Littelfuse® POWR-GARD® Time Delay Fuse, Current Limiting, Series: IDSR, Indicating, Rejection, 3-1/2 A, 600 VAC/VDC, 200/20 kA Interrupt, Class: RK5, 10 s Response, Ferrule Terminal, Holder Mount, Cylindrical Body Type, Dual Element, Composite, 13/16 in Dia x 5 in L Body Size