The Bussmann Fusetron Duel-Element Rk5 Fuses FRN-R-70 are electrical fuses designed for industrial and commercial applications. With a maximum amperage of 250A and a voltage range of 201-250V, these fuses are made of high-quality copper material and have a copper finish for added durability and reliability. The Duel-Element design provides improved protection against short circuits and overloads, making them an essential component for electrical equipment and machinery in various industries.