FX0454 Fuseholder, Panel Mount, 250V, 10A, 5 x 20mm, Series/Solder Tags. The FX0454 is a 16A/250V panel mount Cartridge Fuse Holder with polyester body, nylon cap, glass filled nylon nut, brass/silver-plated contacts, solder lug termination, key-way fixing style and screw cap/screwdriver release fuse carrier. This fuse holder features protection category PC2 with integral protection against electric shock