Plug connector and plug connector arrangement having a plug connector of this kind

A plug connector for plugging onto or into a counterpart plug connector, having at least two counterpart contact elements, in a plugging direction, the plug connector comprising:

• a housing having a first plane that faces in the plugging direction, the housing having at least two contact chambers, each of the contact chambers having an opening in the first plane, each of the contact chambers being configured to receive a respective contact element that is configured for electrical and mechanical contacting of one of the at least two counterpart contact elements of the counterpart plug connector, wherein at least two of the contact chambers in the housing are embodied separately from one another;
• a contact locking element disposed on the first plane for locking the contact elements that are introducible into the contact chambers;
• and
• (i) a wall which protrudes from the first plane when viewed oppositely from the plugging direction, the wall being disposed between at least two mutually adjacent ones of the contact chambers, and/or (ii) at least one groove disposed in the first plane between at least two mutually adjacent ones of the contact chambers.

An electrical plug connector assemblage, comprising:

• a plug connector for plugging onto or into a counterpart plug connector, having at least two counterpart contact elements, in a plugging direction, the plug connector including:
• a housing having a first plane that faces in the plugging direction, the housing having at least two contact chambers, each of the contact chambers having an opening in the first plane, each of the contact chambers being configured to receive one contact element that is configured for electrical and mechanical contacting of one of the at least two counterpart contact elements of the counterpart plug connector, wherein at least two of the contact chambers in the housing are embodied separately from one another;
• a contact locking element disposed on the first plane for locking the contact elements that are introducible into the contact chambers;
• and
• (i) a wall which protrudes from the first plane when viewed oppositely from the plugging direction, the wall being disposed between at least two mutually adjacent ones of the contact chambers, and/or (ii) at least one groove disposed in the first plane between at least two mutually adjacent ones of the contact chambers;
• and
• the counterpart plug connector having the at least two counterpart contact elements;
• wherein the plug connector is plug-assembled and electrically contacted to the counterpart plug connector in the plugging direction.