Phoenix contact three level actor terminal 0 2 4 mm dok phoenix contact 2717016 the phoenix contact dok 1 5 three level sensor actuator terminal is for the efficient wiring of modern machine control systems and can be mounted on a standard din en 50 022 flat top hat rail all three conductors of the sensor actuator are connected in parallel through one terminal block br br the top level contains the feed through terminal for data flow and the middle and bottom levels have the positive a