Omron Retroreflective Photoelectric Sensor, Barrel Sensor, 100 mm → 4 m Detection Range

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RS Stock No.:
775-4221
Mfr. Part No.:
E3FB-RN21
Brand:
Omron
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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

Minimum Operating Temperature

-25°C

Maximum Operating Temperature

+55°C

Housing Material

Nickel Plated Brass

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

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

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

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