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safety relay, 24V AC/DC, 2 N/O + 1 N/C contacts, removable terminals, DIN rail mount, Guardmaster series.

Allen-Bradley 440R-M23143

SKU: 40R-M23143
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$320.00
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Allen-Bradley 440R-M23143 | MSR127TP Safety Relay for Emergency Stop and Guard Monitoring

Overview

The Allen-Bradley 440R-M23143 is part of the Guardmaster MSR127TP safety relay series, offering reliable monitoring of emergency stop devices, safety gates, and light curtains. It operates with 24V AC/DC and provides 2 normally open safety outputs and 1 normally closed auxiliary output. The compact design, removable terminal blocks, and DIN rail mounting make it ideal for modern safety control panels.

Key Features

  • Input Power: 24V AC/DC

  • Safety Outputs: 2 N/O

  • Auxiliary Output: 1 N/C

  • Functionality: Emergency stop, gate monitoring, light curtain applications

  • Reset Options: Manual or automatic

  • Mounting: DIN rail

  • Terminals: Removable terminal blocks for easy wiring

  • Compact Design: Saves panel space

Technical Specifications

  • Catalog Number: 440R-M23143

  • Series: MSR127TP

  • Voltage Range: 24V AC/DC

  • Outputs: 2 N/O (safety), 1 N/C (auxiliary)

  • Power Consumption: Approx. 2.5W

  • Mounting: DIN rail

  • Housing Width: 22.5 mm

  • Operating Temp: -10°C to +55°C

  • Response Time: <20 ms

  • Certifications: UL, CE, cULus, TÜV, EN ISO 13849-1, SIL 3

Applications

  • Emergency stop circuits

  • Safety door interlock systems

  • Light curtain and two-hand control monitoring

  • Industrial machines and packaging lines

  • Material handling systems

Why Choose the 440R-M23143?

  • Flexible Safety Monitoring: Supports a range of input devices

  • Compact and Reliable: Built for modern safety applications

  • Quick Installation: Removable terminals simplify wiring

  • Global Standards: Certified for international safety compliance

  • Durable Performance: Proven reliability in harsh environments

Order Now

The Allen-Bradley 440R-M23143 MSR127TP safety relay is in stock and ready to ship worldwide. 

New & Genuine Products – Factory Sealed At PLCpartssolution, all our products are 100% new, genuine, and come in original factory-sealed packaging. We guarantee authentic components that meet the highest industry standards for performance and reliability.
1-Year Warranty Included All new products sold by PLCpartssolution come with a 1-year warranty. We stand behind the quality and reliability of our parts, ensuring coverage against manufacturing defects under normal operating conditions.
Disclaimer: PLCpartssolution is an independent supplier of surplus and refurbished industrial automation products. We are not an authorized distributor, reseller, or representative of the brands listed on this website. All trademarks, brand names, and logos are the property of their respective owners. PLCpartssolution is not affiliated with, endorsed by, or approved by ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other manufacturers mentioned.

Description

Allen-Bradley 440R-M23143 | MSR127TP Safety Relay for Emergency Stop and Guard Monitoring

Overview

The Allen-Bradley 440R-M23143 is part of the Guardmaster MSR127TP safety relay series, offering reliable monitoring of emergency stop devices, safety gates, and light curtains. It operates with 24V AC/DC and provides 2 normally open safety outputs and 1 normally closed auxiliary output. The compact design, removable terminal blocks, and DIN rail mounting make it ideal for modern safety control panels.

Key Features

  • Input Power: 24V AC/DC

  • Safety Outputs: 2 N/O

  • Auxiliary Output: 1 N/C

  • Functionality: Emergency stop, gate monitoring, light curtain applications

  • Reset Options: Manual or automatic

  • Mounting: DIN rail

  • Terminals: Removable terminal blocks for easy wiring

  • Compact Design: Saves panel space

Technical Specifications

  • Catalog Number: 440R-M23143

  • Series: MSR127TP

  • Voltage Range: 24V AC/DC

  • Outputs: 2 N/O (safety), 1 N/C (auxiliary)

  • Power Consumption: Approx. 2.5W

  • Mounting: DIN rail

  • Housing Width: 22.5 mm

  • Operating Temp: -10°C to +55°C

  • Response Time: <20 ms

  • Certifications: UL, CE, cULus, TÜV, EN ISO 13849-1, SIL 3

Applications

  • Emergency stop circuits

  • Safety door interlock systems

  • Light curtain and two-hand control monitoring

  • Industrial machines and packaging lines

  • Material handling systems

Why Choose the 440R-M23143?

  • Flexible Safety Monitoring: Supports a range of input devices

  • Compact and Reliable: Built for modern safety applications

  • Quick Installation: Removable terminals simplify wiring

  • Global Standards: Certified for international safety compliance

  • Durable Performance: Proven reliability in harsh environments

Order Now

The Allen-Bradley 440R-M23143 MSR127TP safety relay is in stock and ready to ship worldwide. 

Condition

New & Genuine Products – Factory Sealed At PLCpartssolution, all our products are 100% new, genuine, and come in original factory-sealed packaging. We guarantee authentic components that meet the highest industry standards for performance and reliability.

Warranty

1-Year Warranty Included All new products sold by PLCpartssolution come with a 1-year warranty. We stand behind the quality and reliability of our parts, ensuring coverage against manufacturing defects under normal operating conditions.

Disclaimer

Disclaimer: PLCpartssolution is an independent supplier of surplus and refurbished industrial automation products. We are not an authorized distributor, reseller, or representative of the brands listed on this website. All trademarks, brand names, and logos are the property of their respective owners. PLCpartssolution is not affiliated with, endorsed by, or approved by ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other manufacturers mentioned.
Allen-Bradley 440R-M23143

Allen-Bradley 440R-M23143

$320.00
Add to wishlist
Allen-Bradley 440R-M23143

Allen-Bradley 440R-M23143

Your Price:
$320.00
Item Added to Your Cart
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