Fuse, 400 A, 600V AC, 300V DC, Class L, A4BY Series, Nonindicating, Time Delay, Body Style Blade, Nonrejection, Interrupt Rating 100kA at 300V DC, 200kA at 600V AC, Fuse Size 8-5/8 in L x 2 in dia, Length 8 5/8 in, Diameter 2 in, Equivalent Brand and Series Bussmann KLU, Bussmann KTU, Littelfuse KLLU, Littelfuse KLPC, Mersen/Ferraz Shawmut A4BY, Equivalent Series A4BY, KLLU, KLPC, KLU, KTU, Body Material Glass/Melamine, Dual Element, Standards CSA, UL