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Fronius Primo 6kW Solar Inverter | 208-240V Single Phase | String Inverter
Original price was: $2,356.95.$1,629.25Current price is: $1,629.25.
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Get reliable solar performance with the Fronius Primo 6kW inverter, featuring dual MPPT, 208/240V single-phase power, and all-weather durability.
Smart energy meets powerful design — the Fronius Primo 6kW (208/240VAC) powers modern solar homes
The Fronius Primo 6kW is a single-phase, transformerless string inverter designed for residential solar power systems with a 208/240V grid connection. Built with the innovative SnapINverter hinge mounting system, this lightweight unit allows for quick, easy installation in under 15 minutes.
It features built-in Wi-Fi and SunSpec Modbus interfaces for seamless monitoring and control, along with advanced Arc Fault Circuit Interruption (AFCI) for enhanced safety. Homeowners can easily track performance through Fronius Solar.web, the brand’s free online and mobile monitoring platform.
The Primo 6kW string inverter is fully NEC 2014–ready and engineered for long-lasting, reliable performance—making it an excellent choice for efficient and connected home solar systems.
Powerful 6kW output for residential energy needs
98.1% peak efficiency for maximum power production
Dual MPPT trackers for optimized panel performance
Wide voltage range for flexible solar array designs
Built-in Wi-Fi for real-time system monitoring
NEMA 4X enclosure for durable outdoor installation
NEC 2014/2017 compliant with integrated AFCI protection
Lightweight design for simple and quick installation
| Model | Primo 6.0-1 |
| Type | Grid-Tie |
| Operating Temperature Range | -40°F to 140°F (-40°C to 60°C) |
| Enclosure | NEMA 4X |
| Cooling | Variable Speed Fan |
| Input (DC) | |
| Recommended PV Power (STC) | 9.3 kW |
| Max Input Voltage | 600 V |
| Min Input Voltage | 80 V |
| Number of MPPTs | 2 |
| Max Input Current | 18 A |
| MPP Voltage Range | 240 – 480 V |
| Output (AC) | |
| Continuous AC Power Output | 6,000 W |
| AC Voltage | 208 / 240 VAC |
| Frequency | 60 Hz |
| Peak Efficiency | 97.9% |
| CEC Efficiency | 96.5% |
| Phase | Single Phase |
| Special Features | Wi-Fi interface option, field serviceable, design flexibility |
| Pallet Quantity | 08 |
| Weight | 48 lbs |
|---|---|
| Dimensions | 31 × 22 × 12 in |
| MPN | 4.210.062.800 |
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