HG150 is a lightning arrester type 1 according to EN 61643-11. These are recommended for use in the Lightning Protection Zones Concept at the boundaries of LPZ 0 – 1 (according to IEC 1312-1 and EN 62305) for lightning current equipotential bonding in power supply systems entering the building.
The lightning arrester is constructed as a gas discharge tube for installation in main
switchboards. HG150 is intended for use in TNS and TT systems between N/PE only.
High-power lightning arrester HG150 is intended for use in areas with a high frequency of storm days. The main use of HG150 arrester is in industrial installations such as transformers or the main switchboards of large industrial buildings.