Measuring transformer arrangement , comprising - a voltage transformer having a voltage transformer housing and a voltage transformer primary winding , and - a current transformer having an electrically conductive current transformer housing which is connected to the voltage transformer housing to form a housing of the measuring transformer arrangement , a first primary conductor connection electrically insulated from the voltage transformer primary winding , a second primary conductor connection , and a plurality of primary conductor sections (32 to 35) routed through the current transformer housing , wherein the first and the second primary conductor connection are arranged outside the current transformer housing , and wherein - a selectable number of the plurality of primary conductor sections (32 to 35) are able to be electrically interconnected in series to form a current transformer primary conductor electrically connecting the primary conductor connections , wherein such an interconnection comprises an electrical connection of two primary conductor sections (32 to 35) via the current transformer housing , characterized in that the second primary conductor connection is able to be electrically connected to a first end of the voltage transformer primary winding , wherein the voltage transformer housing is electrically conductive and is electrically insulated with respect to the current transformer housing , the first end of the voltage transformer primary winding is electrically connected to the voltage transformer housing , and the second primary conductor connection is able to be electrically connected to the voltage transformer housing . - a voltage transformer having a voltage transformer housing and a voltage transformer primary winding , and - a current transformer having an electrically conductive current transformer housing which is connected to the voltage transformer housing to form a housing of the measuring transformer arrangement , a first primary conductor connection electrically insulated from the voltage transformer primary winding , a second primary conductor connection , and a plurality of primary conductor sections (32 to 35) routed through the current transformer housing , wherein the first and the second primary conductor connection are arranged outside the current transformer housing , and wherein - a selectable number of the plurality of primary conductor sections (32 to 35) are able to be electrically interconnected in series to form a current transformer primary conductor electrically connecting the primary conductor connections , wherein such an interconnection comprises an electrical connection of two primary conductor sections (32 to 35) via the current transformer housing , the second primary conductor connection is able to be electrically connected to a first end of the voltage transformer primary winding , wherein the voltage transformer housing is electrically conductive and is electrically insulated with respect to the current transformer housing , the first end of the voltage transformer primary winding is electrically connected to the voltage transformer housing , and the second primary conductor connection is able to be electrically connected to the voltage transformer housing . <EOS>