Electric Fuse, 450A, 2400VAC, 50000A (IR), Inline/holder
BUSSMANN JCK-A-24R Fuse, 450A, Class R-Rated, JCK, 2540VAC. More details: Fuse, 450 Fuse Amps, Indicating, JCK-A Series, 2540VAC Voltage Rating, Time Delay, R-Rated Class, Dual Element, Body Material Fiberglass, Nonrejection, Body Style Cylindrical with Westinghouse Ampguard Hookeye, Interrupt Rating 80kA (Asym.) 50kA (Sym.), Length 11-15/64 In., Diameter 3 In., Standards UL Recognized (Guide MSSS2, File E96676)