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Allen-Bradley 440R-N23131 MSR127TP
by Allen-Bradley
Read verified buyer reviews ↓OverviewUpgrade your industrial safety protocols with the Allen-Bradley 440R-N23131 MSR127TP Minotaur Safety Relay. This advanced safety component is engineered for precise, dependable performance, specifically crafted for applications requiring Stop Category 0, ensuring an instant and secure halt during critical events. Its remarkably slim 22.5mm enclosure is perfect for control panels with limited space, allowing seamless integration without sacrificing robust safety capabilities. Operating efficiently on a 115V AC power supply, the MSR127TP offers excellent adaptability with numerous input options, including one or two normally closed contacts, and full compatibility with modern light curtain devices. Featuring three normally open safety outputs and one normally closed auxiliary output, this relay is prepared for a wide array of industrial safety operations. Additionally, the ease of selectable automatic or manual reset modes empowers you to customize the relay's response to fit your specific operational preferences, optimizing both safety and productivity.Key Features Certified Stop Category 0 Safety: Ensures immediate and secure shutdown in emergency situations, protecting personnel and machinery. Space-Saving Profile: With a width of just 22.5mm, this relay significantly conserves panel space, ideal for dense control environments. Adaptable Input Options: Supports single or dual normally closed inputs and integrates smoothly with light curtains, providing diverse application in various safety systems. Versatile Output Management: Includes three normally open safety outputs for essential device control and one normally closed auxiliary output for comprehensive system monitoring. Effortless Installation & Maintenance: Equipped with removable screw terminals for rapid, uncomplicated wiring and simplified ongoing servicing. Configurable Reset Settings: Choose between automatic or manual reset modes to perfectly align with your operational processes and safety standards. Robust Industrial Construction: Manufactured to Allen-Bradley's rigorous specifications, guaranteeing consistent, reliable performance in demanding industrial environments. Technical Specifications Brand: Allen-Bradley Model: 440R-N23131 (MSR127TP) Safety Category: Stop Category 0 Supply Voltage: 115V AC Input Configuration: 1 N.C., 2 N.C., Light curtain compatible Safety Outputs: 3 Normally Open (N.O.) Auxiliary Outputs: 1 Normally Closed (N.C.) Reset Options: Auto/Manual Case Design: Compact 22.5mm housing Terminal Type: Removable screw terminals Certifications: CE, UL, cULus, TUV Compliance: IEC 60947-5-1 Applications Emergency Stop Systems: Provides a critical and dependable stopping mechanism to safeguard workers in hazardous settings. Light Curtain Integration: Integrates seamlessly with optical guarding solutions to enhance machine safety and avert accidents. Machinery Safety Interlocks: Perfect for controlling industrial equipment where safety interlocks are crucial for operational integrity. Automated System Safety: Supports vital safety protocols within complex automated production lines and robotic cells. Conveyor System Protection: Ensures the secure operation of conveyor belts and material handling systems by delivering essential safety functionality. Process Control Safety: Essential for implementing safety measures in diverse process control applications to protect both equipment and personnel. Why Choose the Allen-Bradley 440R-N23131?This safety relay distinguishes itself through its adherence to global compliance standards, an intelligent space-saving design, and the established reliability of Allen-Bradley products.Unwavering Global ComplianceCertified to rigorous international safety standards (CE, UL, TUV, cULus), this product guarantees trustworthiness for global applications, ensuring peace of mind regarding regulatory requirements.Superior Space OptimizationIts innovative compact design allows you to maximize control panel space without compromising on critical safety performance, a vital feature for modern industrial layouts.Allen-Bradley's Proven ReliabilityBenefit from the industry-leading reputation of Allen-Bradley, a name synonymous with unparalleled quality, durability, and innovation in industrial automation, ensuring a long-lasting and dependable solution.Order NowSecure your operations with the Allen-Bradley 440R-N23131 MSR127TP Safety Relay. Contact us today to place your order or to learn more about how this exceptional product can enhance your industrial safety systems.FAQWhat is Stop Category 0 safety?Stop Category 0 implies an immediate and uncontrolled stop by direct removal of power to the machine actuators. This ensures the quickest possible cessation of hazardous motion.Can this relay be used with different input devices?Yes, the 440R-N23131 MSR127TP offers flexible input configurations, supporting 1 normally closed (N.C.) or 2 normally closed (N.C.) contacts, and is fully compatible with light curtain devices for diverse applications.What are the benefits of its compact design?The compact 22.5mm housing is a significant advantage for control panels with limited space, allowing for high-density installations without impacting safety performance or requiring extensive panel modifications.How does the auto/manual reset feature work?The selectable auto or manual reset options allow users to configure how the relay is re-enabled after a safety event. Auto-reset immediately re-energizes the system upon fault clearance, while manual reset requires an operator input, offering greater control based on specific operational needs.
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Allen-Bradley 440R-N23131 MSR127TP
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
- Brand: Allen-Bradley
- Model: 440R-N23131 (MSR127TP)
- Safety Category: Stop Category 0
- Supply Voltage: 115V AC
- Input Configuration: 1 N.C., 2 N.C., Light curtain compatible
- Safety Outputs: 3 Normally Open (N.O.)
- Auxiliary Outputs: 1 Normally Closed (N.C.)
- Reset Options: Auto/Manual
- Case Design: Compact 22.5mm housing
- Terminal Type: Removable screw terminals
- Certifications: CE, UL, cULus, TUV
- Compliance: IEC 60947-5-1
Applications
- Emergency Stop Systems: Provides a critical and dependable stopping mechanism to safeguard workers in hazardous settings.
- Light Curtain Integration: Integrates seamlessly with optical guarding solutions to enhance machine safety and avert accidents.
- Machinery Safety Interlocks: Perfect for controlling industrial equipment where safety interlocks are crucial for operational integrity.
- Automated System Safety: Supports vital safety protocols within complex automated production lines and robotic cells.
- Conveyor System Protection: Ensures the secure operation of conveyor belts and material handling systems by delivering essential safety functionality.
- Process Control Safety: Essential for implementing safety measures in diverse process control applications to protect both equipment and personnel.
Why Choose the 440R-N23131?
This safety relay distinguishes itself through its adherence to global compliance standards, an intelligent space-saving design, and the established reliability of Allen-Bradley products.
Unwavering Global Compliance
Certified to rigorous international safety standards (CE, UL, TUV, cULus), this product guarantees trustworthiness for global applications, ensuring peace of mind regarding regulatory requirements.
Superior Space Optimization
Its innovative compact design allows you to maximize control panel space without compromising on critical safety performance, a vital feature for modern industrial layouts.
Allen-Bradley's Proven Reliability
Benefit from the industry-leading reputation of Allen-Bradley, a name synonymous with unparalleled quality, durability, and innovation in industrial automation, ensuring a long-lasting and dependable solution.
Availability & Shipping
- ▸In stock: 440R-N23131 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-N23131 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.