Fronius Symo 20.0-3 Inverter for 480V
| Commercial Solar Grid-Tie Inverter Rated up to 19,995 watt AC output |
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| Input Power (DC) | |
| Fronius Model Number | Symo 20.0-3 480 |
| Max. AC Output Power | 19,995 W @ 480V |
| PV Input Power | 16.0 - 26.0 kWp |
| Operating Voltage Range | 200V-1000V |
| Max. Input Current per MPPT | 33.0A / 25.0A |
| Inverter Efficiency | 98.0% |
| Output Voltage | 480VAC |
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Fronius Symo 20.0-3 480 Inverter
SKU symo-20.0-3-480
Fronius Symo 20.0-3 480 Inverter
Commercial projects that last. The Fronius Symo 20.0-3 480 inverter.
The transformerless Fronius Symo 20 kW inverter for 480V is the ideal compact three-phase solar inverter for commercial applications of all sizes. The Fronius Symo is the clear commercial choice. This inverter features fully integrated, Fronius SuperFlex Design with dual MPPT, and a streamlined installation process.
SnapINverter hinge mounting system
A lightweight inverter and an easy commissioning app make installation possible in under 15 minutes.
Industry-leading features
Wi-Fi and SunSpec Modbus interfaces for seamless monitoring and datalogging, field proven Arc Fault Circuit Interruption (AFCI), NEC 2014 compliance, and Fronius’ superb online and mobile monitoring platforms.
Also field serviceable, The Fronius Symo is the most communicative, efficient, sustainable and streamlined three-phase string inverter available on the market. The Fronius Symo: powering commercial projects that last.
Datamanager Card Capable
One Fronius Datamanager 2.0 Card can be integrated into at least 1 unit per 100 inverters with the built-in Wi-Fi and SunSpec Modbus.
Included Features
- AFCI & 2014 NEC Compliant
- DC Disconnect
- DC Reverse Polarity Protection
- Ground fault protection with isolation monitor interrupter
- Datalogging and inverter update via USB
- 2x RS422 (RJ45 socket) for Fronius Solar Net, interface protocol
Certifications
UL 1741-2015, UL1998 (for functions: AFCI, RCMU and isolation monitoring), IEEE 1547-2003, IEEE 1547.1-2003, ANSI/IEEE C62.41, FCC Part 15 A & B, NEC Article 690-2014, C22. 2 No. 107.1-01 (September 2001) , UL1699B Issue 2 -2013, CSA TIL M-07 Issue 1 -2013
Fronius Symo 20.0-3 480 Inverter ReviewThe Fronius Symo has a slew of features fully integrated. They include the Fronius SuperFlex Design with dual MPPT and the simplified SnapINverter installation process like no other. The SnapINverter hinge mounting system and lightweight inverter creates a streamlined installation that can be done under 15 minutes. Several industry-leading featues are available or already integrated with the Fronius Symo including Wi-Fi and SunSpec Modbus interfaces for seamless monitoring and datalogging, field proven Arc Fault Circuit Interruption (AFCI), and Fronius’ free online and mobile monitoring platform Fronius Solar.web.
Contact us toll-free at (877) 297 0014 for expert assistance with any Fronius Symo 20.0-3 480 inverter. |




The Fronius Symo 20.0-3 480 inverter is compliant with NEC 2014 AFCI requirements. Arc fault circuit interrupters, or AFCIs, are devices that provide a higher level of protection by detecting hazardous arcing conditions and shutting down the electricity before a fire can start.
To comply with the new National Electrical Code® (NEC) requirements, the Fronius Symo inverter line has proprietary built-in arc fault circuit interruption (AFCI) to detect and extinguish an arc fault, and can notify the system operator that the incident occurred.


