Omron E3T-ST14M 5M Through-Beam Photoelectric Sensor
The Omron E3T-ST14M 5M Photoelectric Sensor is an ultracompact, ultrathin photoelectric sensor with built-in amplifier designed for precise object detection. It is a through-beam, M3-mounting sensor offering a 1 m sensing distance with PNP output, red LED light source, and stable operation on a 12 to 24 VDC power supply in Dark-ON mode. Manufactured by Omron, this sensor is part of the Omron Photoelectric Sensors range and belongs to the Omron E3T Series.

| Brand | Omron |
| Product | Photoelectric Sensors |
| Model Number | E3T-ST14M 5M |
Omron E3T-ST14M 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 | PNP |
| 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-ST14M 5M is a compact through-beam photoelectric sensor developed for applications requiring accurate detection in limited spaces. As an ultracompact, ultrathin photoelectric sensor with built-in amplifier, it combines through-beam sensing, 1 m detection range, and PNP output in a slim housing suitable for high-density mounting. The integrated red LED ensures consistent optical performance across automation environments.
In industrial applications, this M3-mounting sensor is commonly used in assembly lines, packaging machines, electronic component handling, and small-part detection systems. The through-beam operating principle allows reliable detection of transparent, reflective, or irregular objects. Its pre-wired 5 m cable length supports flexible installation in compact control panels and machinery layouts.
The Omron E3T-ST14M 5M is designed for long-term industrial operation with stable electrical characteristics and dependable sensing accuracy. Operating on a 12β24 VDC supply with Dark-ON mode, it supports consistent performance in automated production environments. Engineers selecting sensors from the Omron E3T Series value this model for its space-saving design, system compatibility, and reliable detection in precision automation tasks.




