E3FC-RP21

Name: E3FC-RP21
Brand: OMRON
SKU: E3FC-RP21

The Omron E3FC-RP21 is a reliable, retro-reflective photoelectric sensor with a stainless steel housing and M18 thread. It offers a sensing distance of 4 meters and operates with a response time of 0.5 ms, making it suitable for various industrial applications.

Product ModelE3FC-RP21

Product ID66501

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Retro-Reflective TechnologyThe E3FC-RP21 uses retro-reflective technology, ensuring accurate detection of objects over a long sensing distance of 4 meters. This technology enhances the sensor's reliability and precision in industrial settings.
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2. Stainless Steel HousingThe sensor features a durable stainless steel housing, providing excellent resistance to corrosion and harsh environments. This makes it ideal for use in washdown applications and areas with high humidity.
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3. M18 ThreadThe E3FC-RP21 is equipped with an M18 threaded barrel, allowing for easy installation and secure mounting in various industrial settings. This thread size ensures a robust connection, minimizing the risk of loose connections.
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4. PNP OutputThe sensor offers a PNP output, which is commonly used in industrial automation systems. This output type provides a clear and reliable signal, facilitating easy integration with other devices and control systems.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Housing Material

Stainless Steel, 316L

Body Type

Threaded Cylindrical

Operation

L-ON/D-ON selectable

Sensing Direction

Straight

Type

Detergent Resistant Short Body

Sensing Method

Retro-reflective

5. IP67/IP69K ProtectionThe E3FC-RP21 is designed with IP67/IP69K protection, ensuring the sensor remains operational even in harsh environments. This level of protection makes it suitable for use in areas exposed to water, dust, and extreme temperatures.

6. Manual AdjustmentThe sensor allows for manual adjustment of the sensing distance, providing flexibility in setting up the detection range according to specific application requirements. This feature ensures optimal performance in various industrial scenarios.

7. Fast Response TimeWith a response time of 0.5 ms, the E3FC-RP21 provides fast and accurate detection of objects. This quick response time is crucial in applications requiring rapid feedback, such as in high-speed production lines or conveyor systems.

8. Light-ON/Dark-ON Operation ModesThe sensor operates in both Light-ON and Dark-ON modes, offering flexibility in application setup. This dual operation mode allows users to choose the most suitable configuration based on their specific needs, enhancing the sensor's versatility.

9. Polarized Red LightThe E3FC-RP21 uses a polarized red light source, which enhances the visibility and accuracy of the detection process. The polarized light helps reduce interference from ambient light, ensuring reliable operation in various lighting conditions.

10. M12 ConnectorThe sensor features an M12 connector for easy connection to other devices. This connector type provides a secure and reliable connection, minimizing the risk of signal loss or interference in industrial settings.

11. ECOLAB ComplianceThe E3FC-RP21 is ECOLAB compliant, making it suitable for use in food processing and other sanitary environments. This compliance ensures the sensor meets stringent hygiene standards, making it an excellent choice for applications requiring high cleanliness.

12. Washdown ResistantThe sensor is designed to be washdown resistant, allowing it to withstand exposure to water and cleaning agents. This feature makes it ideal for use in areas where frequent cleaning is necessary, such as in the food processing industry.

Max Sensing Distance

4 m

Connection

M12 4-pin connector

Special Feature

Detergent resistant

Light Source

Red LED

Supply Voltage

10 to 30 VDC

Size

M18

Manufacturer ID