Littelfuse® POWR-GARD® Slo-Blo® Time Delay Fuse, Series: IDSR, Indicating/Non-Indicating: Indicating, Rejection/Non-Rejection: Rejection, 40 A, 600 VAC/VDC, 200/20 kA Interrupt, Class: RK5, Ferrule Terminal, Holder Mount, Cartridge Body, Dual Element, Composite, 1-1/16 in Dia x 5-1/2 in L Body Size