A high-voltage direct current multipole electrical switch, comprising a moulded case including a main body divided into multiple inner compartments (6A, 6B, 6C, 6D) each associated with a pole (A, B, C, D) of the switch, and a switching mechanism, one of the poles of the switch being formed by a limiter pole comprising a compartment formed by one of the inner compartments (6A, 6B, 6C, 6D) of the main body, in which compartment an input terminal and an output terminal of a direct electric current are provided, the limiter pole comprising a first electrical contact connected to the input terminal and a second electrical contact connected to the output terminal, a third and a fourth electrical contact connected to each other in series, the third and fourth contacts (18, 20) being respectively movable simultaneously with respect to the first and second electrical contacts (14, 16) between a closed position, in which the first and third contacts and the second and fourth contacts are in contact with each other to permit the flow of direct electrical current between the input terminal and the output terminal, and an open position, in which said contacts are spaced apart from each other interrupting the flow of current between the input terminal and the output terminal, the limiter pole comprising a first arcing chamber in which the first and third electrical contacts are placed, a second arcing chamber in which the second and fourth electrical contacts are placed, and a first and a second chamber for breaking an electric arc, respectively associated with the first and second arcing chambers, the contacts (14, 18, 16, 20) of the limiting pole being separable by the switch mechanism, the switch comprising at least one conductive pole (A, C, D) with an input terminal and an output terminal, a first set of electrical contacts connected to the input terminal and a second set of electrical contacts connected to the output terminal the first and second series of electrical contacts (58, 70) being separable by the switching mechanism, characterised in that the switching mechanism is configured to separate the contacts (58, 70) of the conducting pole or poles (A, C, D) before the contacts (14, 18, 16, 20) of the limiting pole. compartment formed by one of the inner compartments (6A, 6B, 6C, 6D) of the main body, in which compartment an input terminal and an output terminal of a direct electric current are provided, the limiter pole comprising a first electrical contact connected to the input terminal and a second electrical contact connected to the output terminal, a third and a fourth electrical contact connected to each other in series, the third and fourth contacts (18, 20) being respectively movable simultaneously with respect to the first and second electrical contacts (14, 16) between a closed position, in which the first and third contacts and the second and fourth contacts are in contact with each other to permit the flow of direct electrical current between the input terminal and the output terminal, and an open position, in which said contacts are spaced apart from each other interrupting the flow of current between the input terminal and the output terminal, the limiter pole comprising a first arcing chamber in which the first and third electrical contacts are placed, a second arcing chamber in which the second and fourth electrical contacts are placed, and a first and a second chamber for breaking an electric arc, respectively associated with the first and second arcing chambers, the contacts (14, 18, 16, 20) of the limiting pole being separable by the switch mechanism, the switch comprising at least one conductive pole (A, C, D) with an input terminal and an output terminal, a first set of electrical contacts connected to the input terminal and a second set of electrical contacts connected to the output terminal the first and second series of electrical contacts (58, 70) being separable by the switching mechanism, characterised in that the switching mechanism is configured to separate the contacts (58, 70) of the conducting pole or poles (A, C, D) before the contacts (14, 18, 16, 20) of the limiting pole.