Description
The Omron E3B2-R5M4-US is a retroreflective photoelectric sensor designed for reliable object detection up to 5 meters using an infrared beam. It offers both light-on and dark-on operation modes with a relay SPDT output, making it suitable for a wide range of industrial automation and material handling applications.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Omron |
| Category |
Sensors |
| Part Number |
E3B2-R5M4-US |
| Subcategory |
Photoelectric Sensor |
| Series |
E3B2 Series |
| Sensing Method |
Retroreflective |
| Sensing Distance |
5 m |
| Light Source |
Infrared LED |
| Response Time |
30 ms |
| Output Type |
Relay SPDT |
| Operation Modes |
Light-On / Dark-On |
| Supply Voltage |
12–240 VDC / 24–240 VAC |
| Minimum Object Size |
80 mm diameter opaque object |
| Material |
Plastic housing |
| IP Rating |
IP66 |
| NEMA Rating |
1, 3, 4, 12, 13 |
| Features |
Mutual interference prevention, reverse polarity protection, sensitivity adjustment |
| Standards |
UL Listed, CSA Certified |
| Mounting Style |
Panel or bracket mount |
| Operating Temperature |
–25°C to +55°C |
| Weight |
Approx. 150 g |
Information About E3B2-R5M4-US
The E3B2-R5M4-US is part of Omron’s E3B2 series of robust photoelectric sensors engineered for high durability and flexibility in harsh industrial environments. Using a retroreflective sensing method, it detects opaque objects as small as 80 mm in diameter without requiring a separate receiver. The sensor supports a wide voltage range of 12–240 VDC or 24–240 VAC, ensuring compatibility with various control systems. With built-in features such as mutual interference prevention, reverse polarity protection, and adjustable sensitivity, the E3B2-R5M4-US delivers consistent and stable detection performance in manufacturing, packaging, and conveyor applications.
Key Features:
- Retroreflective Sensing: Detects targets using an infrared beam and reflector for simplified installation.
- Long Sensing Range: Provides a 5-meter detection distance for large or distant object sensing.
- Wide Voltage Range: Operates on 12–240 VDC or 24–240 VAC, suitable for multiple system types.
- Relay SPDT Output: Enables flexible connection with various control and signaling devices.
- Dual Operation Modes: Supports both light-on and dark-on configurations for versatile detection logic.
- Fast Response: 30 ms response time ensures timely signal output in fast-moving processes.
- High Protection Rating: IP66 and NEMA 1, 3, 4, 12, 13 enclosure ratings provide protection against dust and moisture.
- Safety and Compliance: Certified by UL and CSA for industrial use.
The E3B2-R5M4-US delivers the reliability and precision required for industrial object detection and automation control.
