A HV divider for stepping down an input high voltage (V IN) in HV systems, wherein at the divider input terminal (T IN) is applied the input high voltage (V IN) and wherein, at the divider output terminal set (T OUT1, T OUT2), a set of output voltages (V OUT1, V OUT2) are provided; wherein said divider comprises a primary part and a secondary part electrically connected to each other so that the output of the primary part is the input of the secondary part; wherein the input terminal of the primary part is the divider input terminal (T IN) and the output the secondary part is the divider output set (T OUT1, T OUT2); wherein said primary part comprises a first assembly and a second assembly included within insulating means and having for input the same input terminal which is the divider input terminal (T IN); the first assembly being a first capacitor stack comprising a first high voltage capacitor (C 1H) and a middle voltage capacitor (C M); the second assembly comprising a second capacitor stack and a resistor stack electrically connected in parallel to each other; the second capacitor stack comprising a second high voltage capacitor (C 2H) and a low voltage capacitor (C L); the resistor stack comprising a high voltage resistor (R H) and a low voltage resistor (R L); wherein the output of the primary part is a set of intermediary terminals (T INT1, T INT2) comprising at least: - a first intermediate terminal (T INT1) connected to a point (P CC1) between the two capacitors (C 1H, C M) of the first capacitor stack; - a second intermediate terminal (T INT2) connected to a link connecting a point (P CC2) between the two capacitors (C 2H, C L) of the second capacitor stack and a point (P RR) between the two resistors (R H, R L) of the resistor stack; wherein said secondary part comprises an electromagnetic unit (U EM) and wherein the secondary part output set (T OUT1, T OUT2) comprises at least: - a first output terminal subset (T OUT1), deriving from the first intermediate terminal (T INT1) processed through electromagnetic unit (U EM), arranged to provide a first output voltage subset (V OUT1) to be used for measuring the amplitude of the input voltage (V IN) at the nominal frequency range; - a second output terminal (T OUT2), deriving from the second intermediate terminal (T INT2), arranged to provide a second output voltage (V OUT2) to be used for measuring the waveform of the input high voltage (V IN); wherein the first capacitor stack and the second capacitor stack are physically realized through one single column arrangement, the single column arrangement including a number of capacitor elements (CE1, CE2) belonging to both capacitor stacks; wherein the capacitor elements of both capacitor stacks are physically stacked together one above the other together via a given mixing rule; wherein only the capacitor elements (CE1, CE2) belonging to the same capacitor stack are electrically connected; and wherein the given mixing rule is implemented by electrically connecting alternating tuples of capacitor elements (CE1, CE2). - a first intermediate terminal (T INT1) connected to a point (P CC1) between the two capacitors (C 1H, C M) of the first capacitor stack; - a second intermediate terminal (T INT2) connected to a link connecting a point (P CC2) between the two capacitors (C 2H, C L) of the second capacitor stack and a point (P RR) between the two resistors (R H, R L) of the resistor stack; - a first output terminal subset (T OUT1), deriving from the first intermediate terminal (T INT1) processed through electromagnetic unit (U EM), arranged to provide a first output voltage subset (V OUT1) to be used for measuring the amplitude of the input voltage (V IN) at the nominal frequency range; - a second output terminal (T OUT2), deriving from the second intermediate terminal (T INT2), arranged to provide a second output voltage (V OUT2) to be used for measuring the waveform of the input high voltage (V IN);