Fronius Primo 15.0-1 Inverter | 15kW Grid-Tie | Transformerless
The transformerless Fronius Primo 15.0-1 is a high-output single-phase grid-tied inverter for large residential and light commercial PV systems. It features dual MPPTs, integrated safety protections (AFCI/GFDI), and flexible monitoring/communications options for dependable long-term performance.
Key Specifications
• Model – Fronius Primo 15.0-1
• Inverter Type – Grid-Tie, Transformerless (Single-Phase)
• Max. Permitted PV Power – 22.50 kWp
• Operating Voltage Range – 80–1,000 V DC
• Max. Input Voltage – 1,000 V DC
• Nominal Input Voltage – 680 V DC
• MPPT Voltage Range – 320–800 V DC
• Number of MPPT – 2
• Max. Usable Input Current (MPPT1 / MPPT2) – 33.0 A / 18.0 A
• Max. Admissible Input Current (MPPT1 / MPPT2) – 49.5 A / 27.0 A
• Total Max. DC Current – 51 A
• Max. Output Power – 15,000 W @ 240 V AC / 13,750 W @ 208 V AC
• Max. Continuous Output Current – 62.5 A @ 240 V / 66.1 A @ 208 V
• Max. Output Fault Current / Duration – 916 A peak / 6.46 ms
• Grid Connection – 208 / 240 V AC
• Frequency – 60 Hz
• Total Harmonic Distortion – <2.5%
• Power Factor (cos φac) – 0–1 ind./cap.
• Max. Efficiency (Lite version) – 97.9%
• CEC Efficiency (Lite version) – 97.0%
• Recommended OCPD / AC Breaker Size – 80 A @ 240 V / 90 A @ 208 V
• Enclosure Rating – NEMA 4X
• Night Time Consumption – <1 W
• Cooling – Controlled forced ventilation, variable speed fan
• Installation – Indoor and outdoor installation
• Ambient Operating Temperature Range – −40 to 140°F (−40 to 60°C)
• Permitted Humidity – 0–100%
• DC Connection Terminals – Screw terminals for copper (solid/stranded/fine stranded) or aluminum (solid/stranded)
• AC Connection Terminals – Screw terminals 12–6 AWG
• Revenue Grade Metering – Optional (ANSI C12.1 accuracy)
• Interfaces – USB (A socket) standard; 2× RS422 (RJ45 socket) standard; Wi-Fi/Ethernet/SunSpec datalogger & webserver optional; 6 inputs or 4 digital inputs/outputs optional
• Protective Devices – AFCI (Yes); Ground Fault Protection with Isolation Monitor (Yes); DC disconnect (Yes); DC reverse polarity protection (Yes)
• Dimensions (W × H × D) – 20.1 × 28.5 × 8.9 in (51.1 × 72.4 × 20.6 cm)
• Weight – 82.5 lb (37.4 kg)
