The MULTIBLOC 00.ST9 product range includes NH fuse switch disconnectors for NH fuse links in accordance with IEC/EN 60 269-2, VDE 0636-2, sizes 00 to 160A. The products are available as a 3-pole design. MULTIBLOC NH fuse switch disconnectors of different sizes can be brought to the same level with suitable covers, which enables a common, flat central cover. The system is a modular system in which the various products can be optimally combined. MULTIBLOC enables the user to install quickly and easily as well as ensure high levels of safety during installation and maintenance. This adapter is used for fastening to DIN mounting rails in accordance with DIN EN 60 715-125mm for 00ST9 3-pole.