Fuse, 300 A, 600V AC, 500V DC, Class J, AJT Series, Indicating, Time Delay, Body Style Blade, Nonrejection, Interrupt Rating 100kA at 500V DC, 200kA at 600V AC, Fuse Size 7-1/8 in L x 2-1/8 in dia, Length 7 1/8 in, Width Not Applicable, Depth Not Applicable, Diameter 2 1/8 in, Equivalent Brand and Series Bussmann LPJ, Littelfuse JTD, Mersen AJT, Equivalent Series AJT, JTD, LPJ, Compatible Fuse Block Series JFB, SJ, US3J, US5J, Body Material Melamine, Dual Element, Standards UL/CSA