Eltako F2L14 RS485 switch actuator top-hat rail

2-stage ventilation relay, 1+1 normally open potential-free 16A/250V AC, with DX technology. Bidirectional. Standby loss is only 0.1 watts. Connection to the Eltako RS485 bus. Cross-wiring of bus and power supply with a jumper. Simply connect the neutral conductor to terminal (N1) and live to 1(L) and/or neutral to (N2) and live to 3(L). This results in an additional standby loss of only 0.1 watts. In the event of a power failure, the switching state is maintained. When power is restored, it is defined as switched off. This ventilation actuator evaluates information from up to 23 passive sensors, such as radio buttons, window-door contacts, window handle sensor FFG7B-rw, or radio transmission modules. Active sensors for CO2, humidity, and temperature are also evaluated. With the PC tool PCT14, multiple active sensors can be linked. When the two contacts are connected in parallel, the 2-stage actuator for 2 fan speeds becomes an actuator for one fan. The middle rotary switch is set to the LRN position for learning. In operation, the desired operating mode is set here. The upper rotary switch is set to the type of sensor during learning. A radio button (exclusive) with a double rocker is learned in the rotary switch position 1. Further adjustment options can be found in the operating manual.