E3FB-RP21

Name: E3FB-RP21
Brand: OMRON
SKU: E3FB-RP21

The OMRON E3FB-RP21 is a compact, metal-housed photoelectric sensor with a retroreflective sensing method, offering a 4m sensing distance and manual adjustment. It features a polarized red LED light and a PNP output, making it suitable for various industrial applications.

Product ModelE3FB-RP21

Product ID66439

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
1. High Sensing DistanceThe E3FB-RP21 offers a sensing distance of up to 4000 mm, ensuring reliable detection in a wide range of applications.
2
2. Retroreflective Sensing MethodUtilizing a retroreflective sensing method, this sensor provides accurate detection even in environments with reflective surfaces.
3
3. Compact DesignWith a cylindrical axial shape and M18 threaded barrel, the E3FB-RP21 is designed for easy integration into various industrial settings.
4
4. Manual AdjustmentThe sensor allows for manual adjustment of the sensing distance, providing flexibility in setting up the detection range according to specific needs.
5

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Body Type

Threaded Cylindrical

Housing Material

Nickel-Plated Brass

Operation

L-ON/D-ON selectable

Sensing Direction

Straight

Size

M18

Type

Short body

5. Durable ConstructionBuilt with a brass, nickel-plated housing and rated for IP67/IP69K protection, the E3FB-RP21 ensures robust performance in harsh industrial environments.

6. Fast Response TimeThe sensor features a response time of 0.5 ms, ensuring quick and accurate detection of objects within its sensing range.

7. Powerful OutputWith a maximum output current of 100 mA and a rated control supply voltage of 10-30 V DC, the E3FB-RP21 provides reliable and consistent performance.

8. Versatile Operation ModesAvailable in both Light-ON and Dark-ON operation modes, the E3FB-RP21 can be configured to suit various application requirements.

9. High Switching FrequencyCapable of switching frequencies up to 1000 Hz, this sensor ensures efficient operation in high-speed applications.

10. Easy ConnectionFeaturing a connector M12, the E3FB-RP21 offers easy and secure connection to other devices in your industrial setup.

Max Sensing Distance

4 m

Connection

M12 4-pin connector

Light Source

Red LED

Supply Voltage

10 to 30 VDC