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OMRON E3FB-RN21 | Retroreflective Photoelectric Sensor | 100 mm to 4 m, NPN, M12 4-Pin Connector
Rated for a 100 mm to 4 m detection range, OMRON's E3FB-RN21 is an M18 barrel-style retroreflective photoelectric sensor that provides NPN output. It connects via an M12 4-pin connector and the body is made of nickel-plated brass. Series designation for the E3FB-RN21 is E3F.
- LED light source
- Rated up to 30 V DC
- Maximum current: 25 mA
- 500 μs response time
- IP67 and IP69K ingress protection
- Works from -25°C to +55°C
- Detailed Description
- Specifications
- Downloads
Omron E3F Series Photoelectric Sensor, 100mm to 4 m Detection Range, NPN Output - E3FB-RN21
Features & Benefits
• 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
• 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?
Can it be used in extreme temperatures?
What is the installation process for this sensor?
How quickly does it respond to detected objects?
Built in amplifier
Short circuit and reverse polarity protection
M18 DIN size cylindrical housing
| Brand | Omron |
| Sensor Style | Barrel |
| Detection Type | Retroreflective |
| Detection Range | 100 mm → 4 m |
| Output Type | NPN |
| Switching Mode | Light / Dark switching |
| Electrical Connection | M12 4 Pin Connector |
| Maximum DC Voltage | 30V |
| Light Source | LED |
| IP Rating | IP67, IP69K |
| Maximum Current | 25 mA |
| Response Time | 500 μs |
| Series | E3F |
| Maximum Operating Temperature | +55°C |
| Housing Material | Nickel Plated Brass |
| Minimum Operating Temperature | -25°C |
| Standards Met | CE |
| Thread Size | M18 |
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