Omron Retroreflective Photoelectric Sensor, Barrel Sensor, 100 mm → 4 m Detection Range
- RS Stock No.:
- 775-4221
- Mfr. Part No.:
- E3FB-RN21
- Brand:
- Omron
Subtotal (1 unit)*
£71.90
(exc. VAT)
£86.28
(inc. VAT)
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- 10 unit(s) shipping from 09 December 2025
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Units | Per unit |
---|---|
1 + | £71.90 |
*price indicative
- RS Stock No.:
- 775-4221
- Mfr. Part No.:
- E3FB-RN21
- Brand:
- Omron
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
---|---|---|
Brand | Omron | |
Sensor Style | Barrel | |
Detection Type | Retroreflective | |
Detection Range | 100 mm → 4 m | |
Output Type | NPN | |
Electrical Connection | M12 4 Pin Connector | |
Switching Mode | Light / Dark switching | |
Maximum DC Voltage | 30V | |
Light Source | LED | |
IP Rating | IP67, IP69K | |
Maximum Current | 25 mA | |
Response Time | 500 μs | |
Maximum Operating Temperature | +55°C | |
Housing Material | Nickel Plated Brass | |
Series | E3F | |
Minimum Operating Temperature | -25°C | |
Thread Size | M18 | |
Standards Met | CE | |
Select all | ||
---|---|---|
Brand Omron | ||
Sensor Style Barrel | ||
Detection Type Retroreflective | ||
Detection Range 100 mm → 4 m | ||
Output Type NPN | ||
Electrical Connection M12 4 Pin Connector | ||
Switching Mode Light / Dark switching | ||
Maximum DC Voltage 30V | ||
Light Source LED | ||
IP Rating IP67, IP69K | ||
Maximum Current 25 mA | ||
Response Time 500 μs | ||
Maximum Operating Temperature +55°C | ||
Housing Material Nickel Plated Brass | ||
Series E3F | ||
Minimum Operating Temperature -25°C | ||
Thread Size M18 | ||
Standards Met CE | ||
- COO (Country of Origin):
- ID
Omron E3F Series Photoelectric Sensor, 100mm to 4 m Detection Range, NPN Output - E3FB-RN21
This photoelectric sensor plays a key role in detecting object presence within industrial applications. Primarily designed for automation and control systems, it performs well across various conditions. As a retroreflective sensor, it offers a detection range of 100mm to 4m, making it applicable in the electronics, electrical, and mechanical industries.
Features & Benefits
• NPN output for direct connection in control systems
• Compact barrel-style housing for straightforward installation
• IP67 and IP69K ratings for protection against dust and moisture
• Quick response time of 500μs for efficient performance
• Utilises an M12 connector for easy electrical connection
• Compact barrel-style housing for straightforward installation
• IP67 and IP69K ratings for protection against dust and moisture
• Quick response time of 500μs for efficient performance
• Utilises an M12 connector for easy electrical connection
Applications
• Object detection in conveyor systems
• Presence sensing in packaging machinery
• Assembly line automation for quality assurance
• Material handling systems to prevent collisions
• Robotics for accurate movement tracking
• Presence sensing in packaging machinery
• Assembly line automation for quality assurance
• Material handling systems to prevent collisions
• Robotics for accurate movement tracking
What type of output does it use for signalling?
It features an NPN output, enabling direct connection to control systems.
Can it be used in extreme temperatures?
Yes, it operates within a temperature range of -25 to +55°C.
What is the installation process for this sensor?
It can be easily installed using standard M12 connector fittings.
How quickly does it respond to detected objects?
The sensor has a rapid response time of 500μs, ensuring timely detection.
E3F2 Series Barrel
Output can be configured by wiring either light ON or dark ON
Built in amplifier
Short circuit and reverse polarity protection
M18 DIN size cylindrical housing
Built in amplifier
Short circuit and reverse polarity protection
M18 DIN size cylindrical housing
Related links
- Omron Retroreflective Photoelectric Sensor 100 mm → 4 m Detection Range
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- Omron Retroreflective Photoelectric Sensor 100 mm → 500 mm Detection Range
- Omron Retroreflective Photoelectric Sensor 100 mm → 4 m Detection Range
- Omron Clear Object Detection Photoelectric Sensor 100 mm → 2 m Detection Range
- Omron Retroreflective Photoelectric Sensor 0 → 500 mm Detection Range
- Omron Background Suppression Photoelectric Sensor 100 mm Detection Range