This is a NFC fuse cartridge for TeSys GS switch-disconnector fuses devices. It is an aM fuse-link that protects against magnetic overcurrents only, adapted for motor protection. Its current rating is 100 A, and the maximum rated voltage is 500 VAC. It is a cylindrical fuse (NFC type); the dimensions are 22mm x 58mm. It has no striker to indicate when the fuse is blown. This fuse is sold as a set of 10 parts.