DIAZED screw cap DII 25A AC DC 500V insulating material with test hole. NEOZED and DIAZED fuse systems with a wide range of accessories. The NEOZED and DIAZED fuse system from Siemens is an important component of the SENTRON protection devices for electrical installations, providing effective protection for people, devices, and systems through safe disconnection in the event of overload and short circuit. It is primarily used in distribution technology and industrial switchgear. The system is user-friendly and also approved for residential installations. The Siemens NEOZED and DIAZED fuse systems are characterized by: 1. A coordinated portfolio and accessories. 2. Fuse inserts ranging from 2 A to 100 A in various operating classes. 3. Base designs in classic screw base technology. 4. Proven quality since 1906. Siemens offers a comprehensive portfolio of protection, switching, measurement, and monitoring devices, installation distributors, as well as switches and sockets for a safe and efficient electrical infrastructure in buildings and industry.