An interconnection device for providing an electrical connection between a motor and an inverter is disclosed. The interconnection device comprises a base member having a first receiving aperture arranged relative to a second receiving aperture, and a mounting interface that provides for direct coupling of the base member to the motor. A substrate is coupled to the base member and comprises a first connector assembly, a second connector assembly, and integrated electronic circuitry arranged thereon. The first connector assembly is coaxially aligned with the first receiving aperture of the base member and arranged to receive a plurality of motor pin connections. The second connector assembly comprises a plurality of connection elements arranged to transmit and receive power and signal connections for powering and controlling the motor.