Fuse 3 1/2 A 600V AC 600V DC Class RK1 A6D-R Series Nonindicating Time Delay Body Style Cylindrical Rejection Interrupt Rating 100kA at 600V DC 200kA at 600V AC Fuse Size 5 in L x 13/16 in dia Length 5 in Diameter 13/16 in Equivalent Brand and Series Bussmann LPS-RK-SPI Littelfuse LLSRK-ID Mersen A6D-R Equivalent Series A6D-R LLSRK-ID LPS-RK-SPI Compatible Fuse Block Series 2HKRFB 6HKRFB Body Material Polyester Dual Element