Patent ID: 8529291

Claim:
A wall bushing plug connector which is to be led through and latched in a wall cutout in a housing wall comprising: an insulating material housing; two sprung fastening latching arms which are arranged so as to spring outward on mutually opposite sides of the insulating material housing in opposite directions, and have at least one latching edge for latching to the housing wall; and mutually opposite clamping contact sections, wherein the two sprung fastening latching arms are integrally formed on a support section opposite a free end of each of the two sprung fastening latching arms, the two sprung fastening latching aims each having: two spring bows spaced apart from each other so as to leave a clearance; and two limbs each adjoining one of the two spring bows, and the two limbs merging with the free end of at least one of the two sprung fastening latching arms by way of a crossmember, wherein the clearance accommodates a retaining section of a mating plug connector configured to be plugged onto the wall bushing plug connector for connection to connection contacts.