Tested combination arrester type 1+type 2+type 3 according to DIN EN 61643-11 for TN-S systems (4+0 circuit) including overcurrent-protected 230 V power supply (N and L) including replacement fuse for RfZ / APZ in accordance with VDE-AR-N 4100, can be installed completely without tools using Click+Power connection technology for the 40 mm busbar system and push-in earthing terminal, for use in the main power supply system according to DIN VDE 0100-443 in buildings (also with overhead line feed, without external lightning protection system). A suitable cover clip according to DIN VDE 0603-1 for every commercially available meter panel, plus 2 x socket and 2 x plug (without connection cables) for wiring the intelligent measuring system according to VDE-AR 4100 is included in the scope of delivery.