The Lot of 4 Gould Shawmut Ferraz Trionic TR10R Fuses are cartridge-style electrical fuses with a maximum amperage of 250A. These white fuses are suitable for interior use and are designed for slow-blow, time-delay tripping characteristics. With a voltage rating of 201-250V and a current rating of 1-15A, these fuses are ideal for various rooms in a building. This pack includes 6-10 fuses, each with a Type D tripping characteristic, making them a reliable choice for electrical equipment and supplies in a business or industrial setting.