Littelfuse JLLN-80 JLLN080, 80Amp 300V Cartridge Fuse Dimension: .81" H x .84" W x .81" D Cartridge 80Amp (80A) 300V Fast Blow Class T Blade Fuse This Littelfuse JLLN-80 (JLLN80) or JLLN080 could be used to substitute for Bussmman JJN-80 and Ferraz/Shamwut/Mersen A3T80