The Lot of 6 Bussmann Fusetron FRN-R-5 Dual Element Class RK5 Fuses are cartridge-type high rupturing capacity fuses suitable for interior use. These fuses offer thermal overload protection, snap-in mounting style, and are designed for AC current type with a voltage range of 201-250V. With a maximum amperage of 250A and a current rating of 1-15A, these fuses provide overload protection and are compatible with any room for use. Made of copper with a finish of copper, these fuses are manufactured in the United States by Bussmann.