Fuse 400 A 250V AC 250V DC Class RK1 LPN-RK-SPI Series Indicating Time Delay Body Style Blade Rejection Interrupt Rating 100kA at 250V DC 300kA at 250V AC Fuse Size 8-5/8 in L x 2-3/8 in dia Length 8 5/8 in Diameter 2 3/8 in Equivalent Brand and Series Bussmann LPN-RK-SPI Littelfuse LLNRK-ID Mersen A2D-R Equivalent Series A2D-R LLNRK-ID LPN-RK-SPI Compatible Fuse Block Series HM600 R250 Body Material Melamine Dual Element