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Allen Bradley 42KL-P2LB-F4 Photoelectric Sensor - Polarized Retroreflective

Allen Bradley 42KL-P2LB-F4 Photoelectric Sensor - Polarized Retroreflective.

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ManufacturerAllen Bradley

Part number42KL-P2LB-F4

Sensing Mode Polarized Retroreflective

Light Source Red LED (Polarized)

Output NPN, 100mA DC

Voltage 10-30V DC

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12-month warranty

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Worldwide delivery

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Veteran-owned

CAGE: 9NK75

Polarized red light for reliable detection NPN output 7-meter sensing range Retroreflective mode with reflector M12 quick-disconnect Durable plastic housing

Product description

The Allen Bradley 42KL-P2LB-F4 is a photoelectric sensor from the 42KL series, designed for reliable object detection in industrial settings. It utilizes a polarized red light source and operates in a retroreflective mode, making it effective at detecting objects by sensing the reflection from a nearby reflector. This sensor offers a robust solution for various automation tasks.

This sensor is well-suited for applications such as package detection on conveyor belts, position verification, and safety interlocks in manufacturing and material handling environments. The polarized beam technology helps to minimize false detections from reflective surfaces, ensuring consistent operation.

Stanlo Automation, a veteran-owned surplus industrial parts distributor, provides quality surplus components like the Allen Bradley 42KL-P2LB-F4. We are dedicated to offering dependable industrial automation solutions at competitive prices, helping you minimize downtime and maintain operational efficiency.

Technical specifications

Sensing Mode	Polarized Retroreflective
Light Source	Red LED (Polarized)
Output	NPN, 100mA DC
Voltage	10-30V DC
Range	7m
Connection	M12 Connector
Material	Plastic

Common applications

Material Handling

Packaging Lines

Assembly Automation

Conveyor Systems

Machine Safety

Product Detection

Compatible systems

NPN output is compatible with standard PLC digital inputs. Operates on 10-30V DC power.

Also known as

Allen Bradley 42KL Retroreflective Sensor 42KL-P2LB-F4 Polarized Sensor Red Polarized Retroreflective

Replaces / compatible with

Can replace other Allen Bradley 42KL series retroreflective sensors and is compatible with standard retroreflectors.

Technical note

Expert tip

Requires a polarized retroreflector (not included) for operation. Ensure the reflector is clean and properly aligned with the sensor for maximum range and reliability.

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Frequently asked questions

What is the purpose of the polarized light in the 42KL-P2LB-F4 sensor?

The polarized light in the 42KL-P2LB-F4 sensor is used to reduce false detections caused by reflections from shiny surfaces or the retroreflector itself. The sensor only detects light that is reflected back with the same polarization, ensuring that only the intended object or reflector triggers the sensor.