An electronic module comprising: a circuit board defining a longitudinal axis and having a first surface and a second surface; a plurality of power switches mounted on the circuit board and configured as an inverter circuit to supply electric power from a power supply to an electric motor; a sliding member coupled to an actuator, the actuator causing movement of the sliding member in a direction substantially perpendicular to the longitudinal axis of the circuit board; characterised by a first conductive body mounted on the first surface of the circuit board, the first conductive body including a terminal tab coupled to a positive node of the power supply and a first pin received through a first through-hole of the circuit board to make electrical contact with a first conductive track on the second surface of the circuit board; a second conductive body mounted on the first surface of the circuit board, the second conductive body including a second pin received through a second through-hole of the circuit board to make electrical contact with a second conductive track (on the second surface of the circuit board; a contact switch pivotably secured to the first conductive body and pivotably moveable by the sliding member to make contact with the second conductive body with movement of the actuator; and a flyback diode mounted on the second surface of the circuit board and electrically connected between the first conductive track and the second conductive track, the flyback diode being electrically parallel to a current path formed between the first and second conductive bodies via the contact switch. a circuit board defining a longitudinal axis and having a first surface and a second surface; a plurality of power switches mounted on the circuit board and configured as an inverter circuit to supply electric power from a power supply to an electric motor; a sliding member coupled to an actuator, the actuator causing movement of the sliding member in a direction substantially perpendicular to the longitudinal axis of the circuit board; characterised by a first conductive body mounted on the first surface of the circuit board, the first conductive body including a terminal tab coupled to a positive node of the power supply and a first pin received through a first through-hole of the circuit board to make electrical contact with a first conductive track on the second surface of the circuit board; a second conductive body mounted on the first surface of the circuit board, the second conductive body including a second pin received through a second through-hole of the circuit board to make electrical contact with a second conductive track (on the second surface of the circuit board; a contact switch pivotably secured to the first conductive body and pivotably moveable by the sliding member to make contact with the second conductive body with movement of the actuator; and a flyback diode mounted on the second surface of the circuit board and electrically connected between the first conductive track and the second conductive track, the flyback diode being electrically parallel to a current path formed between the first and second conductive bodies via the contact switch.