The Potential-free switching actuator with button function receives and switches devices, such as the doorbell. The special feature of this product is that assignment in the Basic mode only the Touch function is used. The output is switched as long, as long as the assigned switch/sensor is activated (function of a doorbell button). Also when resetting to factory settings (reset) and neuerlichem assign a button/sensor in the Basic mode is in turn only the button function. In Comfort mode, all well-known and best proven functions remain unchanged. The supply is done via the network. You can also use other voltages than the supply voltage can be switched. The device is installed in the switch, branch, installation box or directly in the lamp cover.This text is machine translated.