Fuse, 45 A, 250V AC, 125V DC, Class RK5, FRN-R-ID Series, Indicating, Time Delay, Body Style Cylindrical, Fits Fuse Block Style Rejection, Interrupt Rating 200kA at 250V AC, 20kA at 125V DC, Fuse Size 3 in L x 13/16 in dia, Length 3 in, Diameter 13/16 in, Equivalent Brand and Series Bussmann FRN-R-ID, Littelfuse FLNR-ID, Mersen TR-RID, Equivalent Series FLNR-ID, LRN-R-ID, TR-RID, Compatible Fuse Block Series HM600, R250, Body Material Fiberglass, Dual Element