Fuse 50 A 600V AC 300V DC Class RK5 TRS-R Series Nonindicating Time Delay Body Style Cylindrical Fits Fuse Block Style Rejection Interrupt Rating 200kA at 600V AC 20kA at 300V DC Fuse Size 5-1/2 in L x 1-1/16 in dia Length 5 1/2 in Diameter 1 1/16 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 2HKRFB 6HKRFB Body Material Polyester Dual Element Standards CSA UL