NPE spark gap Combination arrester, lightning current and surge arrester, type 1+2                              • For lightning protection equipotential bonding to VDE 0185-305 (IEC 62305) • Lightning current arresting capacity 12.5 kA (10/350) per pole and up to 50 kA (10/350) in total • Arrester, plug-in, with dynamic cut-off unit and visual function display • High-performance varistor technology   Application: Residential buildings with external lightning protection of Class III and IV. Brand: OBO BETTERMANN Type: C50-0-255 Item no.: 5095609 Unit: