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Allen Bradley 931S-A2A5N-OP Inductive Proximity Sensor - 18mm

Allen Bradley 931S-A2A5N-OP is an 18mm DC output inductive proximity sensor.

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ManufacturerAllen Bradley

Part number931S-A2A5N-OP

Sensing Range 5 mm

Output Type DC

Contact Configuration Normally Open (NO)

Connection 3-wire

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18mm sensing diameter Extended sensing range DC output Normally Open contact Nickel-plated brass housing IP67 rating

Product description

The Allen Bradley 931S-A2A5N-OP is an 18mm inductive proximity sensor designed for a wide range of industrial applications. It offers a longer sensing range compared to smaller sensors and provides a normally open (NO) DC output for flexible integration into automation systems.

This sensor is suitable for detecting metallic objects at greater distances in environments such as manufacturing plants, material handling systems, and automated assembly lines. Its robust construction ensures reliable operation even in demanding conditions.

Stanlo Automation, a veteran-owned surplus parts distributor, provides the Allen Bradley 931S-A2A5N-OP with a focus on quality and availability. We are dedicated to supplying the industrial automation components you need to maintain efficient operations.

Technical specifications

Sensing Range	5 mm
Output Type	DC
Contact Configuration	Normally Open (NO)
Connection	3-wire
Body Style	Cylindrical
Body Diameter	18 mm
Housing Material	Nickel-plated brass
IP Rating	IP67

Common applications

Material detection

Position sensing

Machine guarding

Automation control

Manufacturing

Conveyor systems

Compatible systems

PLCs Control systems Industrial automation equipment

Also known as

Allen Bradley 931S-A2A5N-OP sensor 931S Series 18mm proximity switch AB 931S proximity sensor NO

Replaces / compatible with

A versatile replacement for various 18mm Allen Bradley proximity sensors requiring a normally open DC output. Consult datasheets for specific compatibility.

Technical note

Expert tip

The 18mm diameter of the 931S-A2A5N-OP allows for easier mounting in standard sensor brackets and provides a wider target area for detection.

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Frequently asked questions

What is the sensing range for the Allen Bradley 931S-A2A5N-OP?

The Allen Bradley 931S-A2A5N-OP inductive proximity sensor has a sensing range of 5 mm. This allows it to reliably detect metallic objects from a moderate distance.