Fronius Symo Advanced Lite FRO-SA-20.0-3-4
The transformerless, three-phase Fronius Symo Advanced 20.0-3 string inverter handles up to 26,000 Watt DC input and delivers 20,000 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.
Width | 511 mm |
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Height | 724 mm |
Depth | 226 mm |
Weight | 43,4 kg |
Installation | Indoor and outdoor installation, tilt from 0 - 90 degree (Fronius Shade Cover required for installation angles less than 15 degrees) |
Permitted humidity 2) | 0 - 100 % (non-condensing) |
Dimension (width) | 511 mm |
Dimension (height) | 724 mm |
Dimension (depth) | 226 mm |
Weight | 43,4 kg |
Protection class | NEMA 4X |
Night time consumption | <1 W |
Inverter topology | Transformerless |
Cooling | Variable speed fan |
Elevation | 2000 m (6562 ft) with a max. input voltage of 1000 V / 3400 m (11155 ft) with a max. input voltage of 850 V |
Certificates and compliance with standards | UL 1741-2010 Second Edition (incl. UL1741 Supplement SA 2016-09 for California Rule 21 and Hawaiian Electric Code Rule 14H), UL1998 (for functions: AFCI, RCMU and isolation monitoring), IEEE 1547-2003, IEEE 1547a-2014, IEEE 1547.1-2003, ANSI/IEEE C62.41, FCC Part 15 A & B, NEC 2017 Article 690, C22. 2 No. 107.1-16, UL1699B Issue 2 -2013, CSA TIL M-07 Issue 1 -2013 |
DC connection terminals | 6x DC+ and 6x DC- screw terminals for copper (solid / stranded / fine stranded) or aluminum (solid / stranded) |
AC connection terminals | Screw terminals 14-6 AWG |
Number of MPPT | 2 |
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Max. usable input current | NA |
Max. usable input current total (MPPT1 + MPPT2) | 51 A |
Max. array short circuit current (1.5 * Imax) | 76,5 A |
Operating voltage range | 200-1000 V |
MPP Voltage Range | 450-800 V |
Max. input voltage (Udc max) | 1000 V |
Max. output power 480 V | 19995 W |
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Max. output power 277 V | 19995 W |
Max. output power 240 V | NA |
Max. output power 208 V | NA |
Output configuration | 3~ NPE 480 V |
Frequency range | 50-66 Hz |
Nominal operating frequency | 60 Hz |
Power factor range | 0-1 ind,/cap, |
Max continuous output current 480 V | 24,0 A |
Max. continuous output current 277 V | 24,0 A |
Max. continuous output current 240 V | NA |
Max. continuous output current 208 V | NA |
DC reverse polarity protection | Yes |
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Anti islanding | internal; in accordance with UL 1741-2010, IEEE 1547-2003 and NEC |
Over temperature protection | Ouput power derating/Active cooling |
AFCI | Yes |
Rapid shutdown compliant | Yes |
Ground fault protection with isolation monitor interrupter | Yes |
DC disconnect | Yes |
USB (type A socket) | Datalogging and inverter update possible via USB |
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2x RS422 (RJ45 socket) | Fronius Solar Net, interface protocol |
Wi-Fi / Ethernet / Serial / Datalogger and webserver | Wireless standard 802.11 b/g/n / Fronius Solar.web, SunSpec Modbus TCP, JSON / SunSpec Modbus RTU |
6 inputs and 4 digital I/Os | Load management; signaling, multipurpose I/O |
Power Line Communication (PLC) | Yes – SunSpec Rapid Shutdown communication standard |
Compatible Module Level Electronic | Tigo TS4-F based on SunSpec PLC (pending testing) |