BN series control device unit, Number of devices: 4 devices, Position 1: 3-position selector switch 2NO, Position 2: 1 pushbutton black 1NO, Position 3: 1 pushbutton blue 1NO, Position 4: 1 red emergency stop button, turn to release, 2NC , Protection degree: IP65 according to EN 60529, Connection and output direction: M12 connector, 12-pole, cable 0.2 meters, lateral, orientable.