Fuse 400 A 250V AC 250V DC Class RK5 TR-R Series Nonindicating Time Delay Body Style Blade Fits Fuse Block Style Rejection Interrupt Rating 200kA at 250V AC 20kA at 250V DC Fuse Size 8-5/8 in L x 2-1/16 in dia Length 8 5/8 in Diameter 2 1/16 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 2HKRFB Body Material Polyester Dual Element Standards CSA UL