Omron E3T-ST12 5M Photoelectric Sensor
The Omron E3T-ST12 5M photoelectric sensor is an ultracompact through-beam unit with built-in amplifier for automation and precise detection. Designed as an Ultracompact, Ultrathin Photoelectric Sensor with Built-in Amplifier, it offers Through-beam sensing up to 1 m, NPN output, Red LED light source, and operates on 12 to 24 VDC with Dark-ON mode. Manufactured by Omron, this sensor is part of the Omron Photoelectric Sensors category and belongs to the Omron E3T Series.
| Brand | Omron |
| Product | Photoelectric Sensors |
| Model Number | E3T-ST12 5M |
Omron E3T-ST12 5M Photoelectric Sensor - Technical Specifications
| Specification | Value |
|---|---|
| Sensing Method | Through-beam |
| Shape | Square type |
| Sensing Distance | 1 m |
| Power Supply Voltage | 12 to 24 VDC |
| Output Configuration | NPN |
| Connection Method | Pre-wired cable length 5m |
| Current Consumption | 30 mA max. (Emitter 10 mA max., Receiver 20 mA max.) |
| Light Source (Wavelength) | Red LED |
| Operation Mode | Dark-ON |
| Response Time | 1 ms max. |
| Degree Of Protection | IP67 |
| Material | Polybutylene terephthalate |
| Material Lens | Denatured Polyarylate |
| Weight | 40g |
The Omron E3T-ST12 5M is a square-type through-beam photoelectric sensor developed for space-constrained industrial automation systems. It combines an ultrathin body with a built-in amplifier, enabling stable object detection using a Red LED light source and consistent signal output in compact installations.
This through-beam photoelectric sensor supports 1 m sensing distance with NPN output and Dark-ON operation, making it suitable for conveyor systems, packaging lines, and small automation assemblies. The pre-wired 5 m cable length allows flexible mounting while maintaining reliable electrical connection.
Operating on a 12β24 VDC power supply, the E3T-ST12 5M ensures dependable performance in industrial environments requiring precise detection and noise-resistant operation. As part of the E3T Series, it aligns with standard photoelectric sensor applications where compact size, through-beam sensing, and consistent detection accuracy are essential.
