November 30 Fronius Primo Grid Tied Solar String Inverter Tags: fronius, grid, inverter, primo, solar, string, tied Posted November 30, 2018 by admin in category fronius Post navigation FRONIUS IG PLUS 3.8-1 3800W Grid Tie Solar Inverter With DC Disconnect IG+ FRONIUS IG + PLUS 3.8-1 UNI 3800W Grid Tie Solar Inverter DC Disconnect USED