Inductive Sensor, Operating voltage 10…30 VDC, Rated switching distance 20 mm, Non-flush, Threaded barrel, M30 x 1.5, Stainless steel, 1.4301, Factor 1 for all metals, Protection class IP68, Resistant to magnetic fields, Extended temperature range, High switching frequency, Auto-compensation protects against pre-damping, DC 3-wire, 10…30 VDC, NO contact, NPN output, Terminal chamber