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Allen-Bradley 440R-D22S2 MSR127R safety relay, 24V DC, dual-channel, 3NO/1NC outputs, DIN rail mount.

Allen-Bradley 440R-D22S2

SKU: 440R-D22S2
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$530.00
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Allen-Bradley 440R-D22S2

Overview

The Allen-Bradley 440R-D22S2 is a safety monitoring relay from the Guardmaster MSR127R series, designed to provide reliable performance in machine safety applications. With a 24V DC operating voltage, dual-channel inputs, and 3 normally open and 1 normally closed safety outputs, this relay is commonly used for emergency stop buttons, safety gates, and interlocks.

Key Features

  • Series: Guardmaster MSR127R

  • Input Type: Dual-channel safety inputs

  • Output Configuration: 3 N.O. safety + 1 N.C. auxiliary

  • Operating Voltage: 24V DC

  • Reset Type: Manual or automatic (jumper selectable)

  • Suitable for Category 4 / PLe safety circuits

  • Compact housing with DIN rail mount

  • LED indicators for status and diagnostics

Technical Specifications

  • Catalog Number: 440R-D22S2

  • Input Power Supply: 24V DC ±20%

  • Safety Outputs: 3 Normally Open (N.O.), Relay

  • Auxiliary Output: 1 Normally Closed (N.C.), Relay

  • Contact Rating: 250V AC / 6A resistive

  • Response Time: < 25 ms

  • Mounting: 35 mm DIN rail

  • Operating Temperature: -10 to 55 °C (14 to 131 °F)

  • Enclosure Type: IP40 (housing), IP20 (terminals)

  • Certifications: CE, UL, TUV, cULus

Applications

  • Emergency stop circuits

  • Safety gate and interlock systems

  • Light curtain safety circuits

  • Two-hand control stations

  • Presses and automated machinery

Why Choose the 440R-D22S2?

  • Reliable performance in high-risk safety applications

  • Dual-channel input supports redundancy

  • Compact and easy to install on DIN rails

  • Compatible with a wide range of safety devices

  • Designed for use in SIL 3 / PLe safety systems

Order Now

The Allen-Bradley 440R-D22S2 safety relay is in stock and ready for immediate delivery. 

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-D22S2

Overview

The Allen-Bradley 440R-D22S2 is a safety monitoring relay from the Guardmaster MSR127R series, designed to provide reliable performance in machine safety applications. With a 24V DC operating voltage, dual-channel inputs, and 3 normally open and 1 normally closed safety outputs, this relay is commonly used for emergency stop buttons, safety gates, and interlocks.

Key Features

  • Series: Guardmaster MSR127R

  • Input Type: Dual-channel safety inputs

  • Output Configuration: 3 N.O. safety + 1 N.C. auxiliary

  • Operating Voltage: 24V DC

  • Reset Type: Manual or automatic (jumper selectable)

  • Suitable for Category 4 / PLe safety circuits

  • Compact housing with DIN rail mount

  • LED indicators for status and diagnostics

Technical Specifications

  • Catalog Number: 440R-D22S2

  • Input Power Supply: 24V DC ±20%

  • Safety Outputs: 3 Normally Open (N.O.), Relay

  • Auxiliary Output: 1 Normally Closed (N.C.), Relay

  • Contact Rating: 250V AC / 6A resistive

  • Response Time: < 25 ms

  • Mounting: 35 mm DIN rail

  • Operating Temperature: -10 to 55 °C (14 to 131 °F)

  • Enclosure Type: IP40 (housing), IP20 (terminals)

  • Certifications: CE, UL, TUV, cULus

Applications

  • Emergency stop circuits

  • Safety gate and interlock systems

  • Light curtain safety circuits

  • Two-hand control stations

  • Presses and automated machinery

Why Choose the 440R-D22S2?

  • Reliable performance in high-risk safety applications

  • Dual-channel input supports redundancy

  • Compact and easy to install on DIN rails

  • Compatible with a wide range of safety devices

  • Designed for use in SIL 3 / PLe safety systems

Order Now

The Allen-Bradley 440R-D22S2 safety relay is in stock and ready for immediate delivery. 

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-D22S2

Allen-Bradley 440R-D22S2

$530.00
Add to wishlist
Allen-Bradley 440R-D22S2

Allen-Bradley 440R-D22S2

Your Price:
$530.00
Item Added to Your Cart
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