AC Surge Arrestor 3-Phase

This AC Surge Arrester – Type 1 – 3 Phase combined lightning current and surge arrester is for three phase systems. This 4 rail mounted type 1 and 2 combined lightning and surge arrester is for grid AC connections. It is to be used when the installation has a fitted lightning protection system. It will need to be fitted at the origin of the supply with type 2 SPD closer to the inverter.