Fuse, 300 A, 600V AC, 300V DC, Class RK1, LPS-RK-SP Series, Nonindicating, Time Delay, Body Style Blade, Rejection, Interrupt Rating 100kA at 300V DC, 300kA at 600V AC, Fuse Size 11-5/8 in L x 2-3/8 in dia, Length 11 5/8 in, Diameter 2 3/8 in, Equivalent Brand and Series Bussmann LPS-RK-SP, Littelfuse LLSRK, Mersen A6D-R, Equivalent Series A6D-R, LLSRK, LPS-RK-SP, Compatible Fuse Block Series 1BR, R600, Body Material Melamine, Dual Element