Lightning current arrester type 1 - for lightning protection equipotential bonding in accordance with DIN EN 62305 (IEC 62305) - lightning current discharge capacity 35 kA (10/350) per pole - line follow current extinguishing 50 kAeff, arrester backup fuse up to 400 A gL/gG - encapsulated, non-blow-out spark gap arrester for use in distribution boxes - disconnection device with optical display - remote signaling with potential-free changeover contact Application: exclusively for 400/690V network systems