Fuse combination unit with maintained locking

A fused switch unit with a housing (2) in which a fuse plug (10, 70) is arranged such that it can pivot to and fro between a switched-off position and a switched-on position, with the fuse plug (10, 70) having a grip part (11, 71) and a retaining area (12, 72) for a fuse link (20) and being capable of being pushed into the fused switch unit (1) as far as an operating position, wherein both the fused switch unit (1, 1′) and/or associated components (2, 30) as well as the grip part (11, 71) of the fuse plug (10, 70) each have a through-opening (7, 15, 35, 75), which through-openings (7, 15, 35, 75) are positioned such that they essentially do not overlap when the fuse plug (10, 70) is in its operating position, and such that they are at least partially aligned with one another in order to hold an interlocking element (40) when the fuse plug (10, 70) is in a position in which it is partially withdrawn from its operating position in the fused switch unit (1).