Switching device

A switching device, comprising:

• a fixed contact secured to a housing and a movable contact, the movable contact being arranged on a contact arm which is configured to be movable inside the switching device, the contact arm including an extension of the contact arm facing away from the movable contact, the movable contact being configured to contact the fixed contact and to establish a conductive current path through the switching device;
• a breaker mechanism connected to the movable contact arm;
• a manually operated lever connected to the breaker mechanism;
• and
• a snap-action closing mechanism including a snap-action rocker mounted so as to be rotatably movable, controlled by a first cam of the manually operated lever, the snap-action rocker including a contact arm-catching unit configured to contact the extension of the contact arm,
• wherein the contact arm-catching unit has a surface hardness which is greater than or equal to a surface hardness of the extension of the contact arm.