Fronius Primo GEN24 Plus 3.8 Is a Compact Hybrid for Smaller Homes
The Fronius Primo GEN24 Plus 3.8 is a 3.8kW single-phase hybrid inverter for 208V, 220V or 240V homes. It includes a battery connection for storage and Full Backup (with external grid separation components), PV Point emergency power from the sun, and Dynamic Peak Manager shade optimization. Active Cooling Technology helps the electronics last.
Why You'll Love The Fronius Primo GEN24 Plus 3.8 Inverter
Battery ready. The Plus version has a battery input for storage and Full Backup power.
Backup from the sun. PV Point powers a designated outlet during an outage while the sun shines, no battery needed.
Shade management built in. Dynamic Peak Manager optimizes yields at the string level.
Flexible design. SuperFlex Design supports multiple orientations and strings from 3 modules.
Your life, with the Fronius Primo GEN24 Plus 3.8 Inverter
Your small roof array keeps your bills down every day. When the power goes out on a sunny afternoon, the PV Point outlet still runs the essentials while the neighbors wait it out.
The Fronius Primo GEN24 Plus 3.8 Inverter in a nutshell
3,800W output
3,800W at 208, 220 or 240V, 50/60Hz.
Two MPPTs
65 to 480V operating range, up to 5,700Wp of PV.
Monitoring and control
WLAN, 2x Ethernet, Solar.web, Modbus TCP, Solar API and Smart Meter WR support.
Quiet and tough
Type 4X, under 42 dB(A), -40 to 140°F.
Fronius Primo GEN24 Plus 3.8 Inverter specifications
Input
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Number of MPPT: 2
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Voltage withstand limit: 600 VDC
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Rated input voltage: 360 / 380 / 400V (208 / 220 / 240Vac)
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Feed-in start voltage: 80V
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Operating voltage range: 65 to 480V
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MPP voltage range (rated power): 200 to 480V
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Max short circuit current per MPPT: 36A / 19A
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Max usable input current: 22A MPPT1 / 12A MPPT2
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Max usable DC power: 3,940W
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Max PV generator output: 5,700 Wp
Output
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AC rated power: 3,800W (208 / 220 / 240V)
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Rated AC output current: 18.3A / 17.3A / 15.8A
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Grid connection: Single phase 208 / 220 / 240V (-12 / +10%)
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Frequency: 50 / 60Hz (45 to 66Hz)
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Distortion factor: Under 3.5%
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Power factor: 0.8 to 1 ind./cap.
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Max efficiency: 97.4 / 97.4 / 97.6%
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CEC efficiency: 96.5%
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MPP adjustment efficiency: Over 99.9%
General
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Dimensions (H x W x D): 20.4 x 18.7 x 6.5 in (518 x 474 x 164 mm)
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Weight: 35.56 lb (15.08 kg)
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Protection: Type 4X, indoor and outdoor
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Cooling: Active Cooling Technology
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Ambient temperature: -40 to 140°F (-40 to 60°C)
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Noise: Under 42 dB(A)
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Protection: DC insulation measurement, DC disconnector, reverse polarity protection, AFCI (Arc Guard)
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Interfaces: WLAN, 2x Ethernet LAN, Solar.web, Modbus TCP, Solar API (JSON), 6 digital inputs, 6 digital I/O, emergency shutdown (WSD), datalogger and webserver, Smart Meter WR / Modbus RTU
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Certifications: UL 1741 Third Edition (incl. SA and SB), UL1998, IEEE 1547:2018 incl. 1547a:2020, IEEE 1547.1:2020, FCC Part 15 A and B, CSA C22.2 No. 107.1-16, 290-19, 330-23, UL1699B:2021
Let the experts help you find your perfect Fronius Primo GEN24 Plus 3.8 Inverter setup
Tell us your roof size, loads and backup goals and we will help you size the GEN24 Plus 3.8 system, meter and battery.
Email support@kratopower.com or call +1 888-855-7286.
Fronius Primo GEN24 Plus 3.8 Inverter documents and materials
Safety disclaimer: Hybrid inverters connect to solar arrays, batteries and the utility grid, all of which carry dangerous voltages. Installation must be carried out by a licensed electrician in line with the NEC, local codes, utility rules and the manufacturer's instructions. You use this product at your own risk. The content on this page is general product information, not professional or medical advice. If you have any doubt, consult a qualified professional.
