The  A30QS400-4 Fuse is a high-speed, bolt-in fuse designed for electrical equipment and supplies. Manufactured by Ferraz Shawmut, this A30QS series fuse has a rating of 300VAC/DC and is suitable for a variety of industrial applications. Its form 101 design ensures reliable performance and protection against overloads and short circuits. Ideal for use in a range of electrical systems, this fuse offers a dependable solution for ensuring safety and reliability in industrial settings.