Surge protection housing, industrial quality, 5-pole, 40mm busbar spacing, with CU rails, L1...L3: 12 x 5mm, PE/N: 12 x 5mm, with 10 busbar terminals for CU conductors 4-35mm², with hinged window 6 TE, with transparent cover, sealable, with lightning current and surge arrester type 1+2 according to EN 61643-11 for main power supply systems, network type TT/TNS, for use in buildings without external lightning protection, lightning current: (10/350) 7.5/30kA, highest continuous voltage: 255 V AC, max. permissible backup fuse: 160A gG, mounted ready for connection on busbar systemDimensions: 300 x 450 x 150mm