In sourcing discussions, E3JM-R4M4 is often placed next to Omron Photoelectric Sensor, Omron E3Z Sensor and Omron Sensors so procurement teams can align budgets and technical requirements effectively.
Omron E3JM-R4M4 Photoelectric Sensor
The Omron E3JM-R4M4 Photoelectric Sensor is a retro-reflective model with MSR function, offering a 4 m sensing distance when using the E39-R1 reflector and relay output for dependable performance. It operates on 12 to 240 VDC or 24 to 240 VAC power supply and belongs to the Omron automation range under the Omron Photoelectric Sensors category and the Omron E3JM Series. Featuring a red LED (660 nm) light source, Light-ON/Dark-ON selectable mode, SPDT control output, 30 ms response time, terminal block connection, and IP66 protection, this AC/DC power-free sensor ensures high reliability in harsh industrial environments.
| Brand | Omron |
| Product Type | Photoelectric Sensor |
| Model Number | E3JM-R4M4 |
Omron E3JM-R4M4 Photoelectric Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Sensing Method | Retroreflective with MSR function |
| Sensing Distance | 4 m (When using E39-R1) |
| Standard Sensing Object | Opaque: 75-mm dia. min. |
| Light Source | Red LED (660 nm) |
| Power Supply Voltage | 12 to 240 VDC, ripple (p-p): 10% max. 24 to 240 VAC, 50/60 Hz |
| Output configuration | Relay |
| Connection Method | Terminal block |
| Power Consumption | 2 W max., 2 W max. |
| Control Output | SPDT, 250 VAC, 3A (cosΟ=1) max., 5 VDC, 10 mA min. |
| Operation Mode | Light-ON Dark-ON (switch selectable) |
| Response Time | Operate or reset: 30 ms max. |
| Timer Function | ON-delay/OFF-delay/One-shot delay switch selectable |
| Ambient Illumination | Incandescent lamp: 3,000 lx max. |
| Ambient Temperature Range | Operating: β25Β°C to 55Β°C, Storage: β30Β°C to 70Β°C (with no icing or condensation) |
| Ambient Humidity Range | Operating: 45% to 85% (with no condensation), Storage: 35% to 95% (with no condensation) |
| Insulation Resistance | 20 MΞ© min. at 500 VDC |
| Dielectric Strength | 2,000 VAC, 50/60 Hz for 1 min. |
| Vibration Resistance | 10 to 55 Hz, 1.5-mm double amplitude for 2 hours each in X, Y, and Z directions |
| Shock Resistance | 500 m/s2 3 times each in X, Y, and Z directions, 100 m/s2 3 times each in X, Y, and Z directions |
| Degree of Protection | IEC 60529: IP66 |
| Material | ABS (Acrylonitril Butadiene Styrene), Methacrylic resin, Polycarbonate, Iron |
| Weight | Approx. 160 g |
The Omron E3JM-R4M4 delivers consistent performance with a sensing distance of 4 meters (when paired with E39-R1 reflector) and features a 660 nm red LED light source. Designed with a retroreflective sensing method and built-in MSR (Mutual Interference Prevention) functionality, it ensures accurate detection even in reflective environments. With a broad input voltage range of 12 to 240 VDC/AC and relay output (SPDT), it offers high compatibility with existing automation systems.
This sensor is trusted for its rugged durability, featuring IP66-rated housing and reliable operation under ambient illumination up to 3,000 lx. It includes a 30 ms response time, adjustable delay timer (ON, OFF, and one-shot), and selectable Light-ON/Dark-ON modes. Constructed with durable materials such as ABS, methacrylic resin, and polycarbonate, and equipped with strong vibration and shock resistance, the E3JM-R4M4 is a long-lasting solution for automated detection tasks.
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