Connection box for lightning and surge protection of photovoltaic systems. The compact design means that the PV box is very space-saving and easy to connect thanks to the MC 4 connectors. Type 1+2, network configuration: Y-connection, Iimp / pole = 6.25 kA, Itotal = 12.5 kA, protection paths: (+)-(PE), (-)-(PE), (+)-(-), (+/-)-(PE)