Fronius Symo 20.0-3-M Light Version – 20kW 3-Phase Grid-Tie Solar Inverter. TheFronius Symo 20.0-3-M Light Version is the perfect solution! 1xFronius Symo 20.0-3-M Light Version Inverter. NB: The Symo Light does not include a Datamanager Card as standard, you will need a Fronius Datamanager Card if you want to wirelessly connect the inverter to the web.
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