![[OMRON] — E3T-UL M2-mounting Side-view Through-beam Ultracompact Sensor (2m/1m/300mm, Red light, NPN/PNP, UL Certified)](https://img.prosourcemro.com/2026/05/001-333-1024x1024.png)
Photoelectric
Omron
[OMRON] — E3T-UL M2-mounting Side-view Through-beam Ultracompact Sensor (2m/1m/300mm, Red light, NPN/PNP, UL Certified)
Family ID: OMRON-E3T-UL-ST-M2
OMRON E3T-UL Series M2-mounting side-view through-beam ultracompact photoelectric sensors. UL certified. Red light only. 2 m (E3T-ST3x-UL), 1 m (E3T-ST1x-UL), 300 mm (E3T-ST2x-UL). Light-ON and Dark-ON modes. NPN and PNP output. Cable 2 m. Set models; Emitter (-L) and Receiver (-D) available individually. Sensitivity Adjustment Unit E39-E10 compatible with 2m and 1m models.
12 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| E3T-ST31-UL 2M | UL M2 side-view through-beam 2 m NPN Light-ON | OMRON | Sensing Distance: 2 m | Light Source: Red light | Sensing Method: Through-beam Side-view (M2 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) / Sensitivity Adjustment Unit E39-E10 compatible (sold separately) | ||
| E3T-ST32-UL 2M | UL M2 side-view through-beam 2 m NPN Dark-ON | OMRON | Sensing Distance: 2 m | Light Source: Red light | Sensing Method: Through-beam Side-view (M2 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) / Sensitivity Adjustment Unit E39-E10 compatible (sold separately) | ||
| E3T-ST33-UL 2M | UL M2 side-view through-beam 2 m PNP Light-ON | OMRON | Sensing Distance: 2 m | Light Source: Red light | Sensing Method: Through-beam Side-view (M2 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) / Sensitivity Adjustment Unit E39-E10 compatible (sold separately) | ||
| E3T-ST34-UL 2M | UL M2 side-view through-beam 2 m PNP Dark-ON | OMRON | Sensing Distance: 2 m | Light Source: Red light | Sensing Method: Through-beam Side-view (M2 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) / Sensitivity Adjustment Unit E39-E10 compatible (sold separately) | ||
| E3T-ST11-UL 2M | UL M2 side-view through-beam 1 m NPN Light-ON | OMRON | Sensing Distance: 1 m | Light Source: Red light | Sensing Method: Through-beam Side-view (M2 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) / Sensitivity Adjustment Unit E39-E10 compatible (sold separately) | ||
| E3T-ST12-UL 2M | UL M2 side-view through-beam 1 m NPN Dark-ON | OMRON | Sensing Distance: 1 m | Light Source: Red light | Sensing Method: Through-beam Side-view (M2 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) / Sensitivity Adjustment Unit E39-E10 compatible (sold separately) | ||
| E3T-ST13-UL 2M | UL M2 side-view through-beam 1 m PNP Light-ON | OMRON | Sensing Distance: 1 m | Light Source: Red light | Sensing Method: Through-beam Side-view (M2 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) / Sensitivity Adjustment Unit E39-E10 compatible (sold separately) | ||
| E3T-ST14-UL 2M | UL M2 side-view through-beam 1 m PNP Dark-ON | OMRON | Sensing Distance: 1 m | Light Source: Red light | Sensing Method: Through-beam Side-view (M2 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) / Sensitivity Adjustment Unit E39-E10 compatible (sold separately) | ||
| E3T-ST21-UL 2M | UL M2 side-view through-beam 300 mm NPN Light-ON | OMRON | Sensing Distance: 300 mm | Light Source: Red light | Sensing Method: Through-beam Side-view (M2 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) | ||
| E3T-ST22-UL 2M | UL M2 side-view through-beam 300 mm NPN Dark-ON | OMRON | Sensing Distance: 300 mm | Light Source: Red light | Sensing Method: Through-beam Side-view (M2 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) | ||
| E3T-ST23-UL 2M | UL M2 side-view through-beam 300 mm PNP Light-ON | OMRON | Sensing Distance: 300 mm | Light Source: Red light | Sensing Method: Through-beam Side-view (M2 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) | ||
| E3T-ST24-UL 2M | UL M2 side-view through-beam 300 mm PNP Dark-ON | OMRON | Sensing Distance: 300 mm | Light Source: Red light | Sensing Method: Through-beam Side-view (M2 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) |
