![[OMRON] — E3T-ST M3-mounting Side-view Through-beam Ultracompact Sensor (1m/300mm, Red/Infrared, NPN/PNP)](https://img.prosourcemro.com/2026/05/001-331-1024x683.png)
Photoelectric
Omron
[OMRON] — E3T-ST M3-mounting Side-view Through-beam Ultracompact Sensor (1m/300mm, Red/Infrared, NPN/PNP)
Family ID: OMRON-E3T-ST-M3
OMRON E3T Series M3-mounting side-view through-beam ultracompact photoelectric sensors. Red light: 1 m (E3T-ST1xM), 300 mm (E3T-ST2xM). Infrared: 1 m (E3T-ST1xMF), 300 mm (E3T-ST2xMF). Light-ON and Dark-ON modes. NPN and PNP output. Cable 2 m. Set models listed; Emitter (-L) and Receiver (-D) available individually. Mounting screws not included — order E39-L171 SUS screw set separately. Mounting bracket E39-L166 sold separately.
16 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| E3T-ST11M 2M | M3 side-view through-beam 1 m Red light NPN Light-ON | OMRON | Sensing Distance: 1 m | Light Source: Red light | Sensing Method: Through-beam Side-view (M3 mounting, Set) | Output: NPN | Operation Mode: Light-ON | Emitter/Receiver: Order individually by adding -L (Emitter) or -D (Receiver) suffix | Mounting: M3 screws not included — order E39-L171 screw set separately | ||
| E3T-ST12M 2M | M3 side-view through-beam 1 m Red light NPN Dark-ON | OMRON | Sensing Distance: 1 m | Light Source: Red light | Sensing Method: Through-beam Side-view (M3 mounting, Set) | Output: NPN | Operation Mode: Dark-ON | Emitter/Receiver: Order individually by adding -L (Emitter) or -D (Receiver) suffix | Mounting: M3 screws not included — order E39-L171 screw set separately | ||
| E3T-ST13M 2M | M3 side-view through-beam 1 m Red light PNP Light-ON | OMRON | Sensing Distance: 1 m | Light Source: Red light | Sensing Method: Through-beam Side-view (M3 mounting, Set) | Output: PNP | Operation Mode: Light-ON | Emitter/Receiver: Order individually by adding -L (Emitter) or -D (Receiver) suffix | Mounting: M3 screws not included — order E39-L171 screw set separately | ||
| E3T-ST14M 2M | M3 side-view through-beam 1 m Red light PNP Dark-ON | OMRON | Sensing Distance: 1 m | Light Source: Red light | Sensing Method: Through-beam Side-view (M3 mounting, Set) | Output: PNP | Operation Mode: Dark-ON | Emitter/Receiver: Order individually by adding -L (Emitter) or -D (Receiver) suffix | Mounting: M3 screws not included — order E39-L171 screw set separately | ||
| E3T-ST21M 2M | M3 side-view through-beam 300 mm Red light NPN Light-ON | OMRON | Sensing Distance: 300 mm | Light Source: Red light | Sensing Method: Through-beam Side-view (M3 mounting, Set) | Output: NPN | Operation Mode: Light-ON | Emitter/Receiver: Order individually by adding -L (Emitter) or -D (Receiver) suffix | Mounting: M3 screws not included — order E39-L171 screw set separately | ||
| E3T-ST22M 2M | M3 side-view through-beam 300 mm Red light NPN Dark-ON | OMRON | Sensing Distance: 300 mm | Light Source: Red light | Sensing Method: Through-beam Side-view (M3 mounting, Set) | Output: NPN | Operation Mode: Dark-ON | Emitter/Receiver: Order individually by adding -L (Emitter) or -D (Receiver) suffix | Mounting: M3 screws not included — order E39-L171 screw set separately | ||
| E3T-ST23M 2M | M3 side-view through-beam 300 mm Red light PNP Light-ON | OMRON | Sensing Distance: 300 mm | Light Source: Red light | Sensing Method: Through-beam Side-view (M3 mounting, Set) | Output: PNP | Operation Mode: Light-ON | Emitter/Receiver: Order individually by adding -L (Emitter) or -D (Receiver) suffix | Mounting: M3 screws not included — order E39-L171 screw set separately | ||
| E3T-ST24M 2M | M3 side-view through-beam 300 mm Red light PNP Dark-ON | OMRON | Sensing Distance: 300 mm | Light Source: Red light | Sensing Method: Through-beam Side-view (M3 mounting, Set) | Output: PNP | Operation Mode: Dark-ON | Emitter/Receiver: Order individually by adding -L (Emitter) or -D (Receiver) suffix | Mounting: M3 screws not included — order E39-L171 screw set separately | ||
| E3T-ST11MF 2M | M3 side-view through-beam 1 m Infrared NPN Light-ON | OMRON | Sensing Distance: 1 m | Light Source: Infrared | Sensing Method: Through-beam Side-view (M3 mounting, Set) | Output: NPN | Operation Mode: Light-ON | Emitter/Receiver: Order individually by adding -L (Emitter) or -D (Receiver) suffix | Mounting: M3 screws not included — order E39-L171 screw set separately | ||
| E3T-ST12MF 2M | M3 side-view through-beam 1 m Infrared NPN Dark-ON | OMRON | Sensing Distance: 1 m | Light Source: Infrared | Sensing Method: Through-beam Side-view (M3 mounting, Set) | Output: NPN | Operation Mode: Dark-ON | Emitter/Receiver: Order individually by adding -L (Emitter) or -D (Receiver) suffix | Mounting: M3 screws not included — order E39-L171 screw set separately | ||
| E3T-ST13MF 2M | M3 side-view through-beam 1 m Infrared PNP Light-ON | OMRON | Sensing Distance: 1 m | Light Source: Infrared | Sensing Method: Through-beam Side-view (M3 mounting, Set) | Output: PNP | Operation Mode: Light-ON | Emitter/Receiver: Order individually by adding -L (Emitter) or -D (Receiver) suffix | Mounting: M3 screws not included — order E39-L171 screw set separately | ||
| E3T-ST14MF 2M | M3 side-view through-beam 1 m Infrared PNP Dark-ON | OMRON | Sensing Distance: 1 m | Light Source: Infrared | Sensing Method: Through-beam Side-view (M3 mounting, Set) | Output: PNP | Operation Mode: Dark-ON | Emitter/Receiver: Order individually by adding -L (Emitter) or -D (Receiver) suffix | Mounting: M3 screws not included — order E39-L171 screw set separately | ||
| E3T-ST21MF 2M | M3 side-view through-beam 300 mm Infrared NPN Light-ON | OMRON | Sensing Distance: 300 mm | Light Source: Infrared | Sensing Method: Through-beam Side-view (M3 mounting, Set) | Output: NPN | Operation Mode: Light-ON | Emitter/Receiver: Order individually by adding -L (Emitter) or -D (Receiver) suffix | Mounting: M3 screws not included — order E39-L171 screw set separately | ||
| E3T-ST22MF 2M | M3 side-view through-beam 300 mm Infrared NPN Dark-ON | OMRON | Sensing Distance: 300 mm | Light Source: Infrared | Sensing Method: Through-beam Side-view (M3 mounting, Set) | Output: NPN | Operation Mode: Dark-ON | Emitter/Receiver: Order individually by adding -L (Emitter) or -D (Receiver) suffix | Mounting: M3 screws not included — order E39-L171 screw set separately | ||
| E3T-ST23MF 2M | M3 side-view through-beam 300 mm Infrared PNP Light-ON | OMRON | Sensing Distance: 300 mm | Light Source: Infrared | Sensing Method: Through-beam Side-view (M3 mounting, Set) | Output: PNP | Operation Mode: Light-ON | Emitter/Receiver: Order individually by adding -L (Emitter) or -D (Receiver) suffix | Mounting: M3 screws not included — order E39-L171 screw set separately | ||
| E3T-ST24MF 2M | M3 side-view through-beam 300 mm Infrared PNP Dark-ON | OMRON | Sensing Distance: 300 mm | Light Source: Infrared | Sensing Method: Through-beam Side-view (M3 mounting, Set) | Output: PNP | Operation Mode: Dark-ON | Emitter/Receiver: Order individually by adding -L (Emitter) or -D (Receiver) suffix | Mounting: M3 screws not included — order E39-L171 screw set separately |
