![[OMRON] — E3T M2-mounting Reflective Ultracompact Sensor (Retro / Diffuse / Limited / BGS, NPN/PNP)](https://img.prosourcemro.com/2026/05/001-331-1024x683.png)
Photoelectric
Omron
[OMRON] — E3T M2-mounting Reflective Ultracompact Sensor (Retro / Diffuse / Limited / BGS, NPN/PNP)
Family ID: OMRON-E3T-REFLECT-M2
OMRON E3T Series M2-mounting reflective ultracompact photoelectric sensors. Retro-reflective (E3T-SR4x): 200/100 mm, red light; -S with E39-R37-CA, -C without reflector. Diffuse-reflective (E3T-FD1x): 5~30 mm. Limited-reflective (E3T-SL1x/2x): 5~15 mm / 5~30 mm. BGS-reflective (E3T-FL1x/2x): 1~15 mm / 1~30 mm. Light-ON and Dark-ON modes. NPN and PNP. Cable 2 m. Robot cable (R suffix) also available for most models.
28 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| E3T-SR41-S 2M | M2 retro-reflective -S NPN Light-ON | OMRON | Sensing Distance: 200 mm (min 30 mm) with E39-R4 / 100 mm (min 10 mm) with E39-R37-CA | Light Source: Red light | Sensing Method: Retro-reflective (M2 mounting) | Output: NPN | Operation Mode: Light-ON | Reflector: E39-R37-CA reflector included (100 mm / min 10 mm); also compatible with E39-RS1/2/3-CA tape reflectors | Also Available: Robot (bending-resistant) cable model also available: add 'R' suffix (e.g. E3T-ST11R 2M) | ||
| E3T-SR42-S 2M | M2 retro-reflective -S NPN Dark-ON | OMRON | Sensing Distance: 200 mm (min 30 mm) with E39-R4 / 100 mm (min 10 mm) with E39-R37-CA | Light Source: Red light | Sensing Method: Retro-reflective (M2 mounting) | Output: NPN | Operation Mode: Dark-ON | Reflector: E39-R37-CA reflector included (100 mm / min 10 mm); also compatible with E39-RS1/2/3-CA tape reflectors | Also Available: Robot (bending-resistant) cable model also available: add 'R' suffix (e.g. E3T-ST11R 2M) | ||
| E3T-SR43-S 2M | M2 retro-reflective -S PNP Light-ON | OMRON | Sensing Distance: 200 mm (min 30 mm) with E39-R4 / 100 mm (min 10 mm) with E39-R37-CA | Light Source: Red light | Sensing Method: Retro-reflective (M2 mounting) | Output: PNP | Operation Mode: Light-ON | Reflector: E39-R37-CA reflector included (100 mm / min 10 mm); also compatible with E39-RS1/2/3-CA tape reflectors | Also Available: Robot (bending-resistant) cable model also available: add 'R' suffix (e.g. E3T-ST11R 2M) | ||
| E3T-SR44-S 2M | M2 retro-reflective -S PNP Dark-ON | OMRON | Sensing Distance: 200 mm (min 30 mm) with E39-R4 / 100 mm (min 10 mm) with E39-R37-CA | Light Source: Red light | Sensing Method: Retro-reflective (M2 mounting) | Output: PNP | Operation Mode: Dark-ON | Reflector: E39-R37-CA reflector included (100 mm / min 10 mm); also compatible with E39-RS1/2/3-CA tape reflectors | Also Available: Robot (bending-resistant) cable model also available: add 'R' suffix (e.g. E3T-ST11R 2M) | ||
| E3T-SR41-C 2M | M2 retro-reflective -C NPN Light-ON | OMRON | Sensing Distance: 200 mm (min 30 mm) with E39-R4 / 100 mm (min 10 mm) with E39-R37-CA | Light Source: Red light | Sensing Method: Retro-reflective (M2 mounting) | Output: NPN | Operation Mode: Light-ON | Reflector: No reflector included; compatible with E39-RS1/2/3-CA tape reflectors (sold separately) | Also Available: Robot (bending-resistant) cable model also available: add 'R' suffix (e.g. E3T-ST11R 2M) | ||
| E3T-SR42-C 2M | M2 retro-reflective -C NPN Dark-ON | OMRON | Sensing Distance: 200 mm (min 30 mm) with E39-R4 / 100 mm (min 10 mm) with E39-R37-CA | Light Source: Red light | Sensing Method: Retro-reflective (M2 mounting) | Output: NPN | Operation Mode: Dark-ON | Reflector: No reflector included; compatible with E39-RS1/2/3-CA tape reflectors (sold separately) | Also Available: Robot (bending-resistant) cable model also available: add 'R' suffix (e.g. E3T-ST11R 2M) | ||
| E3T-SR43-C 2M | M2 retro-reflective -C PNP Light-ON | OMRON | Sensing Distance: 200 mm (min 30 mm) with E39-R4 / 100 mm (min 10 mm) with E39-R37-CA | Light Source: Red light | Sensing Method: Retro-reflective (M2 mounting) | Output: PNP | Operation Mode: Light-ON | Reflector: No reflector included; compatible with E39-RS1/2/3-CA tape reflectors (sold separately) | Also Available: Robot (bending-resistant) cable model also available: add 'R' suffix (e.g. E3T-ST11R 2M) | ||
| E3T-SR44-C 2M | M2 retro-reflective -C PNP Dark-ON | OMRON | Sensing Distance: 200 mm (min 30 mm) with E39-R4 / 100 mm (min 10 mm) with E39-R37-CA | Light Source: Red light | Sensing Method: Retro-reflective (M2 mounting) | Output: PNP | Operation Mode: Dark-ON | Reflector: No reflector included; compatible with E39-RS1/2/3-CA tape reflectors (sold separately) | Also Available: Robot (bending-resistant) cable model also available: add 'R' suffix (e.g. E3T-ST11R 2M) | ||
| E3T-FD11 2M | M2 diffuse-reflective 5~30mm NPN Light-ON | OMRON | Sensing Distance: 5 to 30 mm | Light Source: Red light | Sensing Method: Diffuse-reflective (M2 mounting) | Output: NPN | Operation Mode: Light-ON | Also Available: Robot (bending-resistant) cable model also available: add 'R' suffix (e.g. E3T-ST11R 2M) | ||
| E3T-FD12 2M | M2 diffuse-reflective 5~30mm NPN Dark-ON | OMRON | Sensing Distance: 5 to 30 mm | Light Source: Red light | Sensing Method: Diffuse-reflective (M2 mounting) | Output: NPN | Operation Mode: Dark-ON | Also Available: Robot (bending-resistant) cable model also available: add 'R' suffix (e.g. E3T-ST11R 2M) | ||
| E3T-FD13 2M | M2 diffuse-reflective 5~30mm PNP Light-ON | OMRON | Sensing Distance: 5 to 30 mm | Light Source: Red light | Sensing Method: Diffuse-reflective (M2 mounting) | Output: PNP | Operation Mode: Light-ON | Also Available: Robot (bending-resistant) cable model also available: add 'R' suffix (e.g. E3T-ST11R 2M) | ||
| E3T-FD14 2M | M2 diffuse-reflective 5~30mm PNP Dark-ON | OMRON | Sensing Distance: 5 to 30 mm | Light Source: Red light | Sensing Method: Diffuse-reflective (M2 mounting) | Output: PNP | Operation Mode: Dark-ON | Also Available: Robot (bending-resistant) cable model also available: add 'R' suffix (e.g. E3T-ST11R 2M) | ||
| E3T-SL11 2M | M2 limited-reflective 5 to 15 mm NPN Light-ON | OMRON | Sensing Distance: 5 to 15 mm | Light Source: Red light | Sensing Method: Limited-reflective (M2 mounting) | Output: NPN | Operation Mode: Light-ON | Also Available: Robot (bending-resistant) cable model also available: add 'R' suffix (e.g. E3T-ST11R 2M) | ||
| E3T-SL12 2M | M2 limited-reflective 5 to 15 mm NPN Dark-ON | OMRON | Sensing Distance: 5 to 15 mm | Light Source: Red light | Sensing Method: Limited-reflective (M2 mounting) | Output: NPN | Operation Mode: Dark-ON | Also Available: Robot (bending-resistant) cable model also available: add 'R' suffix (e.g. E3T-ST11R 2M) | ||
| E3T-SL13 2M | M2 limited-reflective 5 to 15 mm PNP Light-ON | OMRON | Sensing Distance: 5 to 15 mm | Light Source: Red light | Sensing Method: Limited-reflective (M2 mounting) | Output: PNP | Operation Mode: Light-ON | Also Available: Robot (bending-resistant) cable model also available: add 'R' suffix (e.g. E3T-ST11R 2M) | ||
| E3T-SL14 2M | M2 limited-reflective 5 to 15 mm PNP Dark-ON | OMRON | Sensing Distance: 5 to 15 mm | Light Source: Red light | Sensing Method: Limited-reflective (M2 mounting) | Output: PNP | Operation Mode: Dark-ON | Also Available: Robot (bending-resistant) cable model also available: add 'R' suffix (e.g. E3T-ST11R 2M) | ||
| E3T-SL21 2M | M2 limited-reflective 5 to 30 mm NPN Light-ON | OMRON | Sensing Distance: 5 to 30 mm | Light Source: Red light | Sensing Method: Limited-reflective (M2 mounting) | Output: NPN | Operation Mode: Light-ON | Also Available: Robot (bending-resistant) cable model also available: add 'R' suffix (e.g. E3T-ST11R 2M) | ||
| E3T-SL22 2M | M2 limited-reflective 5 to 30 mm NPN Dark-ON | OMRON | Sensing Distance: 5 to 30 mm | Light Source: Red light | Sensing Method: Limited-reflective (M2 mounting) | Output: NPN | Operation Mode: Dark-ON | Also Available: Robot (bending-resistant) cable model also available: add 'R' suffix (e.g. E3T-ST11R 2M) | ||
| E3T-SL23 2M | M2 limited-reflective 5 to 30 mm PNP Light-ON | OMRON | Sensing Distance: 5 to 30 mm | Light Source: Red light | Sensing Method: Limited-reflective (M2 mounting) | Output: PNP | Operation Mode: Light-ON | Also Available: Robot (bending-resistant) cable model also available: add 'R' suffix (e.g. E3T-ST11R 2M) | ||
| E3T-SL24 2M | M2 limited-reflective 5 to 30 mm PNP Dark-ON | OMRON | Sensing Distance: 5 to 30 mm | Light Source: Red light | Sensing Method: Limited-reflective (M2 mounting) | Output: PNP | Operation Mode: Dark-ON | Also Available: Robot (bending-resistant) cable model also available: add 'R' suffix (e.g. E3T-ST11R 2M) | ||
| E3T-FL11 2M | M2 BGS-reflective 1 to 15 mm NPN Light-ON | OMRON | Sensing Distance: 1 to 15 mm | Light Source: Red light | Sensing Method: BGS-reflective (M2 mounting) | Output: NPN | Operation Mode: Light-ON | Also Available: Robot (bending-resistant) cable model also available: add 'R' suffix (e.g. E3T-ST11R 2M) | ||
| E3T-FL12 2M | M2 BGS-reflective 1 to 15 mm NPN Dark-ON | OMRON | Sensing Distance: 1 to 15 mm | Light Source: Red light | Sensing Method: BGS-reflective (M2 mounting) | Output: NPN | Operation Mode: Dark-ON | Also Available: Robot (bending-resistant) cable model also available: add 'R' suffix (e.g. E3T-ST11R 2M) | ||
| E3T-FL13 2M | M2 BGS-reflective 1 to 15 mm PNP Light-ON | OMRON | Sensing Distance: 1 to 15 mm | Light Source: Red light | Sensing Method: BGS-reflective (M2 mounting) | Output: PNP | Operation Mode: Light-ON | Also Available: Robot (bending-resistant) cable model also available: add 'R' suffix (e.g. E3T-ST11R 2M) | ||
| E3T-FL14 2M | M2 BGS-reflective 1 to 15 mm PNP Dark-ON | OMRON | Sensing Distance: 1 to 15 mm | Light Source: Red light | Sensing Method: BGS-reflective (M2 mounting) | Output: PNP | Operation Mode: Dark-ON | Also Available: Robot (bending-resistant) cable model also available: add 'R' suffix (e.g. E3T-ST11R 2M) | ||
| E3T-FL21 2M | M2 BGS-reflective 1 to 30 mm NPN Light-ON | OMRON | Sensing Distance: 1 to 30 mm | Light Source: Red light | Sensing Method: BGS-reflective (M2 mounting) | Output: NPN | Operation Mode: Light-ON | Also Available: Robot (bending-resistant) cable model also available: add 'R' suffix (e.g. E3T-ST11R 2M) | ||
| E3T-FL22 2M | M2 BGS-reflective 1 to 30 mm NPN Dark-ON | OMRON | Sensing Distance: 1 to 30 mm | Light Source: Red light | Sensing Method: BGS-reflective (M2 mounting) | Output: NPN | Operation Mode: Dark-ON | Also Available: Robot (bending-resistant) cable model also available: add 'R' suffix (e.g. E3T-ST11R 2M) | ||
| E3T-FL23 2M | M2 BGS-reflective 1 to 30 mm PNP Light-ON | OMRON | Sensing Distance: 1 to 30 mm | Light Source: Red light | Sensing Method: BGS-reflective (M2 mounting) | Output: PNP | Operation Mode: Light-ON | Also Available: Robot (bending-resistant) cable model also available: add 'R' suffix (e.g. E3T-ST11R 2M) | ||
| E3T-FL24 2M | M2 BGS-reflective 1 to 30 mm PNP Dark-ON | OMRON | Sensing Distance: 1 to 30 mm | Light Source: Red light | Sensing Method: BGS-reflective (M2 mounting) | Output: PNP | Operation Mode: Dark-ON | Also Available: Robot (bending-resistant) cable model also available: add 'R' suffix (e.g. E3T-ST11R 2M) |
