Retractable capacitive switch kit

A retractable capacitive switch kit (10) for an electrical system, comprising:

• a switch block or assembly (12) placed in a partition of a wall (26) and below a plate (28) covering said wall (26) or inside furniture or other furnishing coverings/surfaces without externally protruding elements with respect to said plate or covering, comprising communication interface means with a system control/management device arranged in a dedicated seat (30) formed in the partition of a wall (26) in a position that can be inspected by a user and remotely or indirectly in contact with the switch block or assembly (12) and placed in connection with a control unit or with a computer and connection means (15) between said switch block or assembly (12) and said communication interface means, with the switch block or assembly (12) including a container element (20) with an electronic board (16) and switch actuation/detection elements positioned inside;
• and
• one or more capacitive detection elements housed within the container element of the switch block or assembly,
• wherein the dedicated seat is external to the container element such that the connection means is configured to pass through the partition of the wall to connect to the communication interface means arranged in the dedicated seat, and
• wherein the communication interface means comprises a KNX protocol (KONNEX communication protocol) electronic interface (14).