The invention relates to a magnet armature for a contactor, a contactor and a method for switching a contactor. The magnet armature permits a reduction in the danger of adhering the contacts of a contactor, and also comprises a first spring element having a first stiffness and a second element having a second stiffness. The first spring element is deformed in the transfer from a rest position to amid-position. The second spring element is deformed in the transfer from the mid-position to an end position.