Electric Fuse, 450A, 4800VAC, 50000A (IR), Inline/holder
BUSSMANN JCL-24R Fuse, 450A, Class J, JCL, 4800VAC. More details: Fuse, 450 Fuse Amps, Nonindicating, JCL Series, 4800VAC Voltage Rating, Time Delay, J Class, Dual Element, Body Material Melamine, Nonrejection, Body Style Bolt-On, Interrupt Rating 80kA at 4800VAC, Length 15-3/4 In., Diameter 3 In., Functionally Equal To Ferraz Shawmut A480R, Standards UL