Omron Through Beam Photoelectric Sensor, Barrel Sensor, 20 m Detection Range

RS Stock No.:: 768-5872
Mfr. Part No.:: E3FA-TP21
Brand:: Omron

Omron Through Beam Photoelectric Sensor, Barrel Sensor, 20 m Detection Range

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£93.50

(exc. VAT)

£112.20

(inc. VAT)

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In Stock

5 unit(s) ready to ship
Plus 7 unit(s) shipping from 09 December 2025

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RS Stock No.:: 768-5872
Mfr. Part No.:: E3FA-TP21
Brand:: Omron

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Omron
	Sensor Style	Barrel
	Detection Type	Through Beam
	Detection Range	20 m
	Output Type	PNP
	Electrical Connection	M12 4 Pin Connector
	Maximum DC Voltage	30V
	Light Source	LED
	IP Rating	IP67, IP69K
	Maximum Current	40 mA
	Response Time	500 μs
	Maximum Operating Temperature	+55°C
	Minimum Operating Temperature	-25°C
	Housing Material	ABS
	Series	E3F

	Select all
	Brand Omron
	Sensor Style Barrel
	Detection Type Through Beam
	Detection Range 20 m
	Output Type PNP
	Electrical Connection M12 4 Pin Connector
	Maximum DC Voltage 30V
	Light Source LED
	IP Rating IP67, IP69K
	Maximum Current 40 mA
	Response Time 500 μs
	Maximum Operating Temperature +55°C
	Minimum Operating Temperature -25°C
	Housing Material ABS
	Series E3F

COO (Country of Origin):: DE

E3FA Compact Photoelectric Sensors

The E3FA range of compact photoelectric sensors from Omron are simple and quick to mount and easy to set up due to the large adjuster and high power LED indicator making alignment easier. The status LED indicators of these photoelectric sensors can also be seen easily, from long distances and wide angles. The E3FA series sensors are typically installed in industrial plants such as food and beverage, textiles, food and logistics and are also designed especially for non stop detection for areas where machines never stop.

Cylindrical straight type
Compact design
Plastic housing
Visible LED light for easy alignment
LED indication
Light-ON/Dark-ON selectable by wiring
Reversed power supply polarity protection, output short circuit protection and reversed output polarity protection

Omron E3F Series Photoelectric Sensor, 20m Detection Range, PNP Output Type - E3FATP21

This photoelectric sensor falls under the Omron E3F series and is designed for reliable detection in automation applications. Featuring a through beam detection method, this sensor can accurately sense objects within a range of up to 20 m. Its durable ABS housing ensures longevity, while the IP67 and IP69K ratings provide protection against dust and water ingress, making it suitable for various industrial environments.

Features & Benefits

• High detection range of 20m for versatile applications
• PNP output enhances integration with standard control systems
• M12 4 pin connector simplifies electrical connections
• LED light source ensures clear visibility and longevity
• Rapid response time of 500 μs increases operational efficiency
• Operates effectively in extreme temperatures from -25 °C to +55 °C

Applications

• Used in conveyor systems for precise item detection
• Suitable for automated assembly lines requiring consistent monitoring
• Ideal for packaging machinery where reliable object detection is crucial
• Employed in harsh industrial environments due to its robust construction

What type of electrical connection does this sensor use?

This sensor employs an M12 4 pin connector, making it easy to integrate into existing systems and ensuring secure connections.

How does it perform in varying temperatures?

The design allows operation in temperatures ranging from -25 °C to +55 °C, ensuring reliable performance in extreme conditions typical of industrial settings.

What makes this sensor suitable for high-traffic areas?

The through beam detection method offers high sensitivity and a long-range detection of 20m, making it adept at handling fast-moving objects in busy environments.

Which output type is provided by this sensor?

It features a PNP output, which is commonly used in automation systems for efficient signal transmission and compatibility with various control devices.

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