Midi Double Fuse Holder. Stackable. High Current. 80 amp. The Double MIDI fuse holder is used with the MIDI® style bolt-in fuses, which are rated up to 80 A. This holder offers a flexible cover, allows lug terminals up to 16 mm sq. Slots on the base allow holder to be mounted with ease. The two circuit Midi fuse holder is liked with a bus bar which can be removed. This bus bar allows one power supply and two circuit out puts.