Further information for TURCK Inductive Sensor 16226 - NI20-K40SR-AN6X
Inductive sensor, operating voltage 10.30 VDC, rated switching distance 20 mm, non-flush, 2 cable entries (axial, radial), smooth tube, 40 mm diameter, plastic, ABS, DC 3-wire, 10...30 VDC, normally open, NPN output, terminal compartment