M12 Non-flush Inductive proximity sensor
T30 Right-Angle Ultrasonic Proximity Switch Sensor – 100-1000mm, PNP/NPN NO/NC (T30-100), M12, Import-Style Replacement
M18 Flush Inductive Proximity Sensor – 5mm Shielded Detection (0-4.6mm Reliable), M18×1 Thread, DC 3-Wire NPN/PNP + DC 2-Wire, NO/NC, BILN5-GM18 Series
BPP Series Laser Photoelectric Switch Visible Red Light
FSB-002
TL-N10M Series Square Proximity Switch