Magnet armature (MA), comprising - a first spring element (F1) with a first stiffness k1, - a second spring element (F2) with a second stiffness k2, - a bush (B) between the first spring element (F1) and the second spring element (F2), - a cylindrical section (ZA), wherein the cylindrical section (ZA) has a first subsection (ZA1) with a first diameter, a second subsection (ZA2) with a second diameter and a step between the two subsections (ZA1, ZA2), - the step between the two subsections (ZA1, ZA2) constitutes a magnet armature stop (A4), and - the magnet armature can move between an idle position (RP), an end position (EP) and a central position (MP) between the idle position (RP) and the end position (EP), wherein the idle position is that position in which the magnet armature is located when there is no magnetic force acting on it, characterized in that - the magnet armature stop (A4) constitutes a stop for the bush (B), - the bush (B) touches the magnet armature stop (A4) during the movement from the idle position (RP) to the central position (MP), and - the bush (B) does not touch the magnet armature stop (A4) during the movement from the central position (MP) to the end position (EP), - the second spring element is biased or the stiffness of the second spring element is considerably higher than that of the first spring element, so that: - the first spring element (F1) is elastically deformed during the movement from the idle position (RP) to the central position (MP), but not during the movement from the central position (MP) to the end position (EP), and - the second spring element (F2) is elastically deformed during the movement from the central position (MP) to the end position (EP), but is not deformed or is deformed only to an insignificant extent during the movement from the idle position (RP) to the central position (MP). - a first spring element (F1) with a first stiffness k1, - a second spring element (F2) with a second stiffness k2, - a bush (B) between the first spring element (F1) and the second spring element (F2), - a cylindrical section (ZA), wherein the cylindrical section (ZA) has a first subsection (ZA1) with a first diameter, a second subsection (ZA2) with a second diameter and a step between the two subsections (ZA1, ZA2), - the step between the two subsections (ZA1, ZA2) constitutes a magnet armature stop (A4), and - the magnet armature can move between an idle position (RP), an end position (EP) and a central position (MP) between the idle position (RP) and the end position (EP), wherein the idle position is that position in which the magnet armature is located when there is no magnetic force acting on it, characterized in that - the magnet armature stop (A4) constitutes a stop for the bush (B), - the bush (B) touches the magnet armature stop (A4) during the movement from the idle position (RP) to the central position (MP), and - the bush (B) does not touch the magnet armature stop (A4) during the movement from the central position (MP) to the end position (EP), - the second spring element is biased or the stiffness of the second spring element is considerably higher than that of the first spring element, so that: - the first spring element (F1) is elastically deformed during the movement from the idle position (RP) to the central position (MP), but not during the movement from the central position (MP) to the end position (EP), and - the second spring element (F2) is elastically deformed during the movement from the central position (MP) to the end position (EP), but is not deformed or is deformed only to an insignificant extent during the movement from the idle position (RP) to the central position (MP). <EOS>