Apparatus for suppressing a magnetic DC component in the magnetizable core of an electrical device, comprising - a compensation winding for generating a magnetic flux in the core, the effect of which is counter to the DC flux component, - a circuit in which the compensation winding is arranged, - at least one power converter unit that is arranged in the circuit and in series with the compensation winding, and enables a flow of current therethrough in just one direction, - a number of switching branches (5 1, 5 2,... 5 n), which are arranged in the circuit in parallel with one another and in each case in series with the compensation winding and with the power converter unit, wherein a switching unit (6 1, 6 2,... 6 n) and a current-limiting reactor (7 1, 7 2,... 7 n) are connected in series in each switching branch (5 1, 5 2,... 5 n), and - a control unit that is connected to each switching unit (6 1, 6 2,... 6 n) and is configured to actuate each switching unit (6 1, 6 2,... 6 n), such that a flow of current is enabled through so many switching branches (5 1, 5 2,... 5 n) that an input signal, which corresponds to a detected DC component, of the control unit is minimized, - wherein the current-limiting reactors (7 1, 7 2,... 7 n) are designed so as to be identical to one another or different from one another, - characterized in that - each current-limiting reactor (7 1, 7 2,... 7 n) is composed of partial coils (10, 11), wherein in each case two partial coils (10, 11) are arranged next to one another between two metal plates so as to form a partial coil pair, and wherein each partial coil (10, 11) is equipped with connection terminals. - a compensation winding for generating a magnetic flux in the core, the effect of which is counter to the DC flux component, - a circuit in which the compensation winding is arranged, - at least one power converter unit that is arranged in the circuit and in series with the compensation winding, and enables a flow of current therethrough in just one direction, - a number of switching branches (5 1, 5 2,... 5 n), which are arranged in the circuit in parallel with one another and in each case in series with the compensation winding and with the power converter unit, wherein a switching unit (6 1, 6 2,... 6 n) and a current-limiting reactor (7 1, 7 2,... 7 n) are connected in series in each switching branch (5 1, 5 2,... 5 n), and - a control unit that is connected to each switching unit (6 1, 6 2,... 6 n) and is configured to actuate each switching unit (6 1, 6 2,... 6 n), such that a flow of current is enabled through so many switching branches (5 1, 5 2,... 5 n) that an input signal, which corresponds to a detected DC component, of the control unit is minimized, - wherein the current-limiting reactors (7 1, 7 2,... 7 n) are designed so as to be identical to one another or different from one another, - characterized in that - each current-limiting reactor (7 1, 7 2,... 7 n) is composed of partial coils (10, 11), wherein in each case two partial coils (10, 11) are arranged next to one another between two metal plates so as to form a partial coil pair, and wherein each partial coil (10, 11) is equipped with connection terminals.