Many engineers reviewing Omron E3JK-R4M2 also explore Omron SMPS 24V 10A, E3Z D61 2M and Omron Sensors, ensuring they don’t miss strong alternatives before finalizing procurement decisions.
Omron E3JK-R4M2 Photoelectric Sensor
The Omron E3JK-R4M2 Photoelectric Sensor features retro-reflective type, Relay output, and 4 m sensing distance for accurate detection. It operates on a Red LED light source with Dark-ON operation mode and is part of the Omron industrial automation lineup under the Omron Photoelectric Sensors category and the Omron E3JK Series. Designed for precision and reliability, it ensures consistent performance across various industrial environments.
| Brand | Omron |
| Product Type | Photoelectric Sensor |
| Model Number | E3JK-R4M2 |
Omron E3JK-R4M2 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Sensing Method | Retroreflective |
| Sensing Distance | 4 m |
| Light Source | Red LED |
| Power Supply Voltage | 50/60 Hz 12 to 240 VDC , 24 to 240 VAC ±10 |
| Current Consumption | 2 W max. |
| Control Output | Relay output: 3 A max. at 250 VAC (cosφ = 1), 10 mA min. at 5 VDC |
| Operation Mode | Dark-ON mode |
| Response Time | 30 ms max. |
| Sensitivity Adjustment | Fixed |
| Indicators | Light (red) |
| Ambient Temperature Range | Operating: –25°C to 55°C (with no icing) |
| Material | Plastic |
The Omron E3JK-R4M2 Photoelectric Sensor is designed for accurate object detection in industrial environments. It belongs to the Omron E3JK Series and features a retroreflective sensing system with a 4 m sensing range. The sensor operates on a 12–240 VDC / 24–240 VAC power supply and offers a relay output with dark-ON operation. Its stable performance and simple setup make it suitable for continuous use in automation and control systems across India.
In automation lines, the Omron E3JK-R4M2 Photoelectric Sensor is widely used for detecting objects on conveyors, packaging lines, and component feeders. It helps maintain efficient product flow by providing reliable detection regardless of surface color or background reflection. Its compact plastic body and wide voltage range make it compatible with different control panels and relay-based circuits used in manufacturing, logistics, and material handling industries.
This model is preferred by engineers who need stable, long-distance sensing with minimal adjustment requirements. Its red LED light source enables clear alignment during installation, while its 30 ms response time ensures consistent switching in fast-moving setups. The E3JK-R4M2 offers dependable performance between –25°C and 55°C, supporting continuous operation in varied industrial environments without degradation.
The Omron E3JK-R4M2 Photoelectric Sensor is a retro-reflective type sensor featuring a 4 m sensing distance, red LED light source, Dark-ON operation mode, and reliable relay output for stable object detection in industrial environments. For users who prefer a Light-ON configuration, the Omron E3JK-R4M1 Photoelectric Sensor offers the same 4 m retro-reflective sensing with red LED illumination and relay output. If a shorter sensing distance is required, the Omron E3JK-R2M2 Photoelectric Sensor provides 2.5 m detection range while maintaining Dark-ON operation and relay output. For applications demanding higher precision with a through-beam setup, the Omron E3JK-5M2 Photoelectric Sensor extends detection to 5 m using an infrared LED and Dark-ON operation for long-distance sensing reliability.
In summary, the Omron E3JK-R4M2 Photoelectric Sensor delivers accurate and consistent detection over a 4 m range with a robust relay output and dark-ON control mode. It reflects the durability and quality expected from Omron’s industrial automation products, offering a dependable choice for system integrators and OEMs looking to enhance machine reliability and process control.
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