This lot includes three Bussmann Fusetron FRS-R 6¼ dual-element, time-delay RK5 fuses. These fuses are designed for electrical equipment and supplies, specifically for interior use in any room. With a voltage rating of 551-600V and a current-limiting fuse classification, these fuses are ideal for protecting electrical circuits from overcurrent situations. Made in the United States with a copper finish, these time-delay fuses provide a reliable and safe solution for securing electrical connections in various industrial applications.