DC surge protection SPD Type I + II for Symo 10.0-3-M to 20.0-3-M + Eco, without cabling
Fronius Symo in Multi-MPPT mode: 2 units required
Fronius Symo in Single-MPPT mode: 1 unit required
Fronius Eco: 1 unit required
For more information, please visit the home page for this product.