Fronius Checkbox 500V

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The Fronius Checkbox 500V guarantees the operational reliability of the storage solution with Fronius Symo Hybrid and the compatible LG Chem RESU batteries - even in exceptional si tuations. As the battery is designed for 500 V and the inverter is designed for 1000 V, the Fronius Checkbox 500V measures the voltage and disjoins the battery in the unlikely case of failure. Show more