Mechanical key card holder

The mechanical key card holder fulfills the standard requirements: if a card is inserted into the holder, the electric circuits are opened. During the stay, the card is kept securely in the hotel room and is only removed again when leaving. At the same time, all electrical loads in the room are switched off without a delay. The enables economical energy use and additionally increases the electrical safety due to voltage isolation. The mechanical key card holder consists of two components: an insert and a cover.