482 Series Fuseholders Littelfuse 482 Series Fuseholders are designed for use with 481 Alarm Indicating Fuses. These special application fuseholders are also designed to support other manufacturers' replacement fuses as well. The 482 fuseholders are available in three versions: PCB Mount - 15A, Panel Mount - 20A, and Panel Mount - 15A. These fuseholders are ideal for use in telecommunications and control panel circuits.