Fuses, vehicle circuit for electric vehicle and electric vehicle

A fuse, having a longitudinal direction and a transverse direction, the fuse comprising:

• a bushing having a through-hole cavity extending in the longitudinal direction;
• a fuse body accommodated in the through-hole cavity and having a plurality of openings spaced apart from each other in the transverse direction;
• an arc extinguishing medium layer on the fuse body and having a side edge that contacts edges of any two adjacent openings of the plurality of openings so as to cause the arc extinguishing medium layer to be close to a minimum transverse spacing between the two opening edges;
• first and second conductive plates positioned in the through-hole cavity at opposite ends of the bushing and joined to respective opposite ends of the fuse body;
• first and second contact blades passing through respective ones of the first and second conductive plates and joined to the opposite ends of the fuse body;
• first and second cover plates on respective ones of the first and second conductive plates and secured to respective ones of the opposite ends of the bushing by respective screws, wherein the first and second contact blades pass through respective ones of the first and second cover plates;
• and
• a quartz sand in a space defined by the bushing and the first and second conductive plates.