Fuse 100 A 600V AC 300V DC Class RK5 FRS-R Series Nonindicating Time Delay Body Style Blade Fits Fuse Block Style Rejection Interrupt Rating 200kA at 600V AC 20kA at 300V DC Fuse Size 7-7/8 in L x 1-1/8 in dia Length 7 7/8 in Diameter 1 1/8 in Equivalent Brand and Series Bussmann FRS-R Edison ECSR Littelfuse FLSR Mersen TRS-R Equivalent Series ECSR FLSR FRS-R TRS-R Compatible Fuse Block Series 1BR R600 Body Material Fiberglass Dual Element