Omron E3JK-TR12-C 2M Photoelectric Sensor
Omron E3JK-TR12-C 2M Photoelectric Sensor is a through-beam detection sensor designed for stable long-range object sensing in industrial automation systems. This Omron Through Beam Sensor features relay output with a 5 m detection range and operates on a selectable AC/DC power supply for flexible installation across machine environments. The sensor includes emitter unit E3JK-TR12-L 2M and receiver unit E3JK-TR12-D 2M using a red LED light source for reliable signal transmission. Its pre-wired 2 m cable and mounting bracket support quick installation and dependable operation in industrial setups. Manufactured by Omron automation, it belongs to the photoelectric sensing range and the E3JK series sensors.
| Brand | Omron |
| Product | Photoelectric Sensors |
| Model Number | E3JK-TR12-C 2M |
Omron E3JK-TR12-C 2M Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Sensing Method | Through-beam |
| Sensing Distance | 5 m |
| Emitter Number | E3JK-TR12-L 2M |
| Receiver Number | E3JK-TR12-D 2M |
| Light Source | Red LED (624 nm) |
| Power Supply Voltage | 24 to 240 VDC , ripple (p-p): 10% max. 24 to 240 VAC , 50/60 Hz |
| Output Configuration | Relay |
| Connection Method | Pre Wired, Cable Length 2M |
| Power Consumption | DC: 3 W max. AC: 3 W max. |
| Operation Mode | Light-ON/Dark-ON |
| Response Time | 20 ms max |
| Sensitivity Adjustment | One-turn adjuster |
| Ambient Illumination | Incandescent lamp: 3,000 lx max., Sunlight: 11,000 lx max. |
| Ambient Temperature Range | Operating: −25°C to 55°C, Storage: −40°C to 70°C (with no icing or condensation) |
| Ambient Humidity Range | Operating: 35% to 85%, Storage: 35% to 95% (with no condensation) |
| Insulation Resistance | 20 MΩ min. at 500 VDC |
| Dielectric Strength | 1,500 VAC, 50/60 Hz for 1 min |
| Degree Of Protection | IEC 60529 IP64 |
| Material | ABS (Acrylonitrile Butadiene Styrene) |
| Weight | Approx. 350 g |
The Omron E3JK-TR12-C 2M is developed for industrial automation systems that require accurate through-beam sensing across medium-distance applications. Its relay output structure supports stable switching behavior in conveyors, packaging equipment, and automated assembly systems where reliable object detection is important. Engineers selecting this Omron Through Beam Sensor typically consider it for its dependable sensing performance and flexible installation capability.
This sensor uses a red LED light source to maintain stable signal transmission between emitter and receiver units during continuous operation. The 5 m sensing range supports accurate object presence detection in environments exposed to dust, vibration, and changing lighting conditions. Its compact structure, mounting bracket, and pre-wired 2 m cable simplify installation across machinery and industrial control layouts.
Within the E3JK sensing platform, the E3JK-TR12-C 2M configuration supports long-term industrial operation with stable sensing characteristics and electrical compatibility. Applications using this sensor depend on its reliable relay output and consistent detection response for production systems requiring uninterrupted automation performance. This relationship between model, sensing method, and application makes the Omron E3JK-TR12-C 2M a practical solution for industrial detection systems.
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