Littelfuse® POWR-PRO® Fast Acting Fuse, Current Limiting, Series: LDC, Indicating/Non-Indicating: Non-Indicating, 1200 A, 600 VAC/VDC, 50/200 kA Interrupt, Class: L, 10 sec at 500% Response, Knife Blade Terminal, Bolt Mount, Cartridge Body, Melamine, 2-1/2 in Dia x 10-3/4 in L Body Size