Fronius Primo 3.8kW GEN24 Grid-Tied Solar Inverter 208/240VAC MPN 4,210,140,800
MPN No: 4,210,140,800
Expected ship date Jul 23 - 30
In Stock
1,699.99
-13%
$1,472.18
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4,210,140,800
MPN No: 4,210,140,800
Expected ship date Jul 23 - 30
In Stock
1,699.99
-13%
$1,472.18
The Fronius Primo GEN24 3.8 is a premium single-phase grid-tied solar inverter designed for residential photovoltaic systems requiring reliable 208/220/240VAC operation, smart monitoring, and flexible system design. Built with Fronius Dynamic Peak Manager shade management, SuperFlex Design, Active Cooling Technology, and integrated PV Point backup capability, this inverter helps maximize energy production while supporting long-term reliability.
The Primo GEN24 platform is designed for future-ready solar installations. With PV Point, the inverter can provide daytime backup power from solar when the grid is down, and it can be upgraded through Fronius UP.storage software to enable battery connection and Full Backup functionality when used with the required external grid-separation equipment.
3.8kW Single-Phase Output
Provides reliable solar power conversion for residential PV systems.
Dynamic Peak Manager
Integrated shade management helps optimize PV production at the string level.
Dual MPPT Design
Supports flexible string design for multiple roof orientations.
PV Point Backup Power
Provides a dedicated backup power outlet from solar energy when sunlight is available.
Future Battery Upgrade
Upgradeable to GEN24 Plus through Fronius UP.storage software for battery and Full Backup capability.
Active Cooling Technology
Protects internal components from heat stress for improved service life.
Integrated Monitoring
Supports Fronius Solar.web, Modbus TCP, Fronius Solar API, WLAN, and dual Ethernet LAN.
Built-In Protection
Includes DC disconnect, reverse polarity protection, DC insulation monitoring, and Arc Fault Circuit Interruption.
| Specification | Details |
|---|---|
| Manufacturer | Fronius |
| Part Number | 4,210,140,800 |
| Model | Primo GEN24 3.8 208-240 |
| Product Type | Single-Phase Grid-Tied String Inverter |
| AC Rated Output Power | 3,800W |
| Apparent Power | 3,800VA |
| Maximum Output Power | 3,800VA |
| Grid Connection | 1~NPE 208V / 220V / 240V |
| Nominal AC Output Current | 18.13A at 208V / 17.3A at 220V / 15.8A at 240V |
| Frequency | 50Hz / 60Hz |
| Number of MPPTs | 2 |
| DC Input Voltage Range | 65V - 600V DC |
| Nominal Input Voltage | 360V at 208V / 380V at 220V / 400V at 240V |
| Feed-In Start Voltage | 80V DC |
| Usable MPPT Voltage Range | 65V - 530V DC |
| MPPT Voltage Range at Rated Power | 200V - 480V DC |
| Maximum Usable Input Current | 22A MPPT1 / 12A MPPT2 |
| Maximum Short Circuit Current | 36A MPPT1 / 19A MPPT2 |
| Number of DC Connections | 2 per MPPT |
| Maximum Usable DC Power | 3,940W Total |
| Maximum PV Generator Output | 5,700Wpeak |
| PV Point Output Power | 1,560VA at 120V / 2,860VA at 220V / 3,120VA at 240V |
| PV Point Voltage | 1~NPE 120V / 220V / 240V |
| PV Point Switching Time | <23 Seconds |
| Future Battery Input | Available with GEN24 Plus Upgrade |
| Battery Voltage Range After Upgrade | 150V - 455V DC |
| Maximum Battery Input Current After Upgrade | 22A |
| Full Backup Output After Upgrade | 3,800VA at 220V / 240V |
| Full Backup Switching Time After Upgrade | <35 Seconds |
| Maximum Efficiency | 97.4% at 208/220V; 97.6% at 240V |
| CEC Efficiency | 96.5% |
| MPP Adjustment Efficiency | >99.9% |
| Protection Features | DC Insulation Measurement, DC Disconnector, Reverse Polarity Protection, Arc Fault Circuit Interruption |
| Communication | WLAN, 2 × Ethernet LAN, Modbus TCP, Fronius Solar API (JSON) |
| Monitoring Platform | Fronius Solar.web |
| Data Logger and Web Server | Integrated |
| Cooling Method | Active Cooling Technology |
| Protection Class | Type 4X |
| Installation | Indoor or Outdoor |
| Operating Temperature | -40°F to +140°F (-40°C to +60°C) |
| Permissible Humidity | 0% - 100% |
| Noise Emissions | <42 dB(A) |
| Maximum Altitude | 13,123 ft (4,000 m) |
| Dimensions | 20.4 × 18.7 × 6.5 in |
| Weight | 33.24 lbs |
| Country of Manufacture | Austria |
| Certifications | UL1741 Third Edition, UL1741 SA/SB, UL1998, IEEE1547, FCC Part 15, CSA C22.2, UL1699B |
Fronius is a global manufacturer of advanced solar inverters, monitoring platforms, and renewable energy technologies. Known for reliable engineering, intelligent system monitoring, and installer-friendly designs, Fronius products are built to deliver high-performance photovoltaic power conversion for modern solar systems.
The Fronius Primo GEN24 3.8 combines dual MPPT flexibility, Dynamic Peak Manager shade optimization, Active Cooling Technology, PV Point backup power, and integrated monitoring into a compact inverter platform designed for reliable residential solar performance.
US Solar Supplier is an American-founded company based in Kentucky dedicated to offering top-quality solar components from trusted manufacturers. We provide competitive pricing, dependable inventory, and products backed by warranties you can trust.
Our inventory is updated daily with the latest solar technologies, and our experienced team is ready to assist with product selection, system design, and installation guidance.
Have questions before you order? Call 1-800-230-7004 to speak with our knowledgeable support team. We're here to help with product details, compatibility questions, or purchasing support.