Multifunctional bus relay output for the Villa 2-wire system, adjustable by addressing either for control by bell buttons (e.g. for external ringers) or for control by the door opener button or function button on the monitor (e.g. for light on), potential-free output contact, load capacity 30 V DC / 12 V AC, 1 A, time delay: 5 - 300 sec., dimensions: 49 x 51 x 22 mm, protection class IP 20
