The FX0385/BK from Bulgin Limited is a 10A, 50V (250V where inaccessible inside equipment) cartridge in-line black color fuse holder with polybutene and nylon body, brass and nickel plated contacts, stainless steel grub screw, PVC grommets, nitrile O-ring and screw holder terminals. This fuse holder features sealed to IP66, protection category PC1. For use with 5mm x 20mm fuses.