<p>A busbar unit formed by insert-molding a plurality of busbars, said busbars being arranged in parallel in the axial direction of a stator. Each busbar is provided with the following: a main body that extends in the circumferential direction of the stator; an insertion hole formed in said main body, wherein a supporting pin that supports the main body of another busbar during insert-molding is inserted through said insertion hole in the axial direction of the stator; and protrusions that are provided on the sides of the main body at positions corresponding to the insertion hole and increase the cross-sectional area of the main body.</p>
