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Allen Bradley 42KL-G1LBQ-A2 Photoelectric Sensor - NPN Output

Allen Bradley 42KL-G1LBQ-A2 Photoelectric Sensor with NPN output.

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ManufacturerAllen Bradley

Part number42KL-G1LBQ-A2

Sensing Mode Polarized Retroreflective

Light Source Red LED (Polarized)

Output NPN Open Collector, 100mA DC

Voltage 10-30V DC

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12-month warranty

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Veteran-owned

CAGE: 9NK75

NPN open collector output Polarized red light source 7-meter sensing range Durable plastic housing Integral 2-meter cable Versatile mounting options

Product description

The Allen Bradley 42KL-G1LBQ-A2 is a photoelectric sensor belonging to the versatile 42KL series, designed for reliable object detection in automation. This model features an NPN open collector output, making it compatible with a wide array of industrial control systems and PLCs. Its robust design ensures consistent performance in demanding applications.

This sensor is suitable for numerous industrial applications, including conveyor systems, packaging lines, and machine safety. It can be employed for detecting the presence or absence of parts, monitoring product flow, or as part of a larger control system to ensure operational efficiency and safety across manufacturing sectors.

Stanlo Automation, a veteran-owned surplus parts distributor, is your source for hard-to-find industrial automation components. We provide quality surplus inventory, including the Allen Bradley 42KL-G1LBQ-A2, ensuring you can procure essential parts quickly and cost-effectively to minimize downtime.

Technical specifications

Sensing Mode	Polarized Retroreflective
Light Source	Red LED (Polarized)
Output	NPN Open Collector, 100mA DC
Voltage	10-30V DC
Range	7m
Connection	Integral Cable (2m)
Material	Plastic

Common applications

Material Handling

Packaging

Assembly Lines

Machine Safety

Palletizing

General Manufacturing

Compatible systems

Compatible with PLCs and control systems requiring an NPN sinking output. Suitable for 10-30V DC power supplies.

Also known as

Allen Bradley 42KL NPN Sensor 42KL-G1LBQ-A2 Retroreflective Sensor Polarized Red Sensor

Replaces / compatible with

Replaces older models of Allen Bradley photoelectric sensors with NPN output and can be integrated into existing 42KL system setups.

Technical note

Expert tip

The integral 2-meter cable simplifies installation in many applications, but extension cables or junction boxes may be needed for longer runs.

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Frequently asked questions

What type of output does the Allen Bradley 42KL-G1LBQ-A2 sensor have?

The Allen Bradley 42KL-G1LBQ-A2 sensor features an NPN open collector output. This means that when the sensor is active, it connects the output line to the 0V (ground) line, making it compatible with PLC digital inputs that sink current.