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Allen-Bradley 440R-E23191
by Allen-Bradley
Read verified buyer reviews ↓OverviewElevate the safety of your industrial automation systems with the Allen-Bradley 440R-E23191 MSR132E Minotaur Safety Expansion Unit. This essential component is engineered to seamlessly integrate into existing safety circuits, significantly increasing the capacity for safety outputs. Designed for optimal performance in demanding environments, the 440R-E23191 operates efficiently with a versatile 24V AC/DC power supply. Its compact 22.5mm footprint makes it ideal for panel-space optimization without compromising on critical safety functionality. Featuring four normally open (N.O.) safety outputs and two normally closed (N.C.) immediate auxiliary outputs, this unit ensures rapid and dependable response times. With fixed terminals for secure wiring and a no-delay function, the 440R-E23191 Minotaur provides peace of mind through enhanced safety and operational integrity.Key Features Expanded Safety Output Capacity: Incorporates 4 Normally Open (N.O.) safety outputs to significantly enhance your system's safety circuit capabilities, allowing for more comprehensive safeguarding solutions. Immediate Auxiliary Feedback: Equipped with 2 Normally Closed (N.C.) immediate auxiliary outputs, providing crucial real-time status monitoring for enhanced safety system diagnostics and control. Versatile Power Compatibility: Designed to operate on a 24V AC/DC power supply, ensuring broad compatibility with a wide range of industrial control panels and existing power infrastructures. Space-Saving Design: Its ultra-compact 22.5mm case width allows for efficient utilization of panel space, simplifying installation and integration into crowded control cabinets. Reliable Fixed Terminals: Features robust fixed terminals that ensure secure and stable wiring connections, minimizing downtime and enhancing system reliability in harsh industrial settings. Instantaneous Safety Response: Engineered with a no-delay function, guaranteeing an immediate and critical safety response, which is paramount in emergency stop and interlock applications. Technical Specifications Model: 440R-E23191 Series: MSR132E Minotaur Brand: Allen-Bradley Power Supply: 24V AC/DC Safety Outputs: 4 N.O. Auxiliary Outputs: 2 N.C. Immediate Terminal Type: Fixed Case Width: 22.5mm Delay Function: No Delay Applications Integral to industrial machine safety circuit expansion, adding layers of protection for complex machinery. Crucial component in emergency stop (E-stop) systems, providing reliable and immediate shutdown capabilities. Enhances interlock safety systems, preventing machine operation under unsafe conditions. Essential for manufacturing and automation safety compliance, meeting stringent industry regulations. Optimized for conveyor and robotic safety applications, safeguarding personnel and equipment in dynamic environments. Used in diverse industrial settings requiring robust and expandable safety solutions. Why Choose This Model?As an Allen-Bradley product, the 440R-E23191 builds on a legacy of industrial trust and proven performance, ensuring long-term operational stability. It is expertly designed to expand the safety output capacity of existing systems effortlessly, making it a cost-effective solution for growing safety requirements. The no-delay function provides instantaneous safety action, a critical feature for protecting personnel and preventing equipment damage in high-risk scenarios. Its slender 22.5mm profile allows for flexible installation in control panels where space is a premium, contributing to a clean and organized setup. With fixed terminals and straightforward specifications, the 440R-E23191 offers a hassle-free integration process, reducing installation time and complexity. Implementing this Allen-Bradley safety relay helps achieve compliance with critical industrial safety standards, providing confidence in your system.Order NowReady to enhance your industrial safety system? Contact us today to learn more about the Allen-Bradley 440R-E23191 MSR132E Minotaur Safety Expansion Unit or to place your order. Our experts are here to assist you in selecting the right components for your specific requirements.FAQWhat is the primary function of the Allen-Bradley 440R-E23191?The primary function of this unit is to expand the safety output capacity of existing industrial safety circuits, providing additional safety outputs for complex machinery and systems.What type of power supply does the 440R-E23191 require?The 440R-E23191 is designed to operate with a versatile 24V AC/DC power supply, ensuring broad compatibility across various industrial setups.How many safety outputs does this unit provide?It provides four normally open (N.O.) safety outputs to significantly enhance the safety capabilities of your system.Does the 440R-E23191 have auxiliary outputs?Yes, it includes two normally closed (N.C.) immediate auxiliary outputs for real-time status monitoring and enhanced diagnostic control.What is the advantage of its compact 22.5mm case width?The compact 22.5mm case width allows for efficient use of panel space, simplifying installation and integration into control cabinets where space is often limited.Is the 440R-E23191 suitable for emergency stop applications?Absolutely. With its no-delay function, it guarantees an immediate and critical safety response, making it ideal for emergency stop and interlock applications.
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Allen-Bradley 440R-E23191
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:
- Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- 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-E23191
- Series: MSR132E Minotaur
- Brand: Allen-Bradley
- Power Supply: 24V AC/DC
- Safety Outputs: 4 N.O.
- Auxiliary Outputs: 2 N.C. Immediate
- Terminal Type: Fixed
- Case Width: 22.5mm
- Delay Function: No Delay
Applications
- Integral to industrial machine safety circuit expansion, adding layers of protection for complex machinery.
- Crucial component in emergency stop (E-stop) systems, providing reliable and immediate shutdown capabilities.
- Enhances interlock safety systems, preventing machine operation under unsafe conditions.
- Essential for manufacturing and automation safety compliance, meeting stringent industry regulations.
- Optimized for conveyor and robotic safety applications, safeguarding personnel and equipment in dynamic environments.
- Used in diverse industrial settings requiring robust and expandable safety solutions.
Why Choose the 440R-E23191?
As an Allen-Bradley product, the 440R-E23191 builds on a legacy of industrial trust and proven performance, ensuring long-term operational stability. It is expertly designed to expand the safety output capacity of existing systems effortlessly, making it a cost-effective solution for growing safety requirements. The no-delay function provides instantaneous safety action, a critical feature for protecting personnel and preventing equipment damage in high-risk scenarios. Its slender 22.5mm profile allows for flexible installation in control panels where space is a premium, contributing to a clean and organized setup. With fixed terminals and straightforward specifications, the 440R-E23191 offers a hassle-free integration process, reducing installation time and complexity. Implementing this Allen-Bradley safety relay helps achieve compliance with critical industrial safety standards, providing confidence in your system.
Availability & Shipping
- ▸In stock: 440R-E23191 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-E23191 ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Allen-Bradley
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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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.