Fronius Primo Full 10.0-1 10 kW 208 / 240 VAC Transformerless Grid Tie Inverter
The transformerless Fronius Primo is the ideal compact single-phase grid tie inverter for residential and small-scale commercial applications with power categories from 3.8 to 8.2 kW. In accordance with ESA rules for residential applications, the Fronius Primo can operate efficiently at a maximum input voltage of 600 V. And for increased efficiency and additional cost savings for commercial applications, the Fronius Primo can operate at the maximum input voltage of 1,000 V. Industry leading features now come standard with the Fronius Primo, including: dual maximum power point tracking, arc fault protection, integrated wireless monitoring and SunSpec Modbus interfaces for seamless monitoring and datalogging via Fronius’ online and mobile platform, Fronius Solar.web.
INPUT DATA
| Number of MPPT | 2 |
|---|---|
| Recommended PV Power (kWp) | 8.0 – 15.5 kW |
| Max. usable input current | 33,0 / 18,0 A |
Max. usable input current total (MPPT1 + MPPT2) | 51 A |
Max. array short circuit current (1.5 * Imax) | 49,5 / 27 A |
Nominal input voltage | 655 V |
| Operating voltage range | 80 – 1000 V |
MPP Voltage Range | 220 – 800 V |
Max. input voltage (Udc max) | 1000 V |
| Integrated DC string fuse holders | 4- and 4+ for MPPT 1 / no fusing required on MPPT 2 |
OUTPUT DATA
| Max. output power 240 V | 9995 VA |
|---|---|
| Max. output power 208 V | 9995 VA |
Output configuration | 1~ NPE 208 / 240 V |
| Frequency range | 45 – 66 Hz |
| Nominal operating frequency | 60 Hz |
| Total harmonic distortion | < 2,5 % |
Power factor range | 0 – 1 ind,/cap, |
| Max. continuous output current 240 V | 41,6 A |
| Max. continuous output current 208 V | 48,1 A |
| OCPD/AC breaker size 208 V | 70 A |
| Max. efficiency | 97,9 % |
| CEC efficiency 240 V | 96,5 % |
PROTECTION DEVICES
| DC reverse polarity protection | Yes |
|---|---|
| Anti islanding | internal; in accordance with UL 1741-2016-09, IEEE 1547-2003 and NEC 2017 |
| Over temperature protection | Output power derating / Active cooling |
| AFCI | Yes |
| Rapid shutdown compliant | Yes (according to NEC 2014) |
| Ground fault protection with isolation monitor interrupter | Yes |
| DC disconnect | Yes |
INTERFACES
| USB (A socket) | Datalogging and inverter update possible via USB |
|---|---|
| 2x RS422 (RJ45 socket) | Fronius Solar Net |
| Wi-Fi / Ethernet / Serial / Datalogger and webserver (optional) | Wireless standard 802.1 1 b/g/n / Fronius Solar.web, SunSpec Modbus TCP, JSON / SunSpec Modubs RTU |
| 6 inputs or 4 digital inputs/outputs (optional) | Load management; signaling, multipurpose I/O |
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