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The Fronius Primo 7.6-1 is a 7.6 kW single-phase grid-tied inverter engineered for superior performance in residential and light commercial solar installations. Combining Fronius’ precision Austrian engineering with advanced monitoring and flexible system compatibility, it ensures long-term reliability and maximum energy yield.
Delivers up to 97.8% maximum efficiency, ensuring optimal conversion from DC to AC power with minimal loss.
Supports multiple PV string configurations and shading tolerance through two independent Maximum Power Point Trackers (MPPTs).
Includes built-in Wi-Fi, Ethernet, and SunSpec Modbus for seamless system monitoring via Fronius Solar.web.
Ensures consistent temperature management and extended inverter lifespan — outperforming passively cooled alternatives.
Lightweight, compact, and compatible with NEC 2014 Rapid Shutdown and smart grid requirements (Rule 21, HECO, and UL 1741 SA).
| Model | 4210061800 |
| Rated Power Output | 7.6 kW |
| AC Output Voltage | 208–240 V AC (Single Phase) |
| Max Efficiency | 97.8% |
| MPPT Inputs | 2 Independent |
| Communication | Wi-Fi, Ethernet, Modbus (SunSpec) |
| Enclosure Rating | NEMA 4 (Outdoor Rated) |
| Operating Temperature | -40 °C to +60 °C |
| Cooling | Active Fan Cooling |
| Weight | 47.0 lb (approx.) |
| Manufacturer | Fronius International GmbH |
| Warranty | 10 Years (Standard, Extendable to 20 Years) |
Documentation: Fronius Primo 7.6-1 Datasheet (PDF)
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