Fronius Symo Advanced 20.0-3 480 Lite 20 kW 3-phase Grid Tied Solar Inverter (no Datamanager). The Fronius Symo Advanced is the ideal inverter for commercial applications. 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. PV generator output (Pdc max). Input current (Idc max1 / Idc max2). 33,0 / 25 A. Array short circuit current (MPP1 / MPP2). 49.5 / 37.5 A. DC input voltage range (Udc min + Udc max). 200 – 1000 V. Usable MPP voltage range (Umpp min + Umpp max). 450 – 800 V. AC nominal Ouput (Pac, r). 480 / 277 V WYE. 45 – 65 Hz. Adjustable 0.85 leading to 0.85 lagging. DC reverse polarity protection. Output power derating / Active cooling. Ground fault protection with isolation monitor interrupter. Datalogging and inverter update possible via USB. 2x RS422 (RJ45 socket). Wi-Fi (optional)/ Ethernet / Serial / Datalogger and webserver (optional). Wireless standard 802.1 1 b/g/n / Fronius Solar. Web, SunSpec Modbus TCP, JSON / SunSpec Modubs RTU. 6 inputs or 4 digital inputs/outputs (optional). Load management; signaling, multipurpose I/O.