Bussmann Fusetron™ Time Delay Fuse, Current Limiting, Series: FRS-R, Non-Indicating, Rejection, 300 A, 600 VAC/300 VDC, 200/20 kA Interrupt, Class: RK5, 10 sec Response, Knife Blade Terminal, Holder Mount, Cylindrical Body, Dual Element, Fiberglass, 2.34 in Dia x 11.63 in L Body Size