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Allen Bradley

Allen Bradley 42EF-U2SCB-G4 RightSight Retroreflective Photoelectric Sensor

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ManufacturerAllen Bradley

Part number42EF-U2SCB-G4

Sensing Mode Retroreflective

Light Source Visible Red LED

Max Sensing Distance 4.5m (14.7ft)

Operating Mode AC/DC Dark Operate

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Veteran-owned

CAGE: 9NK75

RightSight technology Visible Red LED AC/DC operation Dark Operate mode 4.5m sensing distance 4-pin AC Micro QD connection

Product description

The Allen-Bradley 42EF-U2SCB-G4 is a RightSight photoelectric sensor designed for retroreflective applications. It features a visible red LED light source and a maximum sensing distance of 4.5 meters (14.7 feet). This sensor operates on AC/DC voltage and utilizes a dark operate mode, triggering when the light beam is broken. It connects via a 4-pin AC Micro QD on a pigtail.

This sensor is suitable for a wide array of industrial automation tasks, including manufacturing, material handling, and packaging. Its AC/DC compatibility and dark operate function make it a versatile choice for integration into existing control systems.

Stanlo Automation, a veteran-owned surplus parts distributor, provides reliable industrial automation components. Source your Allen-Bradley sensors from us and experience efficient service and quality products.

Technical specifications

Sensing Mode	Retroreflective
Light Source	Visible Red LED
Max Sensing Distance	4.5m (14.7ft)
Operating Mode	AC/DC Dark Operate
Connection Type	4-pin AC Micro QD

Common applications

Manufacturing

Material Handling

Packaging

Assembly Lines

Conveyor Systems

Logistics

Compatible systems

Allen-Bradley PLCs Various AC/DC control systems Systems requiring dark operate functionality

Also known as

Allen-Bradley 42EF Sensor Rockwell Automation Dark Operate Sensor 42EF-U2SCB-G4

Replaces / compatible with

This sensor is designed to replace older or similar Allen-Bradley 42EF series retroreflective sensors. Always confirm electrical and mounting compatibility for your specific application.

Technical note

Expert tip

The 4-pin AC Micro QD connector provides a robust and reliable connection for industrial environments, compatible with standard 889D cordsets.

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Frequently asked questions

What is the sensing range and operating mode of the Allen-Bradley 42EF-U2SCB-G4?

The Allen-Bradley 42EF-U2SCB-G4 sensor has a maximum sensing distance of 4.5 meters (14.7 feet). It operates in AC/DC voltage and is configured for dark operate mode, meaning the output is active when the light beam is interrupted.