NEOZED adapter insert D01 4A fuse systems NEOZED and DIAZED with extensive accessories. The NEOZED and DIAZED fuse system from Siemens as an important component of the SENTRON protection components for electrical installations offers effective protection for people, equipment and systems by safely switching off in the event of overload and short circuit. It is mainly used in distribution technology and in industrial switchgear. The system can be operated by laypersons and is also approved for domestic installations. The Siemens fuse systems NEOZED and DIAZED are characterized above all by: 1. Coordinated portfolio and accessories. 2. Fuse inserts from 2 A to 100 A in various operating classes. 3. Base versions in classic screw base technology. 4. Proven quality since 1906.