Slot Sensors
U-shaped slot photoelectric sensors for edge, mark and small-part detection.
DD-303N / DD-403N Wide-slot Photoelectric Sensor
13 mm through-beam slot sensor giving real tolerance for thick or fluttering parts, still detecting down to 2.2×0.5 mm.
DD-670 Series Slot Photoelectric Sensor (Pin/Plug-in Connector Type)
Plug-in connector slot photoelectric sensor, 5 mm slot, 20 models across 5 housing styles, 4 NPN/PNP output versions.
DD-L25/45 Series Micro-slot (Micro U-shaped) Photoelectric Sensor
Micro U-shaped photoelectric sensor with 0.01 mm repeatability and 0.025 mm hysteresis, in 10 compact mounting shapes.
EE-SX67 Series Slot-type Photoelectric Sensor (Photomicrosensor)
Pre-aligned U-shaped photoelectric sensor in 8 shapes with full NPN/PNP output and wiring-selectable NO/NC logic.
FS-KNS Slot Photoelectric Sensor (Plug-in Type)
5 mm-slot sensor with simultaneous NO+NC outputs, 0.3 ms response, and 1 mm minimum detectable object.
Selection Help & Related
📘 Not sure which series? NPN vs PNP Sensor Outputs Explained