The NH isolating knife is manufactured in the standard version. The current-carrying parts are made of silver-plated copper. The plastic parts for the stress-free grip tab are developed in accordance with VDE 0636/DIN 57635. The NH isolating knife can be used in NH fuse switch disconnectors, NH fuse switch disconnectors, NH fuse bases and NH fuse strips as a substitute for NH fuse inserts for switching and isolating.