E3FC-LN21

Name: E3FC-LN21
Brand: OMRON
SKU: E3FC-LN21

The OMRON E3FC-LN21 is a reliable photoelectric sensor with background suppression, ideal for washdown-resistant applications. It boasts a stainless steel housing, red LED light, and an M12 connector, ensuring durability and easy installation.

Product ModelE3FC-LN21

Product ID66493

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Background Suppression TechnologyThe E3FC-LN21 features advanced background suppression technology, allowing it to accurately detect objects even in complex environments.
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2. Stainless Steel HousingConstructed from high-grade stainless steel, this sensor is resistant to corrosion and can withstand harsh environments, making it perfect for industrial and food processing applications.
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3. Red LED LightEquipped with a polarity-free red LED light, the sensor provides clear visibility for easy alignment and setup.
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4. M12 ConnectorThe M12 connector ensures secure and reliable connections, making it easy to integrate the sensor into your system.
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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

Background suppression

5. IP67/IP69K ProtectionWith an IP67/IP69K rating, the E3FC-LN21 offers superior protection against dust and water, ensuring it can operate in demanding conditions.

6. Fast Response TimeThe sensor boasts a fast response time of 0.5 ms, making it suitable for high-speed applications where quick detection is crucial.

7. Durable DesignThe compact cylindrical axial design with an M18 threaded barrel enhances its durability and makes it easy to install in various settings.

8. ECOLAB ComplianceThe E3FC-LN21 is ECOLAB compliant, ensuring it meets the stringent standards required for use in food processing and other sanitary environments.

9. Power Supply FlexibilityThe sensor operates within a wide power supply voltage range of 10-30 V, providing flexibility in system design and integration.

10. Protection FeaturesEquipped with protection circuits for power supply reverse polarity, output short-circuit, and output reverse polarity, the E3FC-LN21 ensures reliable operation and minimizes downtime.

Max Sensing Distance

100 mm

Connection

M12 4-pin connector

Special Feature

Detergent resistant

Light Source

Red LED

Supply Voltage

10 to 30 VDC

Size

M18

Manufacturer ID