Autonics PSN17-8DNU Sensor, Proximity, Rectangular, 8mm Range, 3-Wire, 35.6x30.8x18mm, Upper Sensing, NPN NO, 12-24VDC $24.00 Select
Autonics PSN17-5DP Inductive Proximity Sensor, 17mm Square, 5mm Sensing, PNP, NO, 3-Wire, 10-30VDC $24.00 Select
Autonics PR18-5DN Inductive Proximity Sensor, Ø18mm, 5mm Range, NPN NO, 3-Wire, 12-24VDC $34.00 Select