The Lot of 5 Bussmann Fusetron FRN-R-25 Dual Element Class RK5 Fuse is a high-quality electrical fuse suitable for interior use in commercial applications. These cartridge fuses have a current rating of 16-30 A and are designed with a time-delay/slow-blow operation method for enhanced protection. With a voltage range of 201-250 V and a smart home compatibility of universal, these fuses offer reliable current-limiting functionality in a horizontal/vertical orientation. Made with a copper finish, these fuses come in a pack of 2-5 units, providing a consistent and dependable solution for electrical equipment and supplies.