Fronius Primo 11.4-1 208/240V Single Phase Grid-Tie Inverter

The Fronius 4210076800 Primo 11.4-1 is an 11.4 kW single-phase transformerless grid-tie inverter for residential and light commercial PV systems. It features two MPPT trackers, a wide 80-1000 V operating range, and 97.9% peak efficiency (96.5% CEC at 240 V). With integrated AFCI, DC disconnect, and DC reverse-polarity protection, it delivers up to 11400 W at 208 or 240 VAC and accepts up to 17.10 kW of PV power.

Key Features:

• 11.4 kW output, 97.9% peak efficiency
• 96.5% CEC efficiency at 240 V
• 2 MPPT trackers, transformerless topology
• Max PV input 1000 VDC, MPP range 240-800 V
• Max PV input current 33 A, total max DC 51 A
• Max continuous output current 54.8 A
• Recommended 70 A AC breaker at 240 V
• NEMA 4X, -40°F to 140°F, indoor/outdoor
• Ethernet, WiFi, Modbus RTU/TCP, RS422, USB
• Integrated AFCI, DC disconnect, 10-year warranty

Ideal for larger residential and small commercial rooftop arrays, the Primo 11.4-1 suits installers needing flexible dual-MPPT design and rugged all-weather mounting. Its broad communication options, including WiFi, Ethernet, and Modbus, integrate with monitoring platforms, while optional revenue grade metering supports utility-grade reporting. Order the 4210076800 from Circuit Solar, in stock in Canada and shipped from Red Deer, AB.