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Allen-Bradley 872C-A5N18-A2 Inductive Proximity Sensor, 18mm diameter, nickel-plated brass housing

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Allen-Bradley 872C-A5N18-A2

by Allen-Bradley

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OverviewThe Allen-Bradley 872C-A5N18-A2 is a high-performance inductive proximity sensor crafted for dependable object detection across diverse industrial environments. This critical element for modern automation systems features an 18mm tubular design, offering a compact yet robust solution for installations with limited space. With a precise 5mm sensing range, it guarantees accurate and consistent identification of metallic items, vital for maintaining operational effectiveness and safety. The sensor is engineered for effortless integration through its 2-wire AC connection, streamlining wiring and setup. Its normally open (N.O.) output and resilient PVC cable with two conductors further enhance its adaptability and reliability, making it an excellent selection for engineers and technicians in search of a trustworthy sensing device for their automation requirements.Key Features 18mm Cylindrical Housing: A compact and sturdy form factor allows for flexible mounting and resilience in industrial environments. 5mm Detection Range: Delivers accurate and consistent sensing of metallic targets, optimizing automation processes. 2-Wire AC Power: Simplifies electrical integration and reduces installation complexity, saving valuable time and resources. Nickel-Plated Brass Construction: Provides superior resistance to corrosion and mechanical wear, ensuring longevity in demanding industrial settings. Normally Open (N.O.) Output: Offers a straightforward signal for common proximity sensing tasks, improving system compatibility. PVC Cable (Two Conductors): Guarantees a robust and dependable electrical connection, suitable for continuous operation in industrial environments. Allen-Bradley Certified: Assured performance and reliability from a recognized leader in industrial automation solutions. Technical SpecificationsModel: 872C-A5N18-A2Series: 872C Inductive Proximity SensorSensor Type: InductiveHousing Material: Nickel-Plated BrassDiameter: 18mmSensing Distance: 5mmConnection Type: PVC Cable (2 Conductors)Output Type: Normally Open (N.O.)Operating Voltage: 2-Wire ACApplications Industrial Automation and Process Management: Essential for precise object identification in automated production lines and processing facilities. Machine Positioning and Object Sensing: Accurately detects the placement of machine components and the presence of objects, boosting operational precision. Conveyor System Monitoring: Ideal for identifying items on conveyor belts, ensuring smooth and efficient material movement. Factory and Packaging Automation: Plays a crucial role in detecting products for sorting, counting, and packaging operations. Robotics Integration: Provides vital feedback for robotic arm movements and object manipulation tasks. Assembly Line Operations: Ensures correct component placement and detection during the entire assembly process. Why Choose This Model? Unmatched Reliability: Constructed with Allen-Bradley's renowned quality, ensuring consistent and dependable performance in critical applications. Robust Construction: The nickel-plated brass housing provides exceptional durability, extending the sensor's lifespan even in challenging environments. Simplified Integration: Designed for ease of installation with its 2-wire AC operation and clear N.O. output, reducing setup time and complexity. Precision Sensing: A 5mm sensing distance guarantees accurate object detection, minimizing errors and maximizing operational efficiency. Cost-Effective Solution: Offers a long-term, low-maintenance solution for your sensing needs, reducing overall operational costs. Industry Standard: A widely recognized and trusted component, ensuring compatibility and ease of replacement within existing systems. Order NowEnhance your industrial automation systems with the Allen-Bradley 872C-A5N18-A2 Inductive Proximity Sensor. Its robust design, precise sensing capabilities, and reliable performance make it an indispensable asset for various applications. Secure your operational efficiency today by integrating this advanced sensor.

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$86.99
18 in stock

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PRODUCT DETAILS

Allen-Bradley 872C-A5N18-A2

Overview

This is a genuine Allen-Bradley component. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Allen-Bradley catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Allen-Bradley automation ecosystem

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Allen-Bradley equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Allen-Bradley platform with documented conversion notes

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

Model: 872C-A5N18-A2

Series: 872C Inductive Proximity Sensor

Sensor Type: Inductive

Housing Material: Nickel-Plated Brass

Diameter: 18mm

Sensing Distance: 5mm

Connection Type: PVC Cable (2 Conductors)

Output Type: Normally Open (N.O.)

Operating Voltage: 2-Wire AC

Applications

  • Industrial Automation and Process Management: Essential for precise object identification in automated production lines and processing facilities.
  • Machine Positioning and Object Sensing: Accurately detects the placement of machine components and the presence of objects, boosting operational precision.
  • Conveyor System Monitoring: Ideal for identifying items on conveyor belts, ensuring smooth and efficient material movement.
  • Factory and Packaging Automation: Plays a crucial role in detecting products for sorting, counting, and packaging operations.
  • Robotics Integration: Provides vital feedback for robotic arm movements and object manipulation tasks.
  • Assembly Line Operations: Ensures correct component placement and detection during the entire assembly process.

Why Choose the 872C-A5N18-A2?

  • Unmatched Reliability: Constructed with Allen-Bradley's renowned quality, ensuring consistent and dependable performance in critical applications.
  • Robust Construction: The nickel-plated brass housing provides exceptional durability, extending the sensor's lifespan even in challenging environments.
  • Simplified Integration: Designed for ease of installation with its 2-wire AC operation and clear N.O. output, reducing setup time and complexity.
  • Precision Sensing: A 5mm sensing distance guarantees accurate object detection, minimizing errors and maximizing operational efficiency.
  • Cost-Effective Solution: Offers a long-term, low-maintenance solution for your sensing needs, reducing overall operational costs.
  • Industry Standard: A widely recognized and trusted component, ensuring compatibility and ease of replacement within existing systems.

Availability & Shipping

  • In stock: 872C-A5N18-A2 ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every 872C-A5N18-A2 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

Yes. Every 872C-A5N18-A2 we ship is sourced through trusted industrial channels and inspected before dispatch. PALM Parts Solution operates as an independent supplier, not an authorized distributor.

Machine down? We ship parts the same day.

New, surplus, and refurbished Allen-Bradley inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

CUSTOMER REVIEWS

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Independent Supplier Notice

PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.

Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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PALM Parts Solution sells used surplus products. PALM Parts Solution is not an authorized distributor, affiliate, or representative for the brands we carry. Products sold by PALM Parts Solution come with PALM Parts Solution's 1-Year Warranty and do not come with the original manufacturer's warranty. Designated trademarks, brand names and brands appearing herein are the property of their respective owners. This website is not sanctioned or approved by any manufacturer or tradename listed.

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