The Lot of 10 Bussmann FNM-1 Dual Element Fuses are high-quality electrical fuses designed for use in industrial and commercial settings. These green fuses have a maximum amperage of 250A and are suitable for interior applications. With a time-delay/slow-blow operation method, these fuses provide reliable protection against overcurrent situations. The cartridge fuse body type and clamp terminal electrical connection make installation and maintenance easy. Manufactured by Bussmann, a trusted brand in electrical equipment and supplies, these fuses are Current-Limiting and designed for a single phase system.