Omron E3JK-RN11 2M Photoelectric Sensor
The Omron E3JK-RN11 2M Photoelectric Sensor features retro-reflective detection with NPN output and a 100 mm to 7 m range using the E39-R1 reflector. It operates on a DC power supply (10–30 VDC) and belongs to the Omron automation range under the Omron Photoelectric Sensors category and the Omron E3JK Series. Equipped with a red LED light source, it comes without MSR function and includes a durable 2 m pre-wired cable for stable industrial use.
| Brand | Omron |
| Product | Photoelectric Sensors |
| Model Number | E3JK-RN11 2M |
Omron E3JK-RN11 2M Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Sensing Method | Retro-reflective without MSR function |
| Sensing Distance | When using the E39-R1: 100 mm to 7 m; When using the E39-R2: 100 mm to 11 m |
| Light Source | Red LED (624 nm) |
| Power Supply Voltage | 10 to 30 VDC |
| Output Configuration | NPN |
| Connection Method | Pre Wired, Cable Length 2M |
| Power Consumption | DC: 30 mA max. |
| Operation Mode | Light-ON/Dark-ON |
| Response Time | 1 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 |
| Protection Circuits | Power supply reverse polarity protection, Output short-circuit protection, Mutual interference prevention function, and Output reverse polarity protection |
| Degree Of Protection | EC 60529 IP64 |
| Material | ABS (Acrylonitrile Butadiene Styrene) |
| Weight | Approx. 160 g |
The Omron E3JK-RN11 2M Photoelectric Sensor is a retro-reflective sensor from the trusted Omron E3JK Series. It features a sensing range of 100 mm to 11 m using the E39-R2 reflector, and operates efficiently with a 10–30 VDC power supply. Designed with an NPN output configuration, this sensor ensures stable detection performance in automation systems. The housing is made of durable ABS material, and the IP64-rated protection allows reliable operation in dusty and humid industrial environments. This model is suitable for a wide range of industrial automation setups in India.
The Omron E3JK-RN11 2M Photoelectric Sensor is mainly used in conveyor systems, automated packaging lines, and robotic assembly stations. Its retro-reflective sensing method allows easy installation where space or mounting limitations exist. The sensor’s 1 ms response time and stable operation under variable light conditions make it highly efficient for detecting objects on moving lines. The adjustable sensitivity helps users fine-tune performance for materials with different surface colors or finishes. It is a dependable choice for object presence detection, position control, and counting applications in manufacturing plants.
With its precise detection capability and consistent output, the Omron E3JK-RN11 2M supports industrial safety and process accuracy. The 2-meter pre-wired cable design ensures easy connection with PLCs or controllers, minimizing wiring complexity. Its protection circuits—such as power supply reverse polarity and short-circuit protection—enhance operational safety. The sensor’s broad operating temperature range from −25°C to 55°C supports continuous use in demanding environments. This reinforces Omron’s reputation for reliability in photoelectric sensing solutions.
The Omron E3JK-RN11 2M Photoelectric Sensor is a retro-reflective DC-powered sensor offering an NPN output and a wide sensing range from 100 mm to 7 m when used with the E39-R1 reflector. Ideal for reliable object detection without MSR (Mutual Interference Suppression) functionality, it ensures stable operation in industrial automation systems. For users needing the same configuration with MSR, the Omron E3JK-RN12 2M Photoelectric Sensor provides a slightly shorter 6 m range for enhanced interference resistance. The Omron E3JK-RN13 2M Photoelectric Sensor offers the same 7 m detection distance but uses an infrared LED for better performance in dusty or ambient light conditions. Alternatively, for users preferring PNP output with longer 10 m retro-reflective sensing using the E39-R2 reflector, the Omron E3JK-RP12 2M Photoelectric Sensor is an excellent choice for extended-range and flexible wiring applications.
In summary, the Omron E3JK-RN11 2M Photoelectric Sensor is a high-quality retro-reflective model within the Omron E3JK Series, tailored for diverse industrial automation applications. With a 10–30 VDC power supply, NPN output, and up to 11 m sensing range, it ensures dependable object detection and stable operation. Its robust ABS construction and IP64 protection make it ideal for industries seeking long-term, low-maintenance sensing performance.
