Omron E3T-ST12M 5M Ultracompact Through-Beam Photoelectric Sensor
The Omron E3T-ST12M 5M Photoelectric Sensor is an ultracompact, ultrathin photoelectric sensor with built-in amplifier designed for precise through-beam detection. It offers a 1 m sensing distance, NPN output, red LED light source, and operates on a 12 to 24 VDC power supply with Dark-ON mode for stable object detection. Manufactured by Omron, this square-type sensor features a pre-wired 5 m cable and is classified under Omron Photoelectric Sensors. It belongs to the Omron E3T Series, developed for compact industrial automation installations.
| Brand | Omron |
| Product | Photoelectric Sensors |
| Model Number | E3T-ST12M 5M |
Omron E3T-ST12M 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-ST12M 5M is an ultracompact through-beam photoelectric sensor engineered for accurate detection in space-constrained automation systems. As an ultrathin photoelectric sensor with built-in amplifier, it supports through-beam sensing, 1 m detection range, and NPN output for reliable signal switching in industrial environments.
In practical applications, the E3T-ST12M 5M photoelectric sensor is widely used in packaging machines, conveyor systems, assembly equipment, and small automation devices. Its red LED light source ensures stable detection of passing objects, while the Dark-ON operating mode supports consistent output in fast-moving production lines.
The E3T series sensor design emphasizes durability, compact mounting, and electrical stability. With 12β24 VDC operation, a 5 m pre-wired cable, and a slim square housing, the Omron E3T-ST12M 5M photoelectric sensor delivers dependable performance for long-term industrial use where precise detection and minimal installation space are critical.
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