Patent ID: 8647140

Claim:
An electrical plug-in connector for use between a socket of an igniter module and an electronic control unit for a restraint system in a motor vehicle, comprising: a housing having one or more locking arms for releasably locking the housing to the socket when the housing engages the socket along an insertion direction (S), wherein the one or more locking arms can be actuated to unlock the housing from the socket, and wherein the one or more locking arms reinforce a lock between the housing and the socket when the housing is pulled from the socket without actuating the one or more locking arms to unlock the housing from the socket, and wherein the one or more locking arms comprise an elastic lower spring section and a latch section above the lower spring section, the latch section being configured to engage a corresponding latch recess of the socket and disposed at an angle relative to the insertion direction (S) extending outwardly towards the latch recess of the socket, and wherein the one or more locking arms are secured at their lower ends by projecting into a pocket of an insulation ring which is inserted into the socket.