The product is a lot of 3 Bussmann FRN-R-90 Fusetron dual element time-delay current limiting Class A fuses. These fuses are suitable for both interior and exterior use, have a voltage range of 201-250V AC, and offer thermal overload protection. The fuses have a maximum amperage of 250A and a tripping characteristic of Type A. They are designed with a blade fuse body type and D-type cartridge fuse type, featuring a copper finish and fiberglass/glass-reinforced plastic construction. Ideal for industrial applications, these fuses provide overcurrent protection and come with a clip-on/snap-in mounting style.