Compact, non-pluggable, leakage-proof lightning surge/current arrester based on wear-free carbon arc arrester technology, for three-phase power supply networks with N and PE separately (5-conductor system: L1, L2, L3, N, PE), suitable for use upstream of the meter, Bypass capacity up to 50 kA for lightning protection classes III and IV, with remote signal.
Lightning current arrester / leakage-proof non-pluggable surge protection device based on arc arresters for three-phase power supply networks with separate N and PE (5-conductor system: L1, L2, L3, N, PE), for use upstream of the meter, for lightning protection classes III and IV, with remote signal.
Spark gap-based non-pluggable lightning current arrester / surge protective device free of leakage current for 3-phase power supply networks with separate N and PE (5-conductor system: L1, L2, L3, N, PE), for use in the unmetered area, for lightning protection levels III and IV, with remote signaling.