Plug connector and plug connector with two plug contacts

Abstract

The invention relates to a plug connector for a plug-in connector for detachable, electrically conductive contact, comprising at least one front contact element and at least one rear contact element and a touch protection pin, wherein the at least one front contact element and the at least one rear contact element are detachably joined together, wherein the touch protection pin has a clamping piece with a radially outwardly acting sealing device, wherein the touch protection pin with the clamping piece is positioned in a clamping piece receiving space of the front contact element and is detachably pressed together by axially acting clamping forces, characterized in that the clamping piece has a cylindrical outer surface into which a groove is provided and an O-ring is inserted, which form the radially outwardly acting sealing device.