The production programme of MULTIBLOC series 1.ST8 comprises NH fuse switch disconnectors for 250A. They are designed for bottom fitting/panel installation and are available in single pole, double pole, tiple pole and quadruple pole units. For installation of MULTIBLOC NH fuse switch disconnectors in distribution units with central cover, respective covers are used to obtain a uniform profile in height and length. MULTIBLOC size 1 are designed for NH fuse-links in accordance with IEC/EN 60269-2, VDE 0636-2, size 1, 250A. MULTIBLOC offers the user the possibility of fast and easy installation as well as a high degree of security during installation and maintenance. It is suitable for use in house junction boxes, meter distributors, measurement transformer cabinets and telecommunications transmission stations. This NH fuse switch disconnector contains an already installed electronic fuse monitoring with galvanic isolation MZS.