- The series includes Through-beam, Long-distance (2 m) Sensors(E3T-ST3[]).
- Easy installation with M3-mounting Sensors (E3T-ST[][]M, E3T-FD[][]M, and E3T-SL[][]M).
- Small Cylindrical Sensors for one-point mounting are also available (E3T-C[][][](S)).
- Infrared Sensors added to the Series(E3T-[]T[][](M)F).