This is a DIN fuse cartridge for TeSys GS switch-disconnector fuses devices. It is a gG fuse-link that protects against thermal overloads and magnetic over currents, used in standard applications. Its current rating is 100 A and the maximum rated voltage is 690 VAC. It is a blade size 00 DIN cartridge fuse. It has no striker to indicate when the fuse is blown. This fuse is sold by set of 3 parts.