An electronically commutated electric motor comprising a stator with a stator body and a single stator coil , a permanent magnet rotor rotatable relative to the stator about an axis of rotation (A) thereby generating an revolving excitation field, the permanent magnet rotor comprising two magnetic rotor poles (N,S) separated by a rotor pole-separation line (PS) and a magnetic poles centerline (C) which is substantially perpendicular to the rotor pole-separation line (PS), characterized in that a static starting-operation magnetic field sensor and a static nominal-operation magnetic field sensor both being arranged spaced to each other in that way that the nominal-operation magnetic field sensor is positioned before a magnetic rotor rest position (P), which is defined by the projection of the magnetic poles centerline (C) onto the stator body in a zero-cogging-torque rotor position of the permanent magnet rotor , and the starting-operation magnetic field sensor is positioned after the same magnetic rotor rest position (P), the magnetic field sensors locally detecting the revolving excitation field and generating corresponding trigger signals (TSO,TNO), a motor control unit energizing the stator coil for driving the motor rotor , the motor control unit being triggered by a trigger signal (TSO,TNO) provided by one of the magnetic field sensors to generate a revolving stator field, and a switch unit with an analog operation mode control element , the switch unit being electrically connected with the two magnetic field sensors and with the motor control unit , wherein the switch unit provides either the trigger signal (TSO) of the starting-operation magnetic field sensor or the trigger signal (TNO) of the nominal-operation magnetic field sensor to the motor control unit , and wherein the switching state (SSO,SNO) of the switch unit is controlled by the analog operation mode control element . a stator with a stator body and a single stator coil , a permanent magnet rotor rotatable relative to the stator about an axis of rotation (A) thereby generating an revolving excitation field, the permanent magnet rotor comprising two magnetic rotor poles (N,S) separated by a rotor pole-separation line (PS) and a magnetic poles centerline (C) which is substantially perpendicular to the rotor pole-separation line (PS), characterized in that a static starting-operation magnetic field sensor and a static nominal-operation magnetic field sensor both being arranged spaced to each other in that way that the nominal-operation magnetic field sensor is positioned before a magnetic rotor rest position (P), which is defined by the projection of the magnetic poles centerline (C) onto the stator body in a zero-cogging-torque rotor position of the permanent magnet rotor , and the starting-operation magnetic field sensor is positioned after the same magnetic rotor rest position (P), the magnetic field sensors locally detecting the revolving excitation field and generating corresponding trigger signals (TSO,TNO), a motor control unit energizing the stator coil for driving the motor rotor , the motor control unit being triggered by a trigger signal (TSO,TNO) provided by one of the magnetic field sensors to generate a revolving stator field, and a switch unit with an analog operation mode control element , the switch unit being electrically connected with the two magnetic field sensors and with the motor control unit , wherein the switch unit provides either the trigger signal (TSO) of the starting-operation magnetic field sensor or the trigger signal (TNO) of the nominal-operation magnetic field sensor to the motor control unit , and wherein the switching state (SSO,SNO) of the switch unit is controlled by the analog operation mode control element . <EOS>