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Allen Bradley 871P-B40N40-N3 Inductive Proximity Sensor

Allen Bradley 871P-B40N40-N3 Inductive Proximity Sensor with 40mm sensing.

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ManufacturerAllen Bradley

Part number871P-B40N40-N3

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 capability NPN output Robust industrial design Reliable metallic object detection Cylindrical M30 housing

Product description

The Allen Bradley 871P-B40N40-N3 is a high-performance inductive proximity sensor designed for reliable object detection in industrial settings. It features a 40mm sensing range and an NPN output configuration, suitable for integration into various control systems.

This sensor is commonly utilized in automated manufacturing processes, conveyor systems, and robotics where precise and consistent detection of metallic targets is crucial. Its durable build ensures longevity even in challenging environments.

Stanlo Automation, a veteran-owned business specializing in surplus industrial automation parts, offers the Allen Bradley 871P-B40N40-N3. We provide cost-effective solutions to meet your automation needs, ensuring you get quality components when you need them.

Technical specifications

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

Common applications

Conveyor systems

Robotics

Automated manufacturing

Machine guarding

Material detection

Compatible systems

PLCs Control systems Automation hardware

Also known as

Allen Bradley 871P-B40N40-N3 sensor AB 871P-B40N40-N3 proximity switch 30mm NPN proximity sensor

Replaces / compatible with

An excellent choice for upgrading or replacing older proximity sensors that require a 40mm sensing range and NPN output. Always verify compatibility with your specific system.

Technical note

Expert tip

The NPN output on the 871P-B40N40-N3 is an open collector output, meaning it requires a load resistor and a positive voltage source to function correctly when connected to a PLC input.

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Frequently asked questions

What is the housing size of the Allen Bradley 871P-B40N40-N3 proximity sensor?

The Allen Bradley 871P-B40N40-N3 is a cylindrical sensor with a 30mm housing diameter. This standard size allows for easy mounting in many industrial applications.