Combined arrester type 1+2, 4-pole with optical function display, for use in TN-S and TT networks.
Completely pre-assembled and ready for connection, consisting of:
3 x MCD 50-B-OS: Coordinated lightning current arrester type 1+2 EN 61643-11.
1 x MCD 125-B/NPE: Coordinated N-PE spark gap type 1+2 EN 61643-11 for use in TN-S and TT systems.
Interface 0 to 2 (LPZ) in accordance with the lightning protection zone concept according to IEC 62305 or VDE 0185-305.
. Lightning protection equipotential bonding according to VDE 0185-305 (IEC 62305)
. Lightning current discharge capacity 50 kA (10/350) per pole and up to 125 kA (10/350) total
. Protection level <1.7 kV, enables device protection
. Short-circuit strength 10 kA, arrester backup fuse up to 500 A gL/gG
. Power consumption <26 mW/pole
. Encapsulated, non-blow-out spark gap.
Application: Industrial plants and buildings with external lightning protection of classes I to IV.