PSEN cs1.1n 1switch PSENcode – non-contact, coded safety switches Product ID: 540053 RFiD safety switch, 2 safe SC outputs, 5-pin M12 male connector, 4 actuation directions, IP67, typ. operating distance 21 mm, Sao = 15 mm,Sar = 40 mm, PU = 1 piece coded switch.