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Allen Bradley

Allen Bradley 871TM-DH4NE12-N4 Inductive Proximity Sensor

Allen Bradley 871TM-DH4NE12-N4 30mm DC 2-wire Normally Closed Proximity Sensor.

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ManufacturerAllen Bradley

Part number871TM-DH4NE12-N4

Sensing Range 15mm

Housing Size 30mm

Output Type DC 2-wire

Function Normally Closed (NC)

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30mm threaded metal housing DC 2-wire, Normally Closed output 15mm sensing range 4-meter cable length Reliable metallic object detection Industrial grade

Product description

The Allen Bradley 871TM-DH4NE12-N4 is a 30mm inductive proximity sensor that operates with a DC 2-wire system and provides a normally closed (NC) output. It features a 4-meter cable, offering a good balance between reach and manageability for various industrial setups. The sensor detects metallic objects with a sensing range of 15mm.

This sensor is well-suited for applications in industrial automation, robotics, and material handling systems. Its normally closed function is often utilized in safety circuits, proximity sensing for automated processes, and as a limit switch replacement.

Stanlo Automation, your go-to source for surplus industrial automation parts and a proud veteran-owned business, stocks the 871TM-DH4NE12-N4. We ensure quality and availability for your critical components.

Technical specifications

Sensing Range	15mm
Housing Size	30mm
Output Type	DC 2-wire
Function	Normally Closed (NC)
Cable Length	4m
Voltage	20-250 VAC/VDC (for DC 2-wire), 90-250 VAC (for AC 2-wire)

Common applications

Automation systems

Robotics

Material handling

Safety circuits

Limit switch replacement

Packaging machinery

Compatible systems

Industrial automation PLC based systems Machine safety interlocks

Also known as

Allen Bradley 871TM-DH4NE12-N4 sensor 871TM DH4NE12 N4 AB 4m cable sensor

Replaces / compatible with

This sensor is a direct replacement for compatible Allen Bradley 871TM series models requiring a 30mm housing, DC 2-wire NC output, and a 4-meter cable length.

Technical note

Expert tip

When using DC 2-wire sensors, ensure the connected load has a minimum current draw to ensure proper operation and prevent false triggering.

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Frequently asked questions

How does the normally closed output of the 871TM-DH4NE12-N4 work?

The Allen Bradley 871TM-DH4NE12-N4 has a normally closed output. This means the electrical circuit through the sensor is complete (closed) when no metallic object is present. When a metallic object enters the sensing range, the circuit opens, interrupting the flow of current.