Microprocessed unit that manages communications and control for 2 voltage-free inputs. It allows you to customize each entry with the location of the equipment you control and its status change (activated extractor, closed door in the kitchen, ...). Each input can be selected by open contact (SELECTOR IN NO POSITION) or contact closed (SELECTOR IN NC POSITION). Provided with information leds, extractable terminals and circuit protection box. Supply voltage: 18 - 27 VDC. Consumption at rest: 3.3 mA. Consumption in alarm: 13 mA. (2 inputs activated). Inputs: Voltage free contacts. Selectable by open or closed contact. Temperature range: 0º to 60º C. Cable cross section: Positive: 1.5 mm². Negative: 1.5 mm². Communications: 0.75 mm². Dimensions: 145 x 86 x 25 mm. LED: Activation of each input: fixed yellow. Communications: flashing red. Clamping: 4 Ø3.5 mm holes.