PSEN cs2.1n / PSEN cs2.1 1 Unit Product ID: 540103 RFiD safety switch 2 safe SC outputs, 5-pin M12 male connector, 4 actuation directions, IP67, switching distance 21 mm, Sao = 15 mm, Sar= 40 mm, PU = 1 piece fully coded switch with actuator. A total of 8 teach-in processes is possible.