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Omron Retroreflective Photoelectric Sensor Barrel Style Detection Range 100 mm to 3 m NPN Output IP67 IP69K E3RB-RN21
Specifications
| Country of Origin | India |
|---|---|
| Brand | Omron |
| Response time | 500μs |
| Light Source | LED |
| Detection range | 100 mm → 3 m |
| Model | E3RB-RN21 |
| IP Rating | IP67, IP69K |
| Housing Material | Nickel Plated Brass |
| Output type | NPN |
| Series | E3RB |
| Maximum Operating Temperature | 55°C |
| Minimum Operating Temperature | -25°C |
| Maximum Current | 25mA |
| DetectIon Type | Retroreflective |
| Terminal type | 4-Pin M12 |
| Maximum dc Voltage | 30V dc |
| Sensor Style | Barrel |
| M18 sensor retro-reflective 4m NPN 2mBrand | Omron |
Key Features
- The sensor features a compact barrel style with nickel plated brass housing for durability.
- Output type is NPN, suitable for industrial control systems.
- It has an operating voltage up to 30V DC and max current of 25mA.
- Designed for industrial use with protection against water and dust (IP67, IP69K rated).
- Operating temperature range from -25°C to 55°C allows usage in various environments.
- Response time of 500 microseconds ensures quick detection.
- Equipped with visible LED light for easy alignment and status indication.
- Protection features include reversed power supply polarity, output short circuit, and reversed output polarity protection.
Product Description
The Omron E3RB-RN21 is a retroreflective photoelectric sensor featuring a barrel style design with a detection range from 100 mm to 3 m. It provides reliable NPN output and is housed in a durable nickel plated brass construction suitable for harsh industrial environments.
This sensor is rated IP67 and IP69K, making it resistant to dust and high-pressure water jets, ensuring long-term performance and reliability.
The sensor operates with a maximum DC voltage of 30V and maximum current of 25mA, designed to function efficiently within an operating temperature range of -25°C to 55°C. Its 4-pin M12 terminal supports easy wiring and integration.
Equipped with a visible LED indicator, the E3RB-RN21 allows for easy alignment and status monitoring from wide angles and long distances. It includes built-in protections against reversed power supply polarity, output short circuits, and reversed output polarity, enhancing operational safety.
The photoelectric sensor allows selection between light-ON or dark-ON output modes via wiring configuration, providing versatility for various automation applications.
Typical applications include industrial automation processes in food and beverage, textiles, logistics, and areas requiring nonstop detection where machinery does not stop. The sensor's compact barrel design also increases mounting flexibility.
The sensor housing is made of nickel plated brass for corrosion resistance and durability. Designed for industrial automation and control systems demanding precise object detection over distances up to 3 meters. IP67 and IP69K ratings ensure protection against dust and water ingress in challenging industrial environments.
Operational temperature from -25°C to 55°C supports wide environmental adaptability. Output protection features safeguard sensor electronics and connected equipment. Response time of 500 microseconds enables high-speed detection tasks.
Adjustable output mode supports application customization. Explore a wide range of Photoelectric Sensors and automation control equipment offered by Omron in the Electronics & Electricals category on EnvMart.
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Frequently Asked Questions
The detection range of this model is from 100 mm to 3 m.
It provides an NPN output suitable for industrial control systems.
The maximum operating voltage for this sensor is 30V DC.
The response time is 500 microseconds, allowing for quick detection.
This sensor is rated IP67 and IP69K, providing protection against dust and high-pressure water jets.
It operates within a temperature range of -25°C to 55°C.
The housing is made of nickel plated brass, which offers durability and corrosion resistance.
It features a 4-pin M12 terminal for easy wiring and integration.
It uses an LED light source for detection and alignment.
Typical applications include industrial automation processes in food and beverage, textiles, and logistics.
It includes protections against reversed power supply polarity, output short circuits, and reversed output polarity.
The output mode can be selected between light-ON or dark-ON via wiring configuration, providing versatility for various applications.
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