Power converter arrangement comprising a power converter module having an electrically conductive module negative potential element and an electrically conductive module positive potential element, comprising a receiver device for receiving the power converter module, said receiver device having an electrically conductive receiver negative potential element and an electrically conductive receiver positive potential element, wherein a DC voltage plug connection device electrically conductively connects the module negative potential element to the receiver negative potential element and the module positive potential element to the receiver positive potential element, wherein the DC voltage plug connection device has an electrically conductive first plug connection element, an electrically conductive second plug connection element arranged such that it is electrically isolated from the first plug connection element, an electrically conductive third plug connection element and an electrically conductive fourth plug connection element arranged such that it is electrically isolated from the third plug connection element, wherein the first plug connection element is in electrically conductive contact with the module negative potential element, the second plug connection element is in electrically conductive contact with the module positive potential element, the third plug connection element is in electrically conductive contact with the receiver negative potential element and the fourth plug connection element is in electrically conductive contact with the receiver positive potential element, wherein the first plug connection element has a first plug connection section and the second plug connection element has a second plug connection section arranged spaced apart from the first plug connection section, wherein a plug connection space is formed between the first and second plug connection sections (6a', 6b'), wherein the third plug connection element has a third plug connection section and the fourth plug connection element has a fourth plug connection section, wherein the third and fourth plug connection sections (6c', 6d') are arranged in the plug connection space, characterized in that the DC voltage plug connection device has an electrically conductive first spring contact device having electrically conductive contact with the first plug connection section and having at least one first spring element which presses against the third plug connection section and thereby forms electrically conductive pressure contact with the third plug connection section, wherein the DC voltage plug connection device has an electrically conductive second spring contact device having electrically conductive contact with the second plug connection section and having at least one second spring element which presses against the fourth plug connection section and thereby forms electrically conductive pressure contact with the fourth plug connection section, wherein the DC voltage plug connection device has a first clamping device which presses the first spring contact device against the first plug connection section such that electrically conductive pressure contact between the first spring contact device and the first plug connection section is formed and in that the DC voltage plug connection device has a second clamping device which presses the second spring contact device against the second plug connection section such that electrically conductive pressure contact between the second spring contact device and the second plug connection section is formed.