House connection box, KH1, series K12, 1x3NH2, standard version. House connection box according to DIN 43627 and DIN VDE 0660-505, protection class IP 54, housing made of glass fiber reinforced polyester. Sealable housing with cable entries, housing cover can be removed at a 15 degree position. An NH fuse base with contact protection cover is used as a built-in component.