Fuse switch disconnector LT NH1 250A for mounting plate, screw connection M10. NH1 fuse switch disconnector for mounting plate according to DIN EN 60947-3 (VDE 0660-107) and suitable for NH fuse links according to DIN 43620/1. Consisting of a 3-pole switch base and sealable handle insert, touch protection on the handle, with sliding transparent window for voltage testing, all-pole switching, for mounting on a mounting plate, outlet at the top or bottom, without additional cover.