A motor includes a bus bar holder with a main body portion, a connector portion protruding from the main body portion toward a radially outer side, and a connection terminal holding portion protruding from the main body inner surface toward a radially inner side. The main body portion is provided with a seal portion directly or indirectly contacting the cover along a circumferential direction of a center axis. A rib protruding toward a second side ahead of a circuit board is disposed at a surface of a second side of the connection terminal holding portion.