440R-EM4R2D | Allen-Bradley Guardmaster Expansion Module EMD
440R-EM4R2D | Allen-Bradley Guardmaster Expansion Module EMD
440R-EM4R2D | Allen-Bradley Guardmaster Expansion Module EMD
    440R-EM4R2D | Allen-Bradley Guardmaster Expansion Module EMD
440R-EM4R2D | Allen-Bradley Guardmaster Expansion Module EMD

440R-EM4R2D | Allen-Bradley Guardmaster Expansion Module EMD

Part #: 440R-EM4R2D Manufactured by: Allen-Bradley
$332.00
$332.00
1 in Stock
Condition: New-Surplus Original Box
Shipping calculated at checkout.
Product Overview
Allen Bradley 440R-EM4R2D Guardmaster Expansion Module Delayed Outputs Safety Relay (EMD), 1 N.C. Single Wire Safe Input, ...  Read more
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Product Description P/N: 440R-EM4R2D

Description / Specifications

Description 

Expansion Module,Delayed Outputs (EMD),Guardmaster,Monitoring Safety Relay, Single Wire Safe Only Input, Zero Auxiliary Outputs

 

Technical Specifications 

Brand Allen-Bradley
Delayed Output Yes
Part Number 440R-EM4R2D
Module Type Expansion Module
Number of Outputs 4
Product Type Safety Relay
Safety Relay Type EMD
Voltage 24 VDC
Wattage 3.5 W
Dimensions 119.4 x 113.6 x 22.5 mm
Mounting style DIN rail
Series 440-R

  

 

Information About 440R-EM4R2D

The Allen-Bradley 440R-EM4R2D is a Guardmaster Expansion Module (EMD) designed to enhance the functionality of safety systems. This module plays a crucial role in expanding the capabilities of Guardmaster safety relays, contributing to the overall safety and reliability of machinery and automation applications.

Key features of the 440R-EM4R2D include its ability to monitor two redundant safety outputs and provide feedback on the status of these outputs. This allows for advanced diagnostics and status monitoring, enabling quick identification of potential issues in the safety system.

The module is designed for use in safety applications where multiple outputs need to be monitored for redundancy and reliability. Its compact and modular design makes it easy to integrate into existing safety setups, enhancing the flexibility of safety relay configurations.

Additionally, the 440R-EM4R2D is suitable for applications requiring high levels of safety, as it conforms to relevant safety standards and regulations. Its robust construction and advanced features make it a valuable component in safety-critical environments, providing peace of mind in terms of personnel and equipment protection.



Manufacturer information

Allen-Bradley, a brand of Rockwell Automation, specializes in manufacturing industrial automation equipment. The product range includes programmable logic controllers (PLCs), motion control systems, safety devices, motor control equipment, automation software, and HMI panels. Allen-Bradley products are known for their reliability and integration with other systems.

Frequently Asked Questions about 440R-EM4R2D
Question: What are the main features of the 440R-EM4R2D?
Date Update:13/06/2025
Answer:

The 440R-EM4R2D offers several key safety and monitoring features:

  • Monitors redundant safety outputs for enhanced diagnostics
  • Provides delayed outputs for advanced timing requirements
  • Designed with zero auxiliary outputs for simplified configuration
  • Compact DIN-rail mountable form factor
  • Suitable for integration into Guardmaster safety relay systems

These attributes support critical safety functionality in modern automation systems.

Question: How do I install the 440R-EM4R2D?
Date Update:13/06/2025
Answer:

The module is designed for easy DIN rail installation, requiring no special tools. It should be securely snapped into place on the rail, ensuring proper orientation for electrical connections. Wiring should be performed in accordance with Allen-Bradley’s guidelines to maintain the safety integrity of the system.

Question: Can the 440R-EM4R2D be used in redundant safety circuits?
Date Update:13/06/2025
Answer:

Yes, it is specifically built for use in systems that require dual-channel or redundant safety outputs. It continuously monitors both outputs and provides feedback to the controller. This feature enhances the integrity of safety logic and enables predictive diagnostics to help prevent equipment downtime.

Question: Does the module have delayed outputs?
Date Update:13/06/2025
Answer:

Yes, the 440R-EM4R2D includes delayed outputs, making it suitable for applications requiring time-based activation. This allows users to control the sequence in which safety devices are activated or deactivated. Delayed output functionality is particularly useful in systems where machinery needs to shut down in a controlled order.

Question: Is the 440R-EM4R2D still in production?
Date Update:13/06/2025
Answer:

Yes, the 440R-EM4R2D is currently active in production. Its lifecycle status is marked as "Active" by Allen-Bradley, indicating it is available for purchase, integration, and long-term system planning. This guarantees continued support and replacement availability for safety-critical operations.

IQElectro is not an authorized distributor.
QElectro LLC (IQElectro) is NOT an Authorized Distributor or in any way affiliated with Rockwell Automation, Siemens, or any other Manufacturers. IQElectro is NOT an Authorized Dealer of this product. The product may be of older version, date codes, or design than that available from authorized dealers. As IQElectro is not an authorized dealer of this product, the Original Manufacturer's Warranty and Support DO NOT apply. IQElectro sells SURPLUS only and DOES NOT SELL SOFTWARE or FIRMWARE licenses For more detailed information, please refer to the full version of our disclaimer policy Disclaimer Policy.
Description / Specifications

Description 

Expansion Module,Delayed Outputs (EMD),Guardmaster,Monitoring Safety Relay, Single Wire Safe Only Input, Zero Auxiliary Outputs

 

Technical Specifications 

Brand Allen-Bradley
Delayed Output Yes
Part Number 440R-EM4R2D
Module Type Expansion Module
Number of Outputs 4
Product Type Safety Relay
Safety Relay Type EMD
Voltage 24 VDC
Wattage 3.5 W
Dimensions 119.4 x 113.6 x 22.5 mm
Mounting style DIN rail
Series 440-R

  

 

Information About 440R-EM4R2D

The Allen-Bradley 440R-EM4R2D is a Guardmaster Expansion Module (EMD) designed to enhance the functionality of safety systems. This module plays a crucial role in expanding the capabilities of Guardmaster safety relays, contributing to the overall safety and reliability of machinery and automation applications.

Key features of the 440R-EM4R2D include its ability to monitor two redundant safety outputs and provide feedback on the status of these outputs. This allows for advanced diagnostics and status monitoring, enabling quick identification of potential issues in the safety system.

The module is designed for use in safety applications where multiple outputs need to be monitored for redundancy and reliability. Its compact and modular design makes it easy to integrate into existing safety setups, enhancing the flexibility of safety relay configurations.

Additionally, the 440R-EM4R2D is suitable for applications requiring high levels of safety, as it conforms to relevant safety standards and regulations. Its robust construction and advanced features make it a valuable component in safety-critical environments, providing peace of mind in terms of personnel and equipment protection.



Manufacturer information

Allen-Bradley, a brand of Rockwell Automation, specializes in manufacturing industrial automation equipment. The product range includes programmable logic controllers (PLCs), motion control systems, safety devices, motor control equipment, automation software, and HMI panels. Allen-Bradley products are known for their reliability and integration with other systems.

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