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Allen Bradley 42GDU-9204-QD Photoelectric Sensor

Allen Bradley 42GDU-9204-QD: Diagnostic Photoelectric Sensor

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ManufacturerAllen Bradley

Part number42GDU-9204-QD

Sensing Mode Polarized Retroreflective

Sensing Distance 4.87m (16ft)

Operating Voltage 90-264V AC

Output Type N.O. SPDT EM Relay

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Veteran-owned

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Diagnostic capabilities Polarized retroreflective sensing Wide AC voltage input SPDT relay output Mini Quick-Disconnect connector

Product description

The Allen Bradley 42GDU-9204-QD is a diagnostic photoelectric sensor from the Series 9000 GP Sensor line. It features a polarized retroreflective sensing mode with a maximum detection range of 4.87 meters (16 feet). This AC-powered sensor operates on a wide input voltage of 90-264V AC and provides a normally open (N.O.) SPDT EM Relay output. It is equipped with a mini quick-disconnect for straightforward installation.

This sensor is well-suited for industrial automation applications where reliable object detection is critical, such as in packaging, material handling, and automated assembly processes. The wide AC voltage input and relay output offer significant flexibility for integration into existing electrical infrastructure.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Allen Bradley 42GDU-9204-QD. We are dedicated to providing quality industrial automation components to keep your operations running efficiently.

Technical specifications

Sensing Mode	Polarized Retroreflective
Sensing Distance	4.87m (16ft)
Operating Voltage	90-264V AC
Output Type	N.O. SPDT EM Relay
Connection	Mini Quick-Disconnect

Common applications

Packaging Systems

Material Handling

Industrial Automation

Machine Guarding

Conveyor Systems

Compatible systems

Compatible with AC control systems and panels requiring a relay output.

Also known as

Series 9000 GP Sensor

Replaces / compatible with

This part has been discontinued by the manufacturer. Please consult manufacturer documentation for potential replacements or compatible alternatives.

Technical note

Expert tip

The diagnostic output of the 42GDU-9204-QD can be monitored to assess the quality of the sensed signal, helping to proactively identify and address potential issues before they cause downtime.

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Frequently asked questions

What type of output does the Allen Bradley 42GDU-9204-QD photoelectric sensor provide?

The Allen Bradley 42GDU-9204-QD photoelectric sensor provides a normally open (N.O.) SPDT EM Relay output. This allows it to directly switch higher loads or interface with a wider range of control systems that accept relay inputs.