'Fuse, 50A Fuse Amps, Indicating, A6D-R Series, 600VAC/DC Fuse Voltage Rating, Time Delay, RK1 Class, Dual Element, Body Material Polyester, Body Style Cylindrical, Rejection, Fuse Interrupt Rating 200kA at 600VAC, 100kA at 600VDC, Length 5-1/2 In., Diameter 1-1/16 In., Functionally Equal To Bussmann LPS-RK-SPI, Littelfuse LLSRK-ID, Standards UL 248-12 File E2137, DC UL 248, CSA C22.2 No. 248.12'
