Omron E3JK-RR11 2M Retro-Reflective Photoelectric Sensor
The E3JK-RR11 2M is a Retro-reflective Photoelectric Sensor designed for reliable non-contact object detection in industrial automation environments. Built with a ABS housing, this sensor uses a red LED light source and delivers a sensing distance of up to 7 meters when used with a compatible reflector. It supports AC/DC wide-range power supply (24–240 V), features a relay output, and allows Light-ON/Dark-ON operation selection. Manufactured by Omron, the E3JK-RR11 belongs to the Omron Photoelectric Sensors, recognized for built-in power supply design, stable optical performance, and long-term industrial reliability.
| Brand | Omron |
| Product | Photoelectric Sensor |
| Model Number | E3JK-RR11 2M |
Omron E3JK-RR11 2M Retro-Reflective Photoelectric Sensor – Technical Overview
| Specification | Value |
|---|---|
| Sensing Method | Retro-reflective |
| Sensing Distance | 100 mm to 7 m (with E39-R1 reflector) |
| Output | Relay |
| Connection Method | Pre-wired Cable, 2 m Length |
| Operation Mode | Light-ON / Dark-ON selectable |
| Light Source | Red LED |
| Response Time | 20 ms max. |
| Power Supply | 24–240 V AC/DC, 50/60 Hz |
| Degree of Protection | IP64 |
| Material | ABS |
| Features | Without M.S.R. |
The Omron E3JK-RR11 2M is widely recognized as an Omron retro-reflective photoelectric sensor engineered for consistent object detection across varied industrial applications. With a relay output and a 20 ms response time, the sensor ensures stable switching performance in standard automation processes. Its retro-reflective sensing principle allows accurate detection using reflectors while maintaining immunity to target color variations.
In industrial environments, the E3JK-RR11 photoelectric sensor is commonly used in conveyor systems, packaging machines, material handling equipment, and assembly lines. The square ABS housing provides mechanical durability, while the 2 m pre-wired cable simplifies installation inside control panels. The sensor’s AC/DC power compatibility supports flexible integration across mixed-voltage systems.
Designed for long-term operation, the E3JK-RR11 operates reliably under wide temperature and humidity ranges with strong insulation and electrical protection characteristics. Its red LED light source, selectable operation modes, and stable optical output make it suitable for continuous industrial use where dependable retro-reflective sensing is required.