Bussmann Limitron Fuse, Fast Acting Low Voltage Supplemental, Series: KTK, Indicating/Non-Indicating: Non-Indicating, Rejection/Non-Rejection: Non-Rejection, 40 A, 600 VAC, 100000 A Interrupt, Class: Supplemental, Ferrule Terminal, Holder Mount, Cartridge Body Type, Single Element, Melamine, Black, 13/32 in Dia x 1-1/2 in L Body Size