LittelfuseĀ® POWR-GARDĀ® Time Delay Fuse, Current Limiting, Series: JTD, Indicating/Non-Indicating: Indicating, 300 A, 600 VAC/500 VDC, 200/20 kA Interrupt, Class: J Series, Knife Blade Terminal, Bolt-On Mount, Cartridge Body, Dual Element, Melamine, 2 in Dia x 7-1/8 in L Body Size