Fronius SYMO-22.7-3-480LT
Fronius SYMO-22.7-3-480LT / Fronius Symo 22.7-3 3 Phase, 480V LITE
The transformerless, three-phase Fronius Symo Advanced 22.7-3 string inverter handles up to 29,500 Watt DC input and delivers 22,700 Watt AC output for commercial solar installations with a 480V, 3-phase grid connection. The high system voltage and wide input range ensure maximum flexibility in system design. The new Advanced versions combine the benefits of the Fronius Symo with additional value for states with Module Level Shutdown requirements including integrated PLC transmitter for SunSpec Rapid Shutdown communication standard, compliance with NEC pre-2014, 2014 and 2017, zero tilt mounting, light weight and field serviceability.
With low roof loading, NEMA 4X and 1000 V DC rating, the Fronius Symo Advanced can be mounted in many different ways, including on a roof or on a pole. The modern compact design is equipped with the SnapINverter mounting system, allowing for lightweight, secure and convenient installation. Several features are included with the Fronius Symo including Wi-Fi and SunSpec Modbus interfaces for seamless monitoring and data-logging, Arc Fault Circuit Interruption (AFCI), NEC 2017 compliant, and Fronius online and mobile monitoring platform Fronius Solar.web. Certified to UL 1741-SA (Rule 21) and FCC.
Specification
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MAXIMUM STC RATED PV POWER: |
29,500 watts DC |
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MINIMUM STC RATED PV POWER: |
18,000 watts DC |
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MAX. USABLE INPUT CURRENT (MPPT1/MPPT 2): |
33.0 Amps / 25.0 Amps |
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MAX. USABLE INPUT CURRENT TOTAL (MPPT 1 + MPPT 2): |
51 Amps |
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MAX. ARRAY SHORT CIRCUIT CURRENT (MPPT 1/MPPT 2): |
49.5 Amps / 37.5 Amps |
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NOMINAL INPUT VOLTAGE: |
720 V DC |
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OPERATING VOLTAGE RANGE: |
200-1000 V DC |
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DC STARTUP VOLTAGE: |
200 V DC |
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MPP-VOLTAGE RANGE: |
500-800 Volts |
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MAX. INPUT VOLTAGE: |
1000 V DC |
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ADMISSIBLE CONDUCTOR SIZE DC: |
AWG 14 – AWG 6 copper direct, AWG 6 aluminum direct, AWG 4 – AWG 2 copper or aluminum with input combiner |
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INTEGRATED DC STRING FUSE HOLDERS: |
6- and 6+ |
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MAX (ISC) INPUT TERMINAL RATING: |
15A |
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NUMBER OF MPPT: |
15A |

