Fuse 4 A 250V AC 125V DC Class RK5 FLNR Series Nonindicating Time Delay Body Style Cylindrical Fits Fuse Block Style Rejection Interrupt Rating 200kA at 250V AC 20kA at 125V DC Fuse Size 2 in L x 9/16 in dia Length 2 in Diameter 9/16 in Equivalent Brand and Series Bussmann FRN-R Edison ECNR Littelfuse FLNR Mersen TR-R Equivalent Series ECNR FLNR FRN-R TR-R Compatible Fuse Block Series LFR Body Material Fiberglass Dual Element