LittelfuseĀ® POWR-GARDĀ® Fast Acting Fuse, High Speed, Series: JLS, Indicating/Non-Indicating: Non-Indicating, 300 A, 600 VAC, 200 kA Interrupt, Class: J Series, 50/60 Hz, Knife Blade Terminal, Bolt-On Mount, Cartridge Body, 1 Element, 2 in Dia x 7-1/8 in L Body Size