Inductive sensors, inductive sensor, cuboid-shaped plastic, switching distance: 20 mm, flush mountable, 4-wire, DC PNP, operating voltage: 10...30 V DC, current consumption: 15 mA, normally open / normally closed, no / nc, M12 connector, gold-plated contacts, ATEX approval, Group II, Category 3D/3G, housing material: PC PA TPE