The BEL FUSE 5ET6.3-R is a miniature slow blow acting fuse with a rating of 6.3A and 250V. It features a 5 X 20mm glass cartridge holder and is certified by CCC, CE, CSA, PSE, SEMKO, VDE, and cULus for quality and safety assurance. This fuse is ideal for various electronic and electrical applications requiring reliable overcurrent protection.