WAGO TOPJOB® S fuse terminal blocks protect electrical circuits against short circuits and ensure fail-safe system operation. These fuse terminal blocks are designed for miniature metric fuses or blade-style fuses. Your benefits include: Terminal blocks can be assembled into strips, Simple and safe replacement of fuses, Optional LED indicator quickly identifies blown fuses and Fuse terminal blocks can be created with little assembly and wiring effort via carrier terminal blocks and fuse plugs.