Fuse 50 A 600V AC 300V DC Class RK1 LPS-RK-SP Series Nonindicating Time Delay Body Style Cylindrical Rejection Interrupt Rating 100kA at 300V DC 300kA at 600V AC 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 LPS-RK-SP Littelfuse LLSRK Mersen A6D-R Equivalent Series A6D-R LLSRK LPS-RK-SP Compatible Fuse Block Series 1BR R600 Body Material Melamine Dual Element