SURGE PROTECTOR FRONIUS DC SPD 8.2 TYPE 1+2 M RETROFIT (4,240,335, CK)

WHAT IS DC SPD 8.2 TYPE 1 + 2M? The DC SPD 8.2 TYPE 1 + 2 M kit is for type 1 + 2 surge protection that can be installed in the terminal compartment of the SnapINverter family of "small" inverters: Fronius Symo 3.0-3-S - 4.5-3-S Fronius Symo 3.0-3-M - 8.2-3-M Fronius Primo 3.0-3-M - 8.2-3-M Fronius Symo Hybrid 3.0-3-S - 5.0-3-S VERSIONS Only one version available, SPD type 1 + 2, for use with 1 or 2 MPPT devices. This item can only be ordered as an inverter add-on kit. It cannot be o