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Allen Bradley

Allen Bradley 871P-B40C40-N3 Inductive Proximity Sensor

Allen Bradley 871P-B40C40-N3 Inductive Proximity Sensor, 40mm sensing range.

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ManufacturerAllen Bradley

Part number871P-B40C40-N3

Sensing Distance 40mm

Output NPN

Connection 4-Pin M12 Connector

Housing Diameter 30mm

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Extended 40mm sensing NPN open collector output Cylindrical housing Robust construction Reliable object detection

Product description

The Allen Bradley 871P-B40C40-N3 is a robust inductive proximity sensor engineered for demanding industrial environments. It boasts a significant 40mm sensing distance, allowing for detection of metallic objects from a greater range. The NPN output configuration is standard for many automation systems.

This sensor is widely employed in applications requiring extended detection ranges, such as in large material handling systems, agricultural equipment, and heavy machinery. Its durable construction makes it suitable for dusty, wet, or high-vibration settings.

Source your Allen Bradley 871P-B40C40-N3 from Stanlo Automation, your trusted veteran-owned surplus parts supplier. We are committed to providing quality automation components and exceptional customer support to keep your business moving forward.

Technical specifications

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

Common applications

Material handling systems

Agricultural machinery

Heavy equipment

Conveyor systems

Automated warehouses

Compatible systems

PLCs Automation controllers Industrial control panels

Also known as

Allen Bradley 871P-B40C40-N3 sensor AB 871P-B40C40-N3 proximity 40mm inductive sensor

Replaces / compatible with

Suitable for applications requiring longer sensing ranges than standard proximity sensors. Verifies compatibility with specific control systems before integration.

Technical note

Expert tip

For optimal performance with the 871P-B40C40-N3, ensure that the target metallic object has sufficient surface area to be fully within the 40mm sensing field.

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Frequently asked questions

What are the output specifications for the Allen Bradley 871P-B40C40-N3?

The Allen Bradley 871P-B40C40-N3 features an NPN output. This means that when the sensor detects an object, the output line is connected to ground (0V).