PSEN ma1.1p-10/PSEN1.1-10/3mm/1unit 506411 Magnetic safety switch 2 n/o, 4-pin M8 male connector, square design, IP67, switching distance 3 mm, height design 13 mm, PU = 1 sensor with actuator. Our magnetic sensors PSENmag are ideal for monitoring safety gates and positions for all applications thanks to their manipulation-proof concept.