Smart Hotel Key Card Switch Power Saving Switch

Inside the key card power switch, there is an integrated circuit board with a key element that controls power-taking - a micro-relay. When the switch recognizes the card successfully, it will automatically transmit the signal to the micro switch. After the micro switch is turned on, the relay coil is energized, the relay is closed, and the power supply starts.
After the key card is pulled out, the micro switch is disconnected, the contactor coil is de-energized, and the room is powered off.

The card frequency type key card switch - can be divided into low frequency card and high frequency card. It is to judge whether the room card is correct by switching the internal sensor to identify the frequency of the room card.
This card is popular because of its flat appearance and low maintenance costs. And you can customize the card with the exclusive frequency of your own hotel, so as to avoid the situation where the room card of Hotel A can go to Hotel B to get electricity. It is the identification form of the power switch with the highest holdings in the market at present.
Boonlive has various kinds of key card switch for hotel, the communication way can be RS485 Modbus, KNX, Zigbee, Zwave, I/O, dry contact, mechanic and any other normal switch. Besides, we also produce other smart switch for hotel to control lights, TV, air conditioning, curtain, etc.