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Fronius Symo Advanced Lite FRO-SA-20.0-3-4

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WEIGHT: 95.7
DIMENSION: 20.1 x 28.5 x 8.9 inches

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Current Stock: 10

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.

Width511 mm
Height724 mm
Depth226 mm
Weight43,4 kg
InstallationIndoor 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
Weight43,4 kg
Protection classNEMA 4X
Night time consumption<1 W
Inverter topologyTransformerless
CoolingVariable speed fan
Elevation2000 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 standardsUL 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 terminals6x DC+ and 6x DC- screw terminals for copper (solid / stranded / fine stranded) or aluminum (solid / stranded)
AC connection terminalsScrew terminals 14-6 AWG
Number of MPPT2
Max. usable input currentNA
Max. usable input current total (MPPT1 + MPPT2)51 A
Max. array short circuit current (1.5 * Imax)76,5 A
Operating voltage range200-1000 V
MPP Voltage Range450-800 V
Max. input voltage (Udc max)1000 V
Max. output power 480 V19995 W
Max. output power 277 V19995 W
Max. output power 240 VNA
Max. output power 208 VNA
Output configuration3~ NPE 480 V
Frequency range50-66 Hz
Nominal operating frequency60 Hz
Power factor range0-1 ind,/cap,
Max continuous output current 480 V24,0 A
Max. continuous output current 277 V24,0 A
Max. continuous output current 240 VNA
Max. continuous output current 208 VNA
DC reverse polarity protectionYes
Anti islandinginternal; in accordance with UL 1741-2010, IEEE 1547-2003 and NEC
Over temperature protectionOuput power derating/Active cooling
Rapid shutdown compliantYes
Ground fault protection with isolation monitor interrupterYes
DC disconnectYes
USB (type A socket)Datalogging and inverter update possible via USB
2x RS422 (RJ45 socket)Fronius Solar Net, interface protocol
Wi-Fi / Ethernet / Serial / Datalogger and webserverWireless standard 802.11 b/g/n / Fronius Solar.web, SunSpec Modbus TCP, JSON / SunSpec Modbus RTU
6 inputs and 4 digital I/OsLoad management; signaling, multipurpose I/O
Power Line Communication (PLC)Yes – SunSpec Rapid Shutdown communication standard
Compatible Module Level ElectronicTigo TS4-F based on SunSpec PLC (pending testing)

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