Plug contact set, comprising a plug contact strip (17) having several first contact elements (12, 14) that are formed as components of a circuit board (10) and are arranged in the region of a circuit board edge (19), at least one of which contact elements (12, 14) being formed in the plugging direction (S) as a checking contact (14) having a smaller length than the remaining contact elements, and having a plug connector having several second contact elements (22) that are arranged in a housing, at least one of which contact elements (22) being set up to electrically make electric contact with the checking contact (14), wherein at least one first latch element (31, 51) that is formed as part of the circuit board (10) is arranged on the circuit board edge (19) and at least one second latch element (32) is arranged on the housing, said latch elements being set up to latch with one another when the first contact elements (12, 14) are completely contacted by the second contact elements (22), and wherein a third latch element (33, 53) that is formed as part of the circuit board (10) and that is able to latch to the second latch element (32) is provided that is arranged to be spaced apart from the first latch element (31) in the plugging direction (S) in such a way that, by latching the third latch element (33, 53) to the second latch element (32), an as clearance-free as possible fixing of the housing on the circuit board (10) in the completely contacted state of the first and second plug contacts (12, 14, 22) is achieved.