837-5857, Turck, Turck Inductive Threaded Barrel Proximity Sensor, M30, 15 mm Detection, 2-Wire NO, 10 → 300 V dc, 20 →, Brand Turck, Thread Size M30, Sensor Technology Inductive Turck Inductive Threaded Barrel Proximity Sensor, M30, 15 mm Detection, 2-Wire NO, 10 → 300 V dc, 20 →