Fronius Symo Advanced 20.0-3 480V Three Phase Grid-Tie Inverter Lite (Includes Built-In SunSpec)

The Fronius 4210056800 Symo Advanced 20.0-3 is a transformerless three-phase grid-tie inverter built for commercial rooftop and ground-mount solar systems. Rated at 20 kW with a 98% peak efficiency (97% CEC), it accepts up to 1,000 VDC across two MPPT trackers and outputs up to 19,995 W at 480/277 V WYE. Built-in SunSpec rapid shutdown communication, AFCI and an integrated DC disconnector make it a code-ready choice for demanding installations.

Key Features:

• 20 kW output, 98% max efficiency (97% CEC)
• Transformerless three-phase topology
• Max output power 19,995 VA, 24 A continuous
• 2 MPPT trackers, 200-1,000 VDC input range
• Max PV input 1,000 VDC, 33 A / 25 A
• Grid connection 480 / 277 V WYE, 45-65 Hz
• Built-in SunSpec rapid shutdown, AFCI, DC disconnect
• NEMA 4X enclosure, -40°F to 140°F operation
• 28.5 x 20.1 x 8.9 in, 95.7 lbs
• 10-year warranty, UL 1741 SA certified

Suited to commercial and light-industrial PV systems requiring indoor or outdoor installation at tilt angles from 0 to 90 degrees. Extensive communication options including Ethernet, WiFi, Modbus RTU/TCP and RS422 integrate it into monitoring and load management platforms for reliable, code-compliant three-phase generation. Order the 4210056800 from Circuit Solar, in stock in Canada and shipped from Red Deer, AB.