Voltage converter intended to control electrical energy exchanged between an electrical machine and an electrical power source, notably of an electrical network of a motor vehicle, said electrical network being a DC electrical energy network, said voltage converter comprising a terminal block intended to electrically connect said voltage converter to the electrical network, characterized in that the voltage converter has a substantially cylindrical shape and the terminal block is fixed to an outer side wall of the substantially cylindrical shape of the voltage converter, and in that said terminal block comprises: - a first filtering component, - a second filtering component, - a first power trace, intended to electrically connect a first pole of the electrical network to the voltage converter, the first power trace comprising a first connection terminal electrically connected to the first filtering component and a second connection terminal intended to be electrically connected to the first pole of the electrical network, - a second power trace, intended to electrically connect a second pole of the electrical network to the voltage converter, the second power trace comprising a first connection terminal electrically connected to the second filtering component and a second connection terminal intended to be electrically connected to the second pole of the electrical network, - a third power trace, intended to electrically connect a reference potential pole to the first and second filtering components (22, 24), the third power trace comprising a first connection terminal electrically connected to the first filtering component, a second connection terminal electrically connected to the second filtering component, and a third connection terminal intended to be electrically connected to the reference potential pole, wherein the distance D1 between the first and second connection terminals (32, 34) of the first power trace along the first power trace, the distance D2 between the first and second connection terminals (36, 38) of the second power trace along the second power trace, the distance D3 between the first and third connection terminals (40, 44) of the third power trace along the third power trace, and the distance D4 between the second and third connection terminals (42, 44) of the third power trace along the third power trace are configured such that the sum of the distances D1 and D3 is greater than or equal to 85% of the sum of the distances D2 and D4 and less than or equal to 115% of the sum of the distances D2 and D4, and wherein the third connection terminal of the third power trace is connected to a support of the voltage converter, said support forming the reference potential pole. - a first filtering component, - a second filtering component, - a first power trace, intended to electrically connect a first pole of the electrical network to the voltage converter, the first power trace comprising a first connection terminal electrically connected to the first filtering component and a second connection terminal intended to be electrically connected to the first pole of the electrical network, - a second power trace, intended to electrically connect a second pole of the electrical network to the voltage converter, the second power trace comprising a first connection terminal electrically connected to the second filtering component and a second connection terminal intended to be electrically connected to the second pole of the electrical network, - a third power trace, intended to electrically connect a reference potential pole to the first and second filtering components (22, 24), the third power trace comprising a first connection terminal electrically connected to the first filtering component, a second connection terminal electrically connected to the second filtering component, and a third connection terminal intended to be electrically connected to the reference potential pole, wherein the distance D1 between the first and second connection terminals (32, 34) of the first power trace along the first power trace, the distance D2 between the first and second connection terminals (36, 38) of the second power trace along the second power trace, the distance D3 between the first and third connection terminals (40, 44) of the third power trace along the third power trace, and the distance D4 between the second and third connection terminals (42, 44) of the third power trace along the third power trace are configured such that the sum of the distances D1 and D3 is greater than or equal to 85% of the sum of the distances D2 and D4 and less than or equal to 115% of the sum of the distances D2 and D4, and