Przerywniki standardowe /Local/PL/Products/hospitality%20solutions/przerywniki%20pradu/TESA_Hospitality_przerywniki_pradu.jpg The TESA simple energy saving device is managed with the same cards that are usedfor the rooms, safes, etc. At the same time, it has a relay that endures 12Amp, replacing any key or switch. The simple energy saving device allows switching on the energy in the room afterinserting the card and during the time that the card is in the energy saving device.When the guest removes the card, the courtesy time activates. After that courtesy time the energy is switched off. To switch on the energy again it is necessary to reinsert the card. A relay is used to activate the energy.