Lightning current arrestor, 1-pole

MC 50-B VDE: Type 1 (Class B) lightning current arrestor in accordance with DIN EN 61643-11 for interface 0 to 1 (LPZ) to and/or in accordance with lighting protection concept to IEC 61312-1 and/or DIN V VDE V 0185-305 (IEC 62305)

• VDE test marks
• Conforms to VDN Directive 2nd Edition 2004
• Cover and base, plug-in cover
• Arresting capacity 50 kA (10/350 µs) per pole
• Protection level • Line following current quenching 25 kA Ipeak
• Incl. plug caps for identifying the connections
• Encapsulated, non-extinguishing spark gap: can be used in standard distributor housings

Application example: Industrial plants; lightning current arrestor in accordance with VDN Directive 2nd Edition 2004 for pre-meter area.
Note: Required as decoupling length for surge voltage protection of 5 m of cable.

Connection options


Nominal voltageUN230
SPD to EN 61643-11Type 1
SPD to IEC 61643-11class I
Lightning protection zone LPZ0→1
Impulse discharge current (10/350)Iimp50
Total discharge current (10/350)Itotal50
Nominal discharge current (8/20)In50
Arrestor surge current (8/20) [total]ITotal 8/2050
Voltage protection levelUp
Response timetA
Follow current quenching capacity (eff) [N-PE]Ifi25
Maximum back-up fuse500
Temperature rangeϑ-40-85
Division unit TE (17.5 mm)2
Protection ratingIP20
Connection cross-section rigid10-50
Connection cross-section, multi-wire10-35
Connection cross-section, flexible10-25