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Allen-Bradley 440R-N23132S Guardmaster MSR127 Monitoring Safety Relay

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Allen-Bradley 440R-N23132S

by Allen-Bradley

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OverviewUpgrade your industrial safety systems with the Allen-Bradley 440R-N23132S Guardmaster MSR127 Monitoring Safety Relay. This robust component is engineered to provide reliable oversight of critical safety inputs across diverse industrial settings. Operating efficiently on a 24V AC/DC power supply, the 440R-N23132S seamlessly integrates into your existing safety infrastructure. Its intelligent automatic reset feature minimizes downtime and ensures continuous operation without the need for manual intervention following a safety event. Furthermore, integrating a 1 N.C. auxiliary output, this relay offers crucial status monitoring and enhanced functional safety. Trust Allen-Bradley for superior protection and compliance in your demanding applications.Key Features Guardmaster MSR127 Technology: Specifically engineered for advanced industrial safety monitoring. Versatile 24V AC/DC Power Supply: Ensures broad compatibility with various industrial control systems and power configurations. Automatic Reset Functionality: Promotes uninterrupted operation and minimizes human interaction, optimizing process efficiency. 1 N.C. Auxiliary Output: Delivers essential status feedback for monitoring, diagnostics, and integration with external signaling devices. Reliable Safety Inputs: Guarantees secure and precise control over machine safety functions, improving operator protection. Compact and Durable Design: Constructed to endure challenging industrial conditions, ensuring long-term reliability and performance. Simplified Integration: Designed for straightforward installation and commissioning within current and new safety circuits. Technical SpecificationsThe Allen-Bradley 440R-N23132S is a high-performance safety relay crafted to meet rigorous industrial standards. Model: 440R-N23132S Series: Guardmaster MSR127 Function: Monitoring Safety Relay Power Supply: 24V AC/DC Reset Type: Automatic Reset Auxiliary Output: 1 Normally Closed (N.C.) Application: Industrial safety monitoring ApplicationsThe Allen-Bradley 440R-N23132S safety relay is an indispensable component for numerous industrial safety applications, including: Emergency Stop (E-Stop) Circuits: Vital for overseeing and managing immediate machine shutdown in hazardous scenarios. Safety Interlock Systems: Ensuring protective measures remain active and operational, preventing access to dangerous zones during machine operation. Industrial Machinery and Robotics: Comprehensive safety supervision for automated production lines and robotic work cells. Process Control Environments: Implementing dependable safety solutions in chemical, pharmaceutical, and other process-oriented industries. Electrical Panels and Automation Cabinets: Integrating safety capabilities within control systems for improved operational integrity. Conveyor Systems: Providing fault detection and secure shutdown in dynamic material handling procedures. Why Choose This Model?The Allen-Bradley 440R-N23132S stands out as a premier choice for demanding safety applications due to several compelling advantages: Unwavering Reliability: Built with Allen-Bradley's renowned quality, ensuring consistent and dependable safety performance. Automated Efficiency: The automatic reset feature significantly boosts operational uptime and reduces manual intervention, streamlining your processes. Seamless System Integration: Designed for effortless integration into existing control architectures, minimizing installation complexity and costs. Enhanced Safety Compliance: Helps you meet stringent safety regulations and standards, protecting personnel and valuable assets. Comprehensive Monitoring Capabilities: Offers critical insights into your safety system's status through its auxiliary output, aiding in proactive maintenance and diagnostics. Trusted Brand Heritage: Allen-Bradley is a global leader in industrial automation, synonymous with innovation and robust solutions. Order NowSecure your industrial operations today with the Allen-Bradley 440R-N23132S Guardmaster MSR127 Monitoring Safety Relay. Contact Palm Parts Solution to learn more or to place your order.FAQHow does the automatic reset function benefit my operations?The automatic reset functionality on the 440R-N23132S minimizes downtime by automatically resetting the safety relay after a safety event, removing the need for manual intervention and ensuring continuous operation when conditions are safe.Can this safety relay integrate with existing control systems?Yes, the Allen-Bradley 440R-N23132S is designed for simplified integration into both new and existing safety circuits, supporting broad compatibility with various industrial control systems thanks to its versatile 24V AC/DC power supply.What is the purpose of the 1 N.C. auxiliary output?The 1 N.C. auxiliary output provides essential status feedback, allowing for improved monitoring, diagnostics, and seamless integration with external signaling devices, thereby enhancing the overall functional safety and oversight of your system.

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PRODUCT DETAILS

Allen-Bradley 440R-N23132S

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

The Allen-Bradley 440R-N23132S is a high-performance safety relay crafted to meet rigorous industrial standards.

  • Model: 440R-N23132S
  • Series: Guardmaster MSR127
  • Function: Monitoring Safety Relay
  • Power Supply: 24V AC/DC
  • Reset Type: Automatic Reset
  • Auxiliary Output: 1 Normally Closed (N.C.)
  • Application: Industrial safety monitoring

Applications

The Allen-Bradley 440R-N23132S safety relay is an indispensable component for numerous industrial safety applications, including:

  • Emergency Stop (E-Stop) Circuits: Vital for overseeing and managing immediate machine shutdown in hazardous scenarios.
  • Safety Interlock Systems: Ensuring protective measures remain active and operational, preventing access to dangerous zones during machine operation.
  • Industrial Machinery and Robotics: Comprehensive safety supervision for automated production lines and robotic work cells.
  • Process Control Environments: Implementing dependable safety solutions in chemical, pharmaceutical, and other process-oriented industries.
  • Electrical Panels and Automation Cabinets: Integrating safety capabilities within control systems for improved operational integrity.
  • Conveyor Systems: Providing fault detection and secure shutdown in dynamic material handling procedures.

Why Choose the 440R-N23132S?

The Allen-Bradley 440R-N23132S stands out as a premier choice for demanding safety applications due to several compelling advantages:

  • Unwavering Reliability: Built with Allen-Bradley's renowned quality, ensuring consistent and dependable safety performance.
  • Automated Efficiency: The automatic reset feature significantly boosts operational uptime and reduces manual intervention, streamlining your processes.
  • Seamless System Integration: Designed for effortless integration into existing control architectures, minimizing installation complexity and costs.
  • Enhanced Safety Compliance: Helps you meet stringent safety regulations and standards, protecting personnel and valuable assets.
  • Comprehensive Monitoring Capabilities: Offers critical insights into your safety system's status through its auxiliary output, aiding in proactive maintenance and diagnostics.
  • Trusted Brand Heritage: Allen-Bradley is a global leader in industrial automation, synonymous with innovation and robust solutions.

Availability & Shipping

  • In stock: 440R-N23132S 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-N23132S ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The automatic reset functionality on the 440R-N23132S minimizes downtime by automatically resetting the safety relay after a safety event, removing the need for manual intervention and ensuring continuous operation when conditions are safe.

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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