The Edison HRCI-R Type D Class RK1 4.5A Fuse by Reliance Electric is a high-quality electrical fuse designed for industrial use. With a maximum amperage of 100A and a voltage rating of 551-600V, this fuse is suitable for various electrical applications. Made in the United States, this single-pole fuse is reliable and efficient, providing a safe and secure connection for electrical circuits. Ideal for business and industrial settings, this fuse ensures the safety and proper functioning of electrical equipment and machinery.