Signaling switch for signaling the lid position for MULTIBLOC 000.ST8. The MULTIBLOC 000.ST8 product range includes NH fuse switch-disconnectors for NH fuse-links according to IEC / EN 60 269-2, VDE 0636-2, sizes 00 to 100A. The products are available in a construction variant and in a 3-pole version. MULTIBLOC NH fuse switch-disconnectors of different sizes can be brought to one 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 allow the user a quick and easy installation option as well as a high level of safety during installation and maintenance. It is suitable for use in house junction boxes, meter distributors, measurement transformer cabinets and telecommunications transmission stations.