The Bussmann FNA-1-1/2 Time Delay Fuse is a cartridge-type electrical fuse designed for AC current. It comes in a pack of 10 pieces per box and is suitable for interior use. The fuse has a green color, a compact height of 2 inches, and is compatible with universal smart home systems. Made of fiberglass/glass-reinforced plastic (GRP), this time delay fuse is ideal for various electrical equipment and industrial applications. With its reliable brand reputation and specific model number, the Bussmann FNA-1-1/2 fuse offers a high-quality solution for protecting electrical circuits.