Fuse, 125 A, 250V AC, 250V DC, Class RK1, LPN-RK-SP Series, Nonindicating, Time Delay, Body Style Blade, Rejection, Interrupt Rating 100kA at 250V DC, 300kA at 250V AC, Fuse Size 7-1/8 in L x 1-9/16 in dia, Length 7 1/8 in, Diameter 1 9/16 in, Equivalent Brand and Series Bussmann LPN-RK-SP, Littelfuse LLNRK, Mersen A2D-R, Equivalent Series A2D-R, LLNRK, LPN-RK-SP, Compatible Fuse Block Series HM600, R250, Body Material Melamine, Dual Element