Combination arrestor, 3-pole + NPE

Combination arrester, type 1+2, 4-pole, for use in TT and TN-S networks.


Completely pre-terminated and ready for connection, consisting of: 3x MCD 50-B: Coordinated lightning current arrester, type 1+2 to EN 61643-11 and 1x MCD 125-B/NPE: Coordinated N-PE spark gap, type 1+2 to EN 61643-11. For interface 0 to 2 (LPZ) in accordance with lightning protection zone concept to IEC 61312-1 and/or VDE 0185-305. • Lightning protection equipotential bonding to VDE 0185-305 (IEC 62305) • Lightning current arresting capacity to 50 kA (10/350) per pole and up to 125 kA (10/350) in total • Protection level < 1.7 kV allows device protection • Short-circuit resistance 10 kA, arrester backup fuse to 500 A gL/gG • Suitable for use in pre-meter area according to VDE-AR-N 4100 • Encapsulated, non-extinguishing spark gaps Application: Industrial systems and buildings with external lightning protection of the classes I to IV.

Industrial cabling
  • Connecting and fastening elements
  • Conductor
  • Electrical installation and components

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