Pushbutton panel with feedback function for four magnetic elements (switches, traffic light signals, relays, etc.). Other switches can be connected laterally. Push-button panel with feedback function for four magnetic elements (switches, traffic signal, relay, etc.). Other switches can be connected laterally. Keyboard with operation for magnetic elements (Schalter, Ampel, Relais usw.). Weitere Schalter können seitlich angeschlossen werden.
