Fuse, 40 A, 600V AC, Not Rated, Class J, JKS Series, Nonindicating, Fast Acting, Body Style Cylindrical, Nonrejection, Interrupt Rating 200kA at 600V AC, Fuse Size 2-3/8 in L x 1-1/16 in dia, Length 2 3/8 in, Width Not Applicable, Depth Not Applicable, Diameter 1 1/16 in, Equivalent Brand and Series Bussmann JKS, Littelfuse JLS, Mersen A4J, Equivalent Series A4J, JKS, JLS, Compatible Fuse Block Series CH30J, CH60J, J600, JM600, JM601, JM602, JM604, JM606, JP600, JT600, JTN600