MIDI® 498 Series Bolt-Down Fuse Holders Littelfuse MIDI® 498 Series Bolt-Down Fuse Holders offer a 58VDC voltage rating, 150A continuous current, and UL 94 ignition protection. These fuse holders can be used as a single automotive fuse holder or combined with other fuse holders to create a multi-fuse block. Available in a wide variety of configurations, the MIDI 498 holders are compatible with MIDI bold-down fuses up to 200A, and the high-amp fuse holder comes with a protective thermoplastic cover that can be tethered to the base. Littelfuse MIDI 498 Series Bolt-Down Fuse Holders feature a plastic cover that is available with openings in different locations to accommodate cables from different directions.