Further information for Pepperl + Fuchs PF Inductive Sensor 188297 - NBB4-F1-US
Switching distance: 4 mm, Installation: flush, Switching function: Normally open (NO), Output type: Two-wire, Operating voltage: 20 ... 253 V AC/DC, Operating current: 4 ... 250 mA AC 4 ... 100 mA DC