Combined arrester for installation on 40 mm busbar system in the mains-side connection compartment pre-meter area, 12.5 kA TT/TNS system 3-pole + N, Resi9 iPRF type 1 and type 2 according to EN 61643-11:2012, lightning current carrying capacity according to DIN0100-443, leakage current free, snap-on technology for quick and tool-free installation, mechanical tripping indicator on the front
