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Allen Bradley 871P-B40N40-R3 Inductive Proximity Sensor

Allen Bradley 871P-B40N40-R3 Inductive Proximity Sensor, 40mm sensing range.

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ManufacturerAllen Bradley

Part number871P-B40N40-R3

Sensing Distance 40mm

Output NPN

Connection 4-Pin M12 Connector

Housing Diameter 30mm

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12-month warranty

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Veteran-owned

CAGE: 9NK75

40mm sensing range NPN output configuration Cylindrical M30 housing Durable industrial design High reliability

Product description

The Allen Bradley 871P-B40N40-R3 is a robust inductive proximity sensor featuring a 40mm sensing distance, ideal for detecting metallic objects from a considerable range. It is equipped with an NPN output, commonly used in industrial automation and control systems.

This sensor is well-suited for applications in environments that require reliable detection over longer distances, such as in large machinery, material handling, and automated warehousing. Its durable construction ensures performance in demanding conditions.

Stanlo Automation, a veteran-owned supplier of surplus industrial automation parts, offers the Allen Bradley 871P-B40N40-R3. We provide quality, cost-effective solutions to keep your automated systems operational.

Technical specifications

Sensing Distance	40mm
Output	NPN
Connection	4-Pin M12 Connector
Housing Diameter	30mm
Sensing Face	Front

Common applications

Automated warehousing

Large machinery

Material handling

Robotics

Automotive manufacturing

Compatible systems

PLCs Control systems Industrial automation hardware

Also known as

Allen Bradley 871P-B40N40-R3 proximity switch AB 871P-B40N40-R3 sensor 40mm NPN sensor

Replaces / compatible with

Designed to replace or upgrade existing proximity sensors that require a 40mm sensing range and NPN output. Verify system compatibility before installation.

Technical note

Expert tip

The 40mm sensing distance of the 871P-B40N40-R3 is rated for standard steel targets; adjustments may be needed for different metal types or sizes.

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Frequently asked questions

What type of connector does the Allen Bradley 871P-B40N40-R3 use?

The Allen Bradley 871P-B40N40-R3 inductive proximity sensor utilizes a standard 4-pin M12 connector for its electrical connection. This allows for easy and secure wiring in industrial environments.