The invention relates to an assembly of a plug connector and a circuit board (200; 500), the plug connector (100; 400; 800) being arranged on an edge of the circuit board (200; 500; 801), characterized by contact elements (110, 120; 410, 420, 430; 805) arranged in, below, and above the circuit board plane, wherein at least the contact elements (110, 120; 410, 420, 430; 805) arranged below and above the circuit board are bent on the side of the contact elements facing the circuit board (200; 500; 801) in such a way that the contact elements lead from both sides of the circuit board (200; 500; 801) into openings in the circuit board (200; 500; 801) adapted to the contact elements (110, 120; 410, 420, 430; 805) and can be soldered there.