A motor comprising: a stator; and a rotor configured to rotate with respect to the stator, wherein the stator includes: a stator core that defines a back yoke; teeth that extend radially from the back yoke; coils configured to respectively round the teeth, wherein first ends of the coils are respectively drawn out of the teeth to define 3-phase power lead wires of the coils and second ends of the coils are respectively drawn out of the teeth to define neutral-point lead wires of the coils; and an insulator module configured to be coupled to a top face of the stator core, wherein the insulator module includes: a terminal unit (110, 130) including power terminal units that connect to the 3-phase power lead wires; a neutral terminal unit that connects to a neutral point of the coils; and an insulator body configured to provide insulation between the power and neutral terminal units and the stator core, and between the power terminal units and the neutral terminal unit, characterized in that the insulator body includes: a lower insulator body that is located on a top face of the stator core and configured to provide insulation between the stator core and the neutral terminal unit; and an upper insulator body that is located on a top face of the lower insulator body and configured to provide insulation between the neutral terminal unit and the power terminal units, wherein the lower insulator body includes a first face that contacts the top face of the stator core, and a second face that has a receiving groove configured to receive the neutral terminal unit therein, and wherein the upper insulator body includes a third face that contacts the second face and that has a receiving groove configured to receive the neutral terminal unit therein, and a fourth face that has a receiving groove configured to receive the power terminal units therein. a stator; and a rotor configured to rotate with respect to the stator, wherein the stator includes: a stator core that defines a back yoke; teeth that extend radially from the back yoke; coils configured to respectively round the teeth, wherein first ends of the coils are respectively drawn out of the teeth to define 3-phase power lead wires of the coils and second ends of the coils are respectively drawn out of the teeth to define neutral-point lead wires of the coils; and an insulator module configured to be coupled to a top face of the stator core, a stator core that defines a back yoke; teeth that extend radially from the back yoke; coils configured to respectively round the teeth, wherein first ends of the coils are respectively drawn out of the teeth to define 3-phase power lead wires of the coils and second ends of the coils are respectively drawn out of the teeth to define neutral-point lead wires of the coils; and an insulator module configured to be coupled to a top face of the stator core, wherein the insulator module includes: a terminal unit (110, 130) including power terminal units that connect to the 3-phase power lead wires; a neutral terminal unit that connects to a neutral point of the coils; and an insulator body configured to provide insulation between the power and neutral terminal units and the stator core, and between the power terminal units and the neutral terminal unit, a terminal unit (110, 130) including power terminal units that connect to the 3-phase power lead wires; a neutral terminal unit that connects to a neutral point of the coils; and an insulator body configured to provide insulation between the power and neutral terminal units and the stator core, and between the power terminal units and the neutral terminal unit, characterized in that the insulator body includes: a lower insulator body that is located on a top face of the stator core and configured to provide insulation between the stator core and the neutral terminal unit; and an upper insulator body that is located on a top face of the lower insulator body and configured to provide insulation between the neutral terminal unit and the power terminal units, a lower insulator body that is located on a top face of the stator core and configured to provide insulation between the stator core and the neutral terminal unit; and an upper insulator body that is located on a top face of the lower insulator body and configured to provide insulation between the neutral terminal unit and the power terminal units, wherein the lower insulator body includes a first face that contacts the top face of the stator core, and a second face that has a receiving groove configured to receive the neutral terminal unit therein, and wherein the upper insulator body includes a third face that contacts the second face and that has a receiving groove configured to receive the neutral terminal unit therein, and a fourth face that has a receiving groove configured to receive the power terminal units therein.