Autonics PSN17-8DNU-F Inductive Proximity Sensor, Rectangular Style, 10-30VDC, 8mm Range, 3-Wire DC, NPN NO $24.00 Select
Autonics PSN17-5DN Inductive Proximity Sensor, 17mm Square, 5mm Sensing, NPN, NO, 10-30VDC $24.00 Select
Autonics PSN17-5DP Inductive Proximity Sensor, 17mm Square, 5mm Sensing, PNP, NO, 3-Wire, 10-30VDC $24.00 Select