This is a box of 3 time-delay fuses from Bussmann, with a maximum amperage of 5A and a voltage of 250V. These fuses are suitable for use in various electrical equipment and supplies, and are categorized under Fuses & Links, Fuses, Electrical Equipment & Supplies and Business & Industrial. They are made by the reputable brand Bussmann, and are a reliable choice for protecting your electrical system.