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Allen-Bradley 440R-M23092 MSR138.1DP safety relay for industrial automation and machinery protection

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Allen-Bradley 440R-M23092

by Allen-Bradley

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OverviewThe Allen-Bradley 440R-M23092 MSR138.1DP is a dependable safety relay engineered to protect both personnel and equipment within industrial settings. Supporting Stop Category 1 requirements, this adaptable relay delivers both immediate and precisely timed delayed safety outputs, significantly improving overall machine and process security. Operating on a 24V AC/DC power supply, the MSR138.1DP offers extensive versatility with selectable safety inputs, accommodating 1 N.C., 2 N.C., or light curtain inputs. Its configurable delay setting, from 1.5 to 30 seconds, ensures regulated stopping of hazardous movement, making it an essential component for a wide array of industrial automation and vital safety applications.Key Features Stop Category 1 Compliance: Designed for controlled shutdown of high-risk machinery. Adjustable Timed Outputs: Includes two normally open and one normally closed auxiliary contact for precise safety integration. Instantaneous Safety Outputs: Features two normally open contacts for immediate safety response. Configurable Safety Inputs: Supports single N.C., dual N.C., or light curtain options for broad compatibility. Flexible Delay Interval: Easily adjustable from 1.5 to 30 seconds for accurate control over stopping sequences. 24V AC/DC Power: Ensures compatibility with common industrial electrical systems. Compact DIN Rail Mount: Enables straightforward installation and integration into control panels. Technical Specifications Model: 440R-M23092 (MSR138.1DP) Supply Voltage: 24V AC/DC Safety Stop Category: 1 Safety Inputs: 1 N.C., 2 N.C., or Light Curtain Instantaneous Safety Outputs: 2 N.O. Delayed Safety Outputs: 2 N.O. + 1 N.C. Auxiliary Adjustable Delay Range: 1.5 - 30 seconds Housing Width: 45mm Mounting Type: DIN Rail Certifications: CE, UL, CSA, TÜV Applications Machinery Security & Motion Control: Facilitates controlled and safe cessation of industrial equipment. Conveyor & Material Handling: Provides essential safety monitoring with timed delayed stop functions to prevent incidents. Robotics & Automated Systems: Boosts the safety of operators and the entire system, enabling secure interaction. Light Curtain Safety Integration: Works seamlessly with light curtains for robust perimeter and access protection. Presses and Punching Equipment: Crucial for ensuring correct safety protocols during operation and emergency shutdowns. Packaging Equipment: Safeguards personnel during use and maintenance through reliable safety interlocks. Why Choose This Model? Enhanced Machine Protection: The combination of immediate and delayed outputs, along with Stop Category 1 adherence, offers superior machine and personnel safeguarding. Unmatched Adaptability: Configurable safety inputs and an adjustable delay range allow for effortless integration into various safety circuits and uses. Dependable Performance: As an Allen-Bradley product, the MSR138.1DP is constructed to stringent industrial criteria, guaranteeing lasting reliability and consistent operation in challenging environments. Simple Installation: Its compact design, DIN rail mounting, and standard 24V AC/DC power make installation and configuration quick and easy. Global Recognitions: With TÜV, CE, UL, and CSA certifications, this safety relay conforms to rigorous international safety standards, providing assurance. Optimized Efficiency: By enabling controlled stops, the relay minimizes unexpected downtime, contributing to improved operational productivity while upholding the highest safety levels. Order NowUpgrade your industrial safety measures with the Allen-Bradley 440R-M23092 MSR138.1DP Safety Relay. Experience the confidence that comes with robust protection, flexible capabilities, and the proven dependability of Allen-Bradley. Benefit from rapid shipping and global delivery options to receive your crucial safety components when you need them most. Explore our comprehensive selection of Guardmaster 440R relays.

🇺🇸 Ships from our Florida warehouse
1-Year PALM Parts Warranty
CONDITION
$1,014.00
5 in stock

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PRODUCT DETAILS

Allen-Bradley 440R-M23092

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-M23092 (MSR138.1DP)
  • Supply Voltage: 24V AC/DC
  • Safety Stop Category: 1
  • Safety Inputs: 1 N.C., 2 N.C., or Light Curtain
  • Instantaneous Safety Outputs: 2 N.O.
  • Delayed Safety Outputs: 2 N.O. + 1 N.C. Auxiliary
  • Adjustable Delay Range: 1.5 - 30 seconds
  • Housing Width: 45mm
  • Mounting Type: DIN Rail
  • Certifications: CE, UL, CSA, TÜV

Applications

  • Machinery Security & Motion Control: Facilitates controlled and safe cessation of industrial equipment.
  • Conveyor & Material Handling: Provides essential safety monitoring with timed delayed stop functions to prevent incidents.
  • Robotics & Automated Systems: Boosts the safety of operators and the entire system, enabling secure interaction.
  • Light Curtain Safety Integration: Works seamlessly with light curtains for robust perimeter and access protection.
  • Presses and Punching Equipment: Crucial for ensuring correct safety protocols during operation and emergency shutdowns.
  • Packaging Equipment: Safeguards personnel during use and maintenance through reliable safety interlocks.

Why Choose the 440R-M23092?

  • Enhanced Machine Protection: The combination of immediate and delayed outputs, along with Stop Category 1 adherence, offers superior machine and personnel safeguarding.
  • Unmatched Adaptability: Configurable safety inputs and an adjustable delay range allow for effortless integration into various safety circuits and uses.
  • Dependable Performance: As an Allen-Bradley product, the MSR138.1DP is constructed to stringent industrial criteria, guaranteeing lasting reliability and consistent operation in challenging environments.
  • Simple Installation: Its compact design, DIN rail mounting, and standard 24V AC/DC power make installation and configuration quick and easy.
  • Global Recognitions: With TÜV, CE, UL, and CSA certifications, this safety relay conforms to rigorous international safety standards, providing assurance.
  • Optimized Efficiency: By enabling controlled stops, the relay minimizes unexpected downtime, contributing to improved operational productivity while upholding the highest safety levels.

Availability & Shipping

  • In stock: 440R-M23092 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-M23092 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

Yes. Every 440R-M23092 we ship is sourced through trusted industrial channels and inspected before dispatch. PALM Parts Solution operates as an independent supplier, not an authorized distributor.

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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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.

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PALM Parts Solution sells used surplus products. PALM Parts Solution is not an authorized distributor, affiliate, or representative for the brands we carry. Products sold by PALM Parts Solution come with PALM Parts Solution's 1-Year Warranty and do not come with the original manufacturer's warranty. Designated trademarks, brand names and brands appearing herein are the property of their respective owners. This website is not sanctioned or approved by any manufacturer or tradename listed.

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