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