Littelfuse POWR-GARD Time Delay Fuse, Current Limiting, Series: FLSR, Indicating, Rejection, 40 A, 600 V AC/300 V DC, 200/20 kA Interrupt, Class: RK5, 50/60 Hz Frequency, 10 s Response, Ferrule Terminal, Holder Mounting, Cylindrical Body, Dual Element, Composite, 1-1/16 in Dia x 5-1/2 in L Body