Bussmann FCF80RN is a low-voltage current-limiting fuse designed for protecting electrical circuits and equipment from short-circuit and overload conditions. It features a 600V AC rating with an 80A current rating and a 200kA interrupting capacity at 600V, housed in a compact, finger-safe CUBEFuse package measuring 3.01 in x 2.125 in x 1 in and weighing 0.284 lb. This fast-acting, Class CF fuse is engineered for reliable performance in demanding industrial applications including motor protection, feeder circuits, and panelboards.