Abstract: The invention relates to a pyrotechnic switch, which comprises, a housing formed by a first housing part and a second housing part, at least one rivet by means of which the first housing part is riveted onto the second housing part in order to form said housing, at least one pyrotechnic actuator arranged in the housing, wherein at least one out of the first housing part or the second housing part comprises a metal insert and a plastic body overmoulded onto the metal insert, in that the metal insert comprises a passage opening for the rivet, and in that the rivet is in contact with the passage opening of the metal insert.

Abstract: Pyrotechnic switch (1) including: at least a first circuit portion (10) with two connection terminals (11a, 11b), arranged to be part of an electrical circuit, a mobile body (20), arranged to pass from a first position to a second position, and thereby cause an opening of the first circuit portion (10), a pyrotechnic actuator, arranged to control the movement of the mobile body (20) from the first to the second position, a fuse element (30) such as a fuse, arranged to interrupt an electric current passing between the terminals of the first circuit portion (11a, 11b), characterized in that the fuse element (30) is isolated from at least one of the terminals of the first circuit portion (11a, 11b) when the mobile body (20) is in the first position.