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Allen-Bradley 440R-GL2S2P Guardmaster Safety Relay

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Allen-Bradley 440R-GL2S2P

by Allen-Bradley

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OverviewThe Allen-Bradley 440R-GL2S2P Guardmaster Safety Relay is a high-performance safety control device designed for demanding guard locking and proximity input tasks in industrial settings. Operating on a reliable 24V DC power supply, this advanced safety relay integrates smoothly into intricate systems, providing enhanced protection for personnel and machinery. Its adaptable input architecture includes a dual-channel input, two PNP proximity inputs, and an SWS input, guaranteeing thorough monitoring capabilities. With two normally open (N.O.) PNP solid-state immediate safety outputs, one normally closed (N.C.) solid-state auxiliary output, and an SWS output, the 440R-GL2S2P delivers precise and instant safety responses, making it an essential element for contemporary industrial safety setups. This device is engineered for peak performance, ensuring both regulatory adherence and operational efficiency.Key Features Reliable 24V DC Power Supply: Delivers consistent and stable operation across various industrial settings, protecting against power fluctuations. Integrated Dual-Channel Input: Provides crucial redundancy for heightened safety integrity, vital for applications demanding unwavering reliability. Dual PNP Proximity Inputs: Specifically designed for effortless integration with safety sensors, enabling accurate detection and activation. SWS Input & SWS Output: Offers advanced control functionality, allowing for more complex safety logic and system integration. 2 N.O. PNP Solid-State Immediate Safety Outputs: Ensures rapid and dependable safety responses, crucial for preventing accidents and minimizing downtime. 1 N.C. Solid-State Auxiliary Output: Enhances system monitoring capabilities, providing additional control over connected devices and processes. Flexible Reset Configurations: Supports Automatic, Manual, or Manual Monitored reset modes, offering adaptability to diverse operational requirements. Removable Terminals: Aids in quick and easy installation, maintenance, and troubleshooting, reducing setup time and labor costs. Technical Specifications Model: 440R-GL2S2P Brand: Allen-Bradley Product Type: Safety Relay Power Supply: 24V DC Inputs: 1 Dual-Channel, 2 PNP Proximity, 1 SWS Safety Outputs: 2 Normally Open (N.O.) PNP Solid-State Immediate Auxiliary Output: 1 Normally Closed (N.C.) Solid-State SWS Output: 1 Reset Mode: Configurable (Automatic, Manual, or Manual Monitored) Terminal Type: Removable Applications Guardlocking and Safety Monitoring Systems: Crucial for securing hazardous zones and ensuring machinery remains inoperable when guards are open. Industrial Automation and Machine Safety: Provides vital safety control in automated manufacturing processes, safeguarding operators and equipment. Conveyor and Access Control Applications: Boosts safety by managing access points and regulating the operation of conveyor systems. Emergency Stop and Fail-Safe Operations: Essential for implementing trustworthy emergency stop circuits and maintaining a safe status in the event of system failures. Robotic Workcells: Ensures the secure operation of robotic systems by monitoring safety zones and controlling robot movement. Process Interlock Systems: Used to create interlock systems that prevent unsafe operational sequences in complex industrial processes. Why Choose This Model?The Allen-Bradley 440R-GL2S2P excels in overall safety. It features advanced control through comprehensive configurations for inputs and outputs, ensuring prime protection. Its design is both sturdy and dependable. Built to Allen-Bradley's rigorous quality standards, this safety relay delivers consistent performance in challenging industrial environments. Its versatile inputs and outputs, including SWS functionality, allow for seamless integration into a broad range of existing and new safety systems. The inclusion of removable terminals simplifies maintenance significantly.Order NowReady to enhance the safety and efficiency of your industrial operations? Purchase the Allen-Bradley 440R-GL2S2P Guardmaster Safety Relay today and experience unparalleled reliability and performance. Contact us for competitive pricing and expert support.FAQWhat is the primary function of the Allen-Bradley 440R-GL2S2P?The 440R-GL2S2P is a safety control device engineered for guard locking and proximity input applications, ensuring safety for personnel and machinery in industrial environments.What type of power supply does this safety relay require?It operates on a reliable 24V DC power supply, ensuring stable performance in various industrial settings.Can this safety relay be integrated into existing systems?Yes, its versatile inputs (including SWS) and outputs allow for seamless integration into a wide array of existing and new safety systems.What are the benefits of its removable terminals?Removable terminals facilitate quick and easy installation, maintenance, and troubleshooting, reducing setup time and labor costs.What industrial applications benefit most from this safety relay?It is ideal for guard locking, industrial automation, machine safety, conveyor and access control, emergency stop systems, robotic workcells, and process interlock systems.

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PRODUCT DETAILS

Allen-Bradley 440R-GL2S2P

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: 440R-GL2S2P
  • Brand: Allen-Bradley
  • Product Type: Safety Relay
  • Power Supply: 24V DC
  • Inputs: 1 Dual-Channel, 2 PNP Proximity, 1 SWS
  • Safety Outputs: 2 Normally Open (N.O.) PNP Solid-State Immediate
  • Auxiliary Output: 1 Normally Closed (N.C.) Solid-State
  • SWS Output: 1
  • Reset Mode: Configurable (Automatic, Manual, or Manual Monitored)
  • Terminal Type: Removable

Applications

  • Guardlocking and Safety Monitoring Systems: Crucial for securing hazardous zones and ensuring machinery remains inoperable when guards are open.
  • Industrial Automation and Machine Safety: Provides vital safety control in automated manufacturing processes, safeguarding operators and equipment.
  • Conveyor and Access Control Applications: Boosts safety by managing access points and regulating the operation of conveyor systems.
  • Emergency Stop and Fail-Safe Operations: Essential for implementing trustworthy emergency stop circuits and maintaining a safe status in the event of system failures.
  • Robotic Workcells: Ensures the secure operation of robotic systems by monitoring safety zones and controlling robot movement.
  • Process Interlock Systems: Used to create interlock systems that prevent unsafe operational sequences in complex industrial processes.

Why Choose the 440R-GL2S2P?

The Allen-Bradley 440R-GL2S2P excels in overall safety. It features advanced control through comprehensive configurations for inputs and outputs, ensuring prime protection. Its design is both sturdy and dependable. Built to Allen-Bradley's rigorous quality standards, this safety relay delivers consistent performance in challenging industrial environments. Its versatile inputs and outputs, including SWS functionality, allow for seamless integration into a broad range of existing and new safety systems. The inclusion of removable terminals simplifies maintenance significantly.

Availability & Shipping

  • In stock: 440R-GL2S2P 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-GL2S2P ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The 440R-GL2S2P is a safety control device engineered for guard locking and proximity input applications, ensuring safety for personnel and machinery in industrial environments.

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.

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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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