563-526 is a 5A glass cartridge, 5x20mm, fast blow fuse from RS PRO. Digi-Key does not currently offer this part from RS PRO, but we do have an alternative for that fuse.
F2395-ND is a possible alternative from Littelfuse. Please refer to data sheet and specifications to determine if this part will work for your application.
Link to product on Digi-Key’s site: