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Allen Bradley

Allen Bradley 42EF-S1RFA-G4 RightSight Photoelectric Sensor

Allen Bradley 42EF-S1RFA-G4 RightSight Diffuse AC/DC Sensor

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ManufacturerAllen Bradley

Part number42EF-S1RFA-G4

Sensing Distance 100 mm (3.9 in)

Light Source Infrared LED

Output Type Source (PNP)

Operating Voltage 21.6-264V AC/DC

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Veteran-owned

CAGE: 9NK75

100mm sensing distance Infrared LED PNP output AC/DC voltage Sharp cutoff diffuse Manually adjustable

Product description

The Allen-Bradley 42EF-S1RFA-G4 is a RightSight™ photoelectric sensor designed for sharp cutoff diffuse sensing. It features an infrared LED light source and a PNP output, operating on AC/DC voltage. This sensor provides a maximum sensing distance of 100mm (3.9 inches) and is manually adjustable for precise setup.

This sensor is ideal for applications requiring precise object detection and edge sensing in various industrial settings. Its universal AC/DC voltage capability and adjustable sensitivity make it a flexible choice for diverse automation tasks.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Allen-Bradley 42EF-S1RFA-G4. We are dedicated to providing quality industrial automation components to keep your operations running efficiently. Trust Stanlo Automation for your surplus parts needs and exceptional service.

Technical specifications

Sensing Distance	100 mm (3.9 in)
Light Source	Infrared LED
Output Type	Source (PNP)
Operating Voltage	21.6-264V AC/DC
Sensing Mode	Sharp Cutoff Diffuse
Connection Type	4-pin AC Micro QD

Common applications

Industrial Automation

Quality Control

Edge Sensing

Part Detection

Assembly Lines

Compatible systems

Industrial control systems requiring PNP inputs; applications needing AC/DC voltage and diffuse sensing

Also known as

42EF-S1RFA-G4 Sensor Allen-Bradley AC/DC Diffuse Sensor

Replaces / compatible with

Replaces older diffuse scan sensors needing AC/DC voltage compatibility and manual adjustment.

Technical note

Expert tip

The AC/DC capability of the 42EF-S1RFA-G4 makes it a versatile option for installations with varying power supply configurations.

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Frequently asked questions

What is the operating voltage range for the Allen Bradley 42EF-S1RFA-G4 photoelectric sensor?

The Allen Bradley 42EF-S1RFA-G4 photoelectric sensor operates on a universal voltage range of 21.6 to 264V AC/DC. It features an infrared LED, PNP output, and a 100mm sensing distance for sharp cutoff diffuse applications.