Fronius Symo Front Facing
Fronius Symo Three-Phase Commercial Inverters
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Fronius Symo Three-Phase Commercial Inverters

The Fronius Symo three-phase commercial inverter utilizes the Fronius SnapINverter™ hinge mounting system, which enables tool-free attachment and removal of the inverter from the wall mounting plate and integrated disconnect, making it easier than ever to install large solar arrays. Power ranges from 10 kW to 24 kW. A wide MPPT voltage range, two MPPT input circuits (note: only one MPPT circuit on Symo 15.0-208-3), and the NEMA 4X enclosure provides greater flexibility in system design even in extreme environments. Fuse holders ship with slugs, so appropriate fuses must be ordered separately (See Electrical Distribution Parts). 

Fronius Symo inverters can be equipped with the WiFi Fronius Datamanager 2.0 card that enables Internet monitoring via the Fronius Solar.web portal on computer or smartphone. Only one card is required for multiple Symo inverters installed in the same location. The inverters also support a Modbus interface for third-party monitoring and datalogging. The Fronius.Web monitoring portal can also utilize the free Fronius Solar.TV service, to transmit monitoring data to a public display, which includes system yield, energy production, and environmental benefits. 

Fronius Symo inverters are covered by a 10-year warranty, which can be extended to 15 or 20 years. These transformerless inverters work with an ungrounded PV array topology so the requirements of NEC apply, including use of PV Wire for exposed array string wiring.


  1. Dual-MPPT DC inputs
  2. Internal Arc Fault Circuit Interrupter (AFCI) for added safety per NEC 2011
  3. Inverter sizes available from 10.0 kW to 24.0 kW
  4. Easy-to-mount SnapINverter concept and NEMA 4X enclosure
  5. WiFi, wired Ethernet, or Serial monitoring through preinstalled Datamanager Card
  6. Monitoring included via Fronius Solar.Web Portal
  7. 10-year warranty, extendable up to 20 years
  8. Listed to UL 1741-2010, UL 1699B Issue 2-2013 and CSA TIL M-07 Issue 1-2013 for U.S.A. and Canada.
  9. Complies with: IEEE 1547-2003, IEEE 1547.1, ANSI/IEEE C62.41, FCC Part 15 A & B, C22.2 No. 107.1-01 (Sept 2001)



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