![[OMRON] — E3T-UL M3-mounting Through-beam and Diffuse Ultracompact Sensor (NPN/PNP, UL Certified)](https://prosourcemro.com/wp-content/uploads/2026/05/001-333-1024x1024.png)
Photoelectric
Omron
[OMRON] — E3T-UL M3-mounting Through-beam and Diffuse Ultracompact Sensor (NPN/PNP, UL Certified)
Family ID: OMRON-E3T-UL-M3
OMRON E3T-UL Series M3-mounting ultracompact photoelectric sensors. UL certified. Side-view through-beam (E3T-ST1xM/2xM-UL): 1 m and 300 mm, red light. Diffuse-reflective (E3T-FD1xM-UL): 5~30 mm, red light. Light-ON and Dark-ON modes. NPN and PNP output. Cable 2 m. M3 mounting screws not included; E39-L171 SUS screw set sold separately. Mounting brackets E39-L166 (side-view) / E39-L167 (flat) sold separately.
12 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| E3T-ST11M-UL 2M | UL M3 side-view through-beam 1 m NPN Light-ON | OMRON | Sensing Distance: 1 m | Light Source: Red light | Sensing Method: Through-beam Side-view (M3 mounting, Set, UL certified) | Output: NPN | Operation Mode: Light-ON | Certification: UL | Note: Emitter-only: add '-L' suffix; Receiver-only: add '-D' suffix (e.g. E3T-ST11-L-UL 2M) | Mounting: M3 screws not included — order E39-L171 SUS screw set separately | ||
| E3T-ST12M-UL 2M | UL M3 side-view through-beam 1 m NPN Dark-ON | OMRON | Sensing Distance: 1 m | Light Source: Red light | Sensing Method: Through-beam Side-view (M3 mounting, Set, UL certified) | Output: NPN | Operation Mode: Dark-ON | Certification: UL | Note: Emitter-only: add '-L' suffix; Receiver-only: add '-D' suffix (e.g. E3T-ST11-L-UL 2M) | Mounting: M3 screws not included — order E39-L171 SUS screw set separately | ||
| E3T-ST13M-UL 2M | UL M3 side-view through-beam 1 m PNP Light-ON | OMRON | Sensing Distance: 1 m | Light Source: Red light | Sensing Method: Through-beam Side-view (M3 mounting, Set, UL certified) | Output: PNP | Operation Mode: Light-ON | Certification: UL | Note: Emitter-only: add '-L' suffix; Receiver-only: add '-D' suffix (e.g. E3T-ST11-L-UL 2M) | Mounting: M3 screws not included — order E39-L171 SUS screw set separately | ||
| E3T-ST14M-UL 2M | UL M3 side-view through-beam 1 m PNP Dark-ON | OMRON | Sensing Distance: 1 m | Light Source: Red light | Sensing Method: Through-beam Side-view (M3 mounting, Set, UL certified) | Output: PNP | Operation Mode: Dark-ON | Certification: UL | Note: Emitter-only: add '-L' suffix; Receiver-only: add '-D' suffix (e.g. E3T-ST11-L-UL 2M) | Mounting: M3 screws not included — order E39-L171 SUS screw set separately | ||
| E3T-ST21M-UL 2M | UL M3 side-view through-beam 300 mm NPN Light-ON | OMRON | Sensing Distance: 300 mm | Light Source: Red light | Sensing Method: Through-beam Side-view (M3 mounting, Set, UL certified) | Output: NPN | Operation Mode: Light-ON | Certification: UL | Note: Emitter-only: add '-L' suffix; Receiver-only: add '-D' suffix (e.g. E3T-ST11-L-UL 2M) | Mounting: M3 screws not included — order E39-L171 SUS screw set separately | ||
| E3T-ST22M-UL 2M | UL M3 side-view through-beam 300 mm NPN Dark-ON | OMRON | Sensing Distance: 300 mm | Light Source: Red light | Sensing Method: Through-beam Side-view (M3 mounting, Set, UL certified) | Output: NPN | Operation Mode: Dark-ON | Certification: UL | Note: Emitter-only: add '-L' suffix; Receiver-only: add '-D' suffix (e.g. E3T-ST11-L-UL 2M) | Mounting: M3 screws not included — order E39-L171 SUS screw set separately | ||
| E3T-ST23M-UL 2M | UL M3 side-view through-beam 300 mm PNP Light-ON | OMRON | Sensing Distance: 300 mm | Light Source: Red light | Sensing Method: Through-beam Side-view (M3 mounting, Set, UL certified) | Output: PNP | Operation Mode: Light-ON | Certification: UL | Note: Emitter-only: add '-L' suffix; Receiver-only: add '-D' suffix (e.g. E3T-ST11-L-UL 2M) | Mounting: M3 screws not included — order E39-L171 SUS screw set separately | ||
| E3T-ST24M-UL 2M | UL M3 side-view through-beam 300 mm PNP Dark-ON | OMRON | Sensing Distance: 300 mm | Light Source: Red light | Sensing Method: Through-beam Side-view (M3 mounting, Set, UL certified) | Output: PNP | Operation Mode: Dark-ON | Certification: UL | Note: Emitter-only: add '-L' suffix; Receiver-only: add '-D' suffix (e.g. E3T-ST11-L-UL 2M) | Mounting: M3 screws not included — order E39-L171 SUS screw set separately | ||
| E3T-FD11M-UL 2M | UL M3 diffuse-reflective 5~30mm NPN Light-ON | OMRON | Sensing Distance: 5 to 30 mm | Light Source: Red light | Sensing Method: Diffuse-reflective (M3 mounting, UL certified) | Output: NPN | Operation Mode: Light-ON | Certification: UL | Mounting: M3 screws not included — order separately | ||
| E3T-FD12M-UL 2M | UL M3 diffuse-reflective 5~30mm NPN Dark-ON | OMRON | Sensing Distance: 5 to 30 mm | Light Source: Red light | Sensing Method: Diffuse-reflective (M3 mounting, UL certified) | Output: NPN | Operation Mode: Dark-ON | Certification: UL | Mounting: M3 screws not included — order separately | ||
| E3T-FD13M-UL 2M | UL M3 diffuse-reflective 5~30mm PNP Light-ON | OMRON | Sensing Distance: 5 to 30 mm | Light Source: Red light | Sensing Method: Diffuse-reflective (M3 mounting, UL certified) | Output: PNP | Operation Mode: Light-ON | Certification: UL | Mounting: M3 screws not included — order separately | ||
| E3T-FD14M-UL 2M | UL M3 diffuse-reflective 5~30mm PNP Dark-ON | OMRON | Sensing Distance: 5 to 30 mm | Light Source: Red light | Sensing Method: Diffuse-reflective (M3 mounting, UL certified) | Output: PNP | Operation Mode: Dark-ON | Certification: UL | Mounting: M3 screws not included — order separately |
