667-7218, Pepperl + Fuchs, Pepperl + Fuchs Inductive Block Proximity Sensor, 20 mm Detection, NPN NO, 10 → 30 V dc, Brand Pepperl + Fuchs, Sensor Technology Inductive Pepperl + Fuchs Inductive Block Proximity Sensor, 20 mm Detection, NPN NO, 10 → 30 V dc