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- SKU
- PES-SPS-SIV-0746
- MPN
- 4210077800
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Fronius Primo 12.5-1 208/240V String Inverter — Reliable Single-Phase Solar Power Solution
The Fronius Primo 12.5-1 208/240V String Inverter is a high-efficiency solar inverter engineered for residential and small commercial PV systems. Designed with cutting-edge power electronics and smart communication features, the Fronius Primo 12.5-1 208/240V String Inverter delivers unmatched performance, reliability, and safety. It provides flexible design options for a range of solar applications, ensuring optimal energy production and long-term operation. The Fronius Primo 12.5-1 208/240V String Inverter combines Austrian precision engineering with advanced monitoring capabilities to meet modern grid standards.
Product Features
High Conversion Efficiency
Achieves up to 98.1 % efficiency with transformerless design, reducing power loss and maximising yield even in partial shading conditions.
Smart Grid Ready
Equipped with dynamic grid support and reactive power management, enabling smooth integration with evolving grid regulations.
Integrated Data Communication
Built-in Wi-Fi, Ethernet, and Modbus interfaces enable real-time system monitoring through Fronius Solar.web and third-party platforms.
SnapINverter Technology
Innovative hinged mounting design simplifies installation, maintenance, and servicing, reducing downtime and labour costs.
Quiet, Compact Design
The Fronius Primo 12.5-1 208/240V String Inverter features fan-assisted active cooling for consistent performance in variable climates while maintaining low noise levels.
How It Works
The Fronius Primo 12.5-1 208/240V String Inverter converts DC electricity from solar panels into AC power suitable for home or business use. Integrated maximum power point tracking (MPPT) technology ensures optimal performance by adjusting voltage and current in real time to extract the maximum available solar energy.
Specifications
| Model | Primo 12.5-1 |
| MPN | 4210077800 |
| Rated AC Power Output | 12.5 kW |
| AC Voltage | 208/240 V AC, Single Phase |
| DC Input Voltage Range | 270 – 800 V DC |
| Maximum DC Input Voltage | 1000 V DC |
| Number of MPPTs | 2 |
| Maximum Efficiency | 98.1 % |
| Enclosure Rating | NEMA 4X / IP65 (Outdoor Rated) |
| Cooling System | Fan-Assisted Active Cooling |
| Communication Interfaces | Ethernet / Wi-Fi / Modbus RTU / RS485 |
| Dimensions (L × W × H) | 28 × 17 × 8 in (711 × 432 × 203 mm) |
| Weight | ≈ 47.3 lb (21.5 kg) |
| Operating Temperature Range | -13 °F to 140 °F (-25 °C to +60 °C) |
| Warranty | 10 Years (Extendable) |
| Manufacturer | Fronius |
Specifications verified from Fronius official datasheet (Primo 3.8–15.0-1 Data Sheet, 2023) and installation manuals.
| SKU | PES-SPS-SIV-0746 |
|---|---|
| MPN | 4210077800 |
| Manufacturer | Fronius |
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