Before procurement teams confirm E3JK-TN12-2M, they typically review Omron Photoelectric Sensor, E3Z D61 2M and Omron Sensors to double-check performance ratings, stock availability, and supplier credibility carefully.
Omron E3JK-TN12 2M Photoelectric Sensor
The Omron E3JK-TN12 2M Photoelectric Sensor features a through-beam type with NPN output and a reliable 5 m sensing distance. It operates on a DC power supply and is part of the Omron industrial automation lineup, listed under the Omron Photoelectric Sensors category and the Omron E3JK Series. This model includes an Emitter: E3JK-TN12-L 2M and Receiver: E3JK-TN12-D 2M, uses a red LED light source, and comes pre-wired with a 2 m cable for dependable performance in automation systems.

| Brand | Omron |
| Product Type | Photoelectric Sensors |
| Model Number | E3JK-TN12 2M |
Omron E3JK-TN12 2M Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Shape | square body |
| Sensing Method | Through-beam |
| Emitter Number | E3JK-TN12-L 2M |
| Receiver Number | E3JK-TN12-D 2M |
| Sensing Distance | 5 m |
| Light Source (wavelength) | Red LED (624 nm) |
| Connection Method | Pre Wired Cable, 2M Length |
| Power Supply Voltage | 10 to 30 VDC |
| Output Configuration | NPN |
| Power Consumption | 40 mA max. |
| Operation Mode | Light-ON/Dark-ON |
| Response time | 20 ms max. |
| Degree of protection | IEC: IP64 |
| Material Case | ABS (Acrylonitrile Butadiene Styrene) |
| Material Cable | PVC |
| Material Lens | Methacrylic resin |
| Features | Multi voltage power supply |
| Weight | 300g |
The Omron E3JK-TN12 2M Photoelectric Sensor is a through-beam type sensor featuring a 5 m sensing range, NPN output, and 10–30 VDC operating voltage. It belongs to the Omron E3JK Series and is built for industrial automation systems where long-distance object detection and reliable operation are critical. With its IP64 protection rating and durable ABS housing, this model ensures consistent detection performance in dusty or moisture-prone environments across factory floors.
Engineered under the E3JK Series, the E3JK-TN12 2M uses a red LED light source for stable signal transmission between emitter and receiver units. Its quick 20 ms response time and selectable Light-ON/Dark-ON modes make it versatile for a wide range of applications. The pre-wired 2-meter cable connection simplifies integration into automated systems and enhances installation flexibility in both compact and large-scale setups.
In industrial applications, the Omron E3JK-TN12 2M Photoelectric Sensor is ideal for use in conveyor systems, packaging lines, and automated assembly machines. It detects the presence or absence of products, ensures correct material positioning, and supports safety control functions. The through-beam method allows precise and stable sensing even over long distances, minimizing false triggers caused by background reflections or ambient light.
The sensor’s strong resistance to electrical noise and its stable detection characteristics make it suitable for both indoor and semi-outdoor use. Its low power consumption of just 40 mA helps maintain energy efficiency across automation systems. Additionally, its methacrylic resin lens ensures optical clarity and long service life, reducing maintenance costs for industrial operators.
The Omron E3JK-TN12 2M Photoelectric Sensor is a through-beam type sensor featuring an Emitter: E3JK-TN12-L 2M and Receiver: E3JK-TN12-D 2M, offering a 5 m sensing distance with a red LED light source, NPN output, and a pre-wired 2 m cable for stable, long-range detection. For extended 40 m detection range, the Omron E3JK-TN11 2M Photoelectric Sensor delivers superior performance using the same red LED and NPN output. When infrared LED sensing is preferred for enhanced resistance to ambient light, the Omron E3JK-TN13 2M Photoelectric Sensor provides a 40 m range, while the Omron E3JK-TN14 2M Photoelectric Sensor maintains the same 5 m range with infrared emission. The Omron E3JK-TN12 2M ensures precise object detection in automated systems, ideal for conveyors, packaging, and positioning tasks requiring reliable sensing performance.
Overall, the Omron E3JK-TN12 2M Photoelectric Sensor combines range, durability, and operational stability to meet modern industrial demands. It reinforces Omron’s reliability in photoelectric sensing technology within the E3JK Series. For engineers and automation professionals seeking a dependable through-beam sensor for consistent object detection, the E3JK-TN12 2M provides a practical and efficient choice for continuous industrial operation.




