Combined lightning current arrester type 1 (class B) according to EN 61643-11. Upper and lower sections with optical function display, corresponds to VDN guideline 2nd edition 2004, discharge capacity 50 kA 10/350s per pole, protection level < 1.3 kV, line follow current extinguishing 25 kA peak, max. required backup fuse 500 A, LPZ 0-2. Encapsulated, non-blow-out spark gap. No distance (cable length) to downstream type 2 arresters (surge protection) required. 5 year warranty
