Further information for Pepperl + Fuchs PF Inductive sensor 306533 0021 - NRB15-30GS50-E2-IO-V1
Switching distance: 15 mm (factory setting), installation: flush, switching function: normally open/closed (NO/NC) programmable, output type: PNP, operating voltage: 10 ... 30 V DC, operating current: 0 ... 200 mA