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Allen-Bradley 440R-B23211 single function safety relay for industrial automation

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Allen-Bradley 440R-B23211

by Allen-Bradley

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OverviewThe Allen-Bradley 440R-B23211 is a robust single-function safety relay, expertly engineered to supervise diverse safety equipment and maintain strict control over vital safety circuits. This crucial industrial automation component boosts operational security and adheres to international criteria. Its precise engineering streamlines intricate safety tasks, making it an excellent option for integration into various control setups where consistent performance and dependability are essential. Its sturdy construction and intelligent characteristics ensure enduring stability in demanding industrial environments.Key Features Dedicated Single Function: Simplifies safety system planning and considerably cuts down on troubleshooting time by focusing on one specific safety task. Flexible Output Configuration: Equipped with a single Normally Closed (N.C.) and three Normally Open (N.O.) safety outputs, providing adaptable integration choices for managing a broad spectrum of safety circuits. Universal 24V DC Compatibility: Works effortlessly with common industrial control voltages, allowing for simple incorporation into current systems. Pre-configured Reset Functionality: Comes with a fixed setup for automatic or manual reset, making initial configuration easy and ensuring quick operational readiness. Exceptional Safety Performance: Constructed to stringent benchmarks, guaranteeing dependable safety operation and fostering a secure work environment. Compact and Efficient Design: Optimized for space-saving installations without sacrificing performance or safety integrity. Allen-Bradley Quality Assurance: Produced by Allen-Bradley, a leader in industrial automation, ensuring top-tier quality, longevity, and support. Technical Specifications Product Category: Single Function Safety Relay Part Number: 440R-B23211 Safety Outputs: 1 N.C., 3 N.O. Input Voltage: 24V DC Reset Mechanism: Configured Automatic/Manual Brand: Allen-Bradley Applications Emergency Stop Systems: Delivers vital supervision and control for instant shutdowns in hazardous situations. Safety Gate Applications: Guarantees correct operation and monitoring of safety interlock gates on machinery. Light Curtain Safeguarding: Integrates with light curtains to detect obstructions and stop machinery, protecting personnel. Two-Hand Control Devices: Indispensable for tasks requiring operator presence and safety, preventing unintentional machine activation. Press Control Systems: Enhances safety during stamping and forming processes. Packaging and Assembly Lines: Essential for safeguarding workers and preventing equipment damage in automated production lines. Why Choose This Model?The Allen-Bradley 440R-B23211 is specifically designed to uphold the highest safety standards, protecting both personnel and machinery. With its single-function design and standard 24V DC operation, integrating it into new or existing systems is direct and efficient. Backed by Allen-Bradley's reputation for excellence, this safety relay promises long-term, reliable performance, reducing downtime and maintenance needs. It provides consistent and accurate monitoring of safety devices, ensuring an immediate response to dangerous conditions. Sourcing from Palm Parts Solution guarantees you not only a premium product but also competitive pricing, rapid shipping, and expert technical support for seamless implementation. Investing in quality Allen-Bradley components like the 440R-B23211 contributes to a more resilient and compliant industrial safety infrastructure.Order NowImprove the safety and efficiency of your industrial operations with the Allen-Bradley 440R-B23211 Single Function Safety Relay. Palm Parts Solution offers competitive pricing, fast, dependable shipping, and expert support to assist you in integrating this crucial safety device.FAQHow does the single-function design benefit my operations?The dedicated single-function design simplifies the safety system by focusing on one specific application. This can lead to quicker setup times and easier troubleshooting, as the relay's role is clearly defined and specialized.What types of safety devices can this relay monitor?The 440R-B23211 is engineered to monitor a variety of safety devices, including, but not limited to, emergency stop buttons, safety gates, light curtains, and two-hand control devices, ensuring comprehensive protection in industrial settings.Is this safety relay compatible with various industrial setups?Yes, its universal 24V DC operation ensures seamless compatibility with most industrial control voltages, making it straightforward to integrate into both new and existing control systems without extensive modifications.What kind of reliability can I expect from an Allen-Bradley product?Allen-Bradley is a recognized leader in industrial automation, known for producing high-quality and durable products. The 440R-B23211 safety relay is built to rigorous standards, promising excellent reliability and long-term performance in demanding industrial environments.Can Palm Parts Solution help with the integration of this safety relay?Absolutely. Palm Parts Solution not only provides competitive pricing and fast shipping but also offers expert technical support to assist you with the seamless integration of the Allen-Bradley 440R-B23211 into your specific industrial applications.

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$846.00
20 in stock

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PRODUCT DETAILS

Allen-Bradley 440R-B23211

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

  • Product Category: Single Function Safety Relay
  • Part Number: 440R-B23211
  • Safety Outputs: 1 N.C., 3 N.O.
  • Input Voltage: 24V DC
  • Reset Mechanism: Configured Automatic/Manual
  • Brand: Allen-Bradley

Applications

  • Emergency Stop Systems: Delivers vital supervision and control for instant shutdowns in hazardous situations.
  • Safety Gate Applications: Guarantees correct operation and monitoring of safety interlock gates on machinery.
  • Light Curtain Safeguarding: Integrates with light curtains to detect obstructions and stop machinery, protecting personnel.
  • Two-Hand Control Devices: Indispensable for tasks requiring operator presence and safety, preventing unintentional machine activation.
  • Press Control Systems: Enhances safety during stamping and forming processes.
  • Packaging and Assembly Lines: Essential for safeguarding workers and preventing equipment damage in automated production lines.

Why Choose the 440R-B23211?

The Allen-Bradley 440R-B23211 is specifically designed to uphold the highest safety standards, protecting both personnel and machinery. With its single-function design and standard 24V DC operation, integrating it into new or existing systems is direct and efficient. Backed by Allen-Bradley's reputation for excellence, this safety relay promises long-term, reliable performance, reducing downtime and maintenance needs. It provides consistent and accurate monitoring of safety devices, ensuring an immediate response to dangerous conditions. Sourcing from Palm Parts Solution guarantees you not only a premium product but also competitive pricing, rapid shipping, and expert technical support for seamless implementation. Investing in quality Allen-Bradley components like the 440R-B23211 contributes to a more resilient and compliant industrial safety infrastructure.

Availability & Shipping

  • In stock: 440R-B23211 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 440R-B23211 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The dedicated single-function design simplifies the safety system by focusing on one specific application. This can lead to quicker setup times and easier troubleshooting, as the relay's role is clearly defined and specialized.

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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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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