Inductive sensor, operating voltage 20,250 VAC / 10,300 VDC, rated switching distance 20 mm, non-flush, threaded barrel, M30 x 1.5, chrome-plated brass, factor 1 for all metals, protection class IP68, magnetic field resistant, extended temperature range, high switching frequency, AC 2-wire, 20...250 VAC, DC 2-wire, 10...300 VDC, normally open, connector, 7/8'