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Allen-Bradley 440R-M23088

SKU: 440R-M23088
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Allen-Bradley 440R-M23088 | Guardmaster MSR138.1DP Delayed Safety Relay

Overview

The Allen-Bradley 440R-M23088, part of the Guardmaster MSR138.1DP series, is a safety relay that provides adjustable delayed outputs for applications requiring timed deactivation of actuators or controlled shutdown. Operating at 24V AC/DC, this compact relay supports Category 4 / PLe safety functions with two normally open delayed outputs.

Key Features

  • Input Voltage: 24V AC/DC

  • Delayed Safety Outputs: 2 N.O. contacts

  • Adjustable Time Delay: 0.5 to 10 seconds

  • Reset Modes: Manual monitored, automatic, or manual reset

  • Status Indicators: LEDs for power and fault status

  • Terminals: Removable screw-clamp terminals

  • Mounting Type: DIN rail

  • Housing Width: 45 mm

  • Standards: Meets EN ISO 13849-1, EN 62061, IEC 61508

  • Safety Category: Category 4 / PLe / SIL 3

Technical Specifications

  • Catalog Number: 440R-M23088

  • Power Consumption: Approx. 2.2 W

  • Output Contact Rating: 250V AC, 6A resistive

  • Max Switching Frequency: 1 operation/sec

  • Operating Temperature: -10°C to 55°C

  • Storage Temperature: -40°C to 85°C

  • Ingress Protection: IP40 (housing), IP20 (terminals)

  • Dimensions (W x H x D): 45 x 99 x 114 mm

  • Weight: ~200 g

Applications

  • Emergency stop systems

  • Light curtain and safety gate interlocks

  • Controlled stop of motors and actuators

  • Safety PLC-based machine protection

  • Delayed release of pneumatic or hydraulic power

Why Choose the 440R-M23088?

  • Flexible Delayed Timing: Safely manage shutdown sequencing

  • Compact DIN Rail Design: Saves panel space

  • High Safety Compliance: PLe and SIL 3 certified

  • Simple Installation: Removable terminals and clear status indicators

  • Proven Reliability: Robust for harsh industrial environments

Order Now

The Allen-Bradley 440R-M23088 safety relay is ready for fast 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-M23088 | Guardmaster MSR138.1DP Delayed Safety Relay

Overview

The Allen-Bradley 440R-M23088, part of the Guardmaster MSR138.1DP series, is a safety relay that provides adjustable delayed outputs for applications requiring timed deactivation of actuators or controlled shutdown. Operating at 24V AC/DC, this compact relay supports Category 4 / PLe safety functions with two normally open delayed outputs.

Key Features

  • Input Voltage: 24V AC/DC

  • Delayed Safety Outputs: 2 N.O. contacts

  • Adjustable Time Delay: 0.5 to 10 seconds

  • Reset Modes: Manual monitored, automatic, or manual reset

  • Status Indicators: LEDs for power and fault status

  • Terminals: Removable screw-clamp terminals

  • Mounting Type: DIN rail

  • Housing Width: 45 mm

  • Standards: Meets EN ISO 13849-1, EN 62061, IEC 61508

  • Safety Category: Category 4 / PLe / SIL 3

Technical Specifications

  • Catalog Number: 440R-M23088

  • Power Consumption: Approx. 2.2 W

  • Output Contact Rating: 250V AC, 6A resistive

  • Max Switching Frequency: 1 operation/sec

  • Operating Temperature: -10°C to 55°C

  • Storage Temperature: -40°C to 85°C

  • Ingress Protection: IP40 (housing), IP20 (terminals)

  • Dimensions (W x H x D): 45 x 99 x 114 mm

  • Weight: ~200 g

Applications

  • Emergency stop systems

  • Light curtain and safety gate interlocks

  • Controlled stop of motors and actuators

  • Safety PLC-based machine protection

  • Delayed release of pneumatic or hydraulic power

Why Choose the 440R-M23088?

  • Flexible Delayed Timing: Safely manage shutdown sequencing

  • Compact DIN Rail Design: Saves panel space

  • High Safety Compliance: PLe and SIL 3 certified

  • Simple Installation: Removable terminals and clear status indicators

  • Proven Reliability: Robust for harsh industrial environments

Order Now

The Allen-Bradley 440R-M23088 safety relay is ready for fast 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-M23088

Allen-Bradley 440R-M23088

$510.00
Add to wishlist
Allen-Bradley 440R-M23088

Allen-Bradley 440R-M23088

Your Price:
$510.00
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