The Mersen 5.5kV 2400V/4800V 50/60Hz 3R S203428 Amp-Trap Fuse A480R3R-1HE is an electrical fuse designed for high-voltage applications. Made by MERSEN FERRAZ SHAWMUT, this fuse has a maximum amperage of 100A and a voltage rating of 4800V. With dimensions of 3 inches in height and 17 inches in length, this model is suitable for use in industrial and commercial settings where precise electrical protection is crucial.