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Allen Bradley 42KL-F2LBL-F4 Through-Beam Sensor

Allen Bradley 42KL Series Through-Beam Sensor

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ManufacturerAllen Bradley

Part number42KL-F2LBL-F4

Sensing Mode Through-beam

Sensing Range 30 m

Light Source Visible Red Light

Output Type NPN

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Through-beam sensing Visible red light 30m sensing range NPN output M12 connector Reliable long-range detection

Product description

The Allen Bradley 42KL-F2LBL-F4 is a photoelectric sensor from the 42KL Series, utilizing through-beam sensing technology. This sensor type offers excellent performance with a long sensing range of up to 30 meters. It uses a visible red light source and features an NPN output, making it suitable for many automation tasks. The sensor is equipped with a standard M12 connector for straightforward installation.

This through-beam sensor is ideal for detecting objects across wide openings or long distances, such as on high-speed conveyor lines, for gate control, or in pallet detection systems. Industries that benefit include logistics, warehousing, material handling, and large-scale manufacturing.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the 42KL-F2LBL-F4. We provide a dependable source for quality industrial automation components to keep your operations running efficiently.

Technical specifications

Sensing Mode	Through-beam
Sensing Range	30 m
Light Source	Visible Red Light
Output Type	NPN
Connection	M12 Connector
Voltage	10-30 VDC

Common applications

Conveyor belt detection

Gate control

Pallet detection

Long-distance object sensing

Automated warehousing

Material flow control

Compatible systems

Standard DC voltage inputs

Also known as

Allen Bradley 42KL through-beam 42KL-F2LBL-F4 sensor AB through-beam sensor

Replaces / compatible with

This through-beam sensor is part of the Allen Bradley 42KL series and is suitable for applications requiring long-range detection where a separate emitter and receiver are used.

Technical note

Expert tip

Requires a separate emitter and receiver pair for operation; ensure proper alignment for maximum range.

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Frequently asked questions

What is the maximum sensing range of the Allen Bradley 42KL-F2LBL-F4?

The Allen Bradley 42KL-F2LBL-F4 photoelectric sensor has a maximum sensing range of 30 meters when used in a through-beam configuration with a compatible receiver.