Combination arrestor set, 4-pole, with visual function display, for use in TN-S and TT networks: Completely pre-terminated and ready for connection, consisting of: MCD 50-B-OS: Coordinated lightning current arrestor, Type 1 (Class B) to EN 61643-11. For interface 0 to 2 (LPZ) according to lightning protection zone concept to IEC 61312-1 and DIN VDE 0185-305. MCD 125-B/NPE: Coordinated N-PE spark gap, Type 1 (Class B) to EN 61643-11 for use in TN-S and TT systems. For interface 0 to 1 in accordance with lighting protection zone concept to IEC 61312-1 and/or DIN VDE 0185-305. • Arresting capacity 50 kA 10/350 µs per pole • Power consumption • Protection level • Line follow current quenching 25 kA Ipeak • lncl. plug caps for identifying the connections • Encapsulated, non-extinguishing spark gap • Can be used in standard distributor housings. Application example: Compact surge protection concepts and installations of requirement class B+C arrestors in a distributor without decoupling inductances and/or line lengths, e.g. direct on mobile radio system

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