MCD 50-B ( Chống xung sét (10/350us), xung lan truyền ( xung 8/20 ) Trên đường nguồn

Combination arrestor, lightning current arrestor, type 1+2, for use in TN and TT networks

• Lightning protection equipotential bonding to VDE 0185-305 (IEC 62305)
• Lightning current arresting capacity to 50 kA (10/350) per pole and up to 150 kA (10/350) in total
• Protection level • Short-circuit resistance 10 kA, arrestor backup fuse to 500 A gL/gG
• Suitable for use in pre-meter area according to the VDEW directive
• Encapsulated, non-extinguishing spark gaps

Application: Industrial systems and buildings with external lightning protection of Classes I to IV.
https://obo-bettermann.com/article/display/en-wo/combination-arrestor-1-pole-3.html