-in start voltage (Udc start) | 80 V |
| Min. MPP voltage (U mpp min) | 200 V |
| Max. MPP voltage (U mpp max) | 480 V |
| Output Data PV Point | |
| Max. switchover time PV-Point | 17 s |
| Max. switchover time Full Backup | 17 s |
| General Data | |
| Mains Frequency | 60 1/s, 50 1/s |
| Width | 474 mm |
| Height | 516 mm |
| Depth | 165 mm |
| Weight | 15.08 kg |
| Weight incl. packaging | 18.7 kg |
| Protection class | 1 |
| Overvoltage category (DC / AC) | 2 / 4 |
| Inverter design | Transformerless |
| Cooling | Active Cooling Technology |
| Installation | Indoor and outdoor installation |
| Min. permissible ambient temperature | -40 °C |
| Max. permissible ambient temperature | 60 °C |
| DC PV connection technology | 2x DC+1, 2x DC+2 and 4x DC- spring-type terminals (AWG14-8) |
| DC battery connection technology | 1x DC+ and 1x DC- spring-type terminals (AWG 12-8) |
| AC connection technology | Spring-type terminals (AWG 14-8); Backup: AWG 16-8 |
| Back-up power functions | PV Point |
| Sound emissions | 42 dB(A) |
| Interference emission class | B |
| Protection Devices | |
| DC insulation measurement | Yes |
| Overload behaviour | Operating point shift, Power limitation |
| DC disconnector | Yes |
| DC Reverse polarity protection | Yes |
| Arc fault circuit interrupter (Fronius Arc Guard) | Yes |
| Interfaces | |
| 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 / Fronius Smart Meter |
| Technical Data | |
| Grid connection | NPE |
