A motor-driven compressor comprising: a metal housing; a hermetically sealed terminal fixed to the housing and connected to a motor drive circuit; a compression unit for compressing refrigerant housed in the housing; an electric motor configured to rotationally drive the compression unit housed in the housing; and an input terminal connected to the hermetically sealed terminal and configured to connect the motor drive circuit to the electric motor, wherein the electric motor includes a cylindrical stator having a cylindrical stator core that is formed with a plurality of slots (23U, 23V, 23W) separated by teeth, wherein the cylindrical stator has polyphase coils that are formed by a plurality of conductive wires (30U, 30V, 30W) wound in the slots (23U, 23V, 23W) to have polyphase, wherein each conductive wire (30U, 30V, 30W) includes a core wire and an insulator that covers the core wire, a wire bundle formed by one end of each conductive wire (30U, 30V, 30W) that is drawn out from the polyphase coils and bound together, and an extension formed by the other end of each conductive wire (30U, 30V, 30W) that is drawn out from the polyphase coils, the extension being connected to the input terminal, wherein the wire bundle has a drawing portion that draws out the conductive wires from the polyphase coils and a connecting portion where the core wires of the conductive wires are connected at the ends of the conductive wires together, wherein the connecting portion of the wire bundle provides a neutral point of the electric motor, wherein the cylindrical stator has an insulating tube (38, 43) covering the wire bundle, wherein the wire bundle also has an elongated portion that is elongated between the drawing portion and the connecting portion, wherein the elongated portion and the connecting portion of the wire bundle are covered with the insulating tube (38, 43) and form a covered bundle portion, wherein the wire bundle is formed in an arcuate shape following ends of the polyphase coils in the same direction as the extension and having a predetermined length so that the covered bundle portion is placed along the extension, wherein the covered bundle portion is fixed to the extension. a metal housing; a hermetically sealed terminal fixed to the housing and connected to a motor drive circuit; a compression unit for compressing refrigerant housed in the housing; an electric motor configured to rotationally drive the compression unit housed in the housing; and an input terminal connected to the hermetically sealed terminal and configured to connect the motor drive circuit to the electric motor, wherein the electric motor includes a cylindrical stator having a cylindrical stator core that is formed with a plurality of slots (23U, 23V, 23W) separated by teeth, wherein the cylindrical stator has polyphase coils that are formed by a plurality of conductive wires (30U, 30V, 30W) wound in the slots (23U, 23V, 23W) to have polyphase, wherein each conductive wire (30U, 30V, 30W) includes a core wire and an insulator that covers the core wire, a wire bundle formed by one end of each conductive wire (30U, 30V, 30W) that is drawn out from the polyphase coils and bound together, and an extension formed by the other end of each conductive wire (30U, 30V, 30W) that is drawn out from the polyphase coils, the extension being connected to the input terminal, polyphase coils that are formed by a plurality of conductive wires (30U, 30V, 30W) wound in the slots (23U, 23V, 23W) to have polyphase, wherein each conductive wire (30U, 30V, 30W) includes a core wire and an insulator that covers the core wire, a wire bundle formed by one end of each conductive wire (30U, 30V, 30W) that is drawn out from the polyphase coils and bound together, and an extension formed by the other end of each conductive wire (30U, 30V, 30W) that is drawn out from the polyphase coils, the extension being connected to the input terminal, wherein the wire bundle has a drawing portion that draws out the conductive wires from the polyphase coils and a connecting portion where the core wires of the conductive wires are connected at the ends of the conductive wires together, wherein the connecting portion of the wire bundle provides a neutral point of the electric motor, wherein the cylindrical stator has an insulating tube (38, 43) covering the wire bundle, wherein the wire bundle also has an elongated portion that is elongated between the drawing portion and the connecting portion, wherein the elongated portion and the connecting portion of the wire bundle are covered with the insulating tube (38, 43) and form a covered bundle portion, wherein the wire bundle is formed in an arcuate shape following ends of the polyphase coils in the same direction as the extension and having a predetermined length so that the covered bundle portion is placed along the extension, wherein the covered bundle portion is fixed to the extension.