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Allen Bradley 871TM-B4N12-R3 Inductive Proximity Sensor, PNP NO

Allen Bradley M12 inductive proximity sensor, 4mm sensing, PNP NO output, AC powered.

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ManufacturerAllen Bradley

Part number871TM-B4N12-R3

Sensing Range 4 mm

Supply Voltage 20-250V AC

Frequency 40-60 Hz

Output PNP NO

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Veteran-owned

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Non-contact sensing M12 threaded metal housing 4mm detection range PNP NO output type 2-meter shielded cable Durable industrial design

Product description

The Allen Bradley 871TM-B4N12-R3 is a cylindrical inductive proximity sensor equipped with a PNP normally open (NO) output. It is designed for non-contact detection of metallic targets and operates on AC power, with a supply voltage range of 20-250V AC and a frequency of 40-60 Hz. This M12 sensor features a 4mm sensing distance and comes with a standard 2-meter cable for easy integration.

This PNP NO sensor is well-suited for various industrial automation applications, including detecting parts on assembly lines, confirming the presence of metallic components, and controlling machine operations. It finds use in industries such as automotive manufacturing, food processing, and general automation.

Stanlo Automation, a trusted veteran-owned surplus parts distributor, offers the Allen Bradley 871TM-B4N12-R3. We specialize in providing high-quality, reliable industrial automation components at competitive prices.

Technical specifications

Sensing Range	4 mm
Supply Voltage	20-250V AC
Frequency	40-60 Hz
Output	PNP NO
Connection	2-meter cable
Body Style	Cylindrical M12
Flush Mount	No
Series	871TM

Common applications

Metal part detection

Position feedback

Automation systems

Material handling

Packaging equipment

Machine tool control

Compatible systems

PLCs Control units Automation devices

Also known as

871TM-B4N12-R3 switch Allen Bradley M12 PNP sensor 871TM 4mm PNP

Replaces / compatible with

This sensor is a suitable replacement for other Allen Bradley 871TM series inductive proximity sensors that require a PNP NO output configuration.

Technical note

Expert tip

When using a PNP NO output, ensure the control input receiving the signal is compatible with sourcing current, typically connected to the positive supply.

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Frequently asked questions

What is the typical sensing range of the Allen Bradley 871TM-B4N12-R3 sensor?

The Allen Bradley 871TM-B4N12-R3 inductive proximity sensor has a standard sensing range of 4mm. This means it can reliably detect metallic objects within this distance.