New Allen-Bradley 440R-EM4R2D GSR Delayed Output Expansion Module 440REM4R2D

Description:

The Allen-Bradley 440R-EM4R2D GSR Delayed Output Expansion Module is used in industrial safety control systems to add delayed safety output channels to a Guardmaster safety relay or safety controller, enabling time-based safety function outputs. Commonly installed in machine safety circuits, emergency stop systems, and safety interlock applications where controlled delayed output response enhances safety system performance and hazard mitigation. Safety engineers, maintenance teams, and system integrators use this module for safety system expansions, retrofit installations, replacement of failed expansion units, and customization of safety control logic.

Applications:

The Allen-Bradley 440R-EM4R2D expansion module is commonly used in industrial automation environments including manufacturing production lines, robotic workcells, conveyor systems with safety gating, press lines, and process machinery where additional safety outputs with delayed behavior are required to coordinate interlocks, safe motion cessation, and controlled machine shutdown sequences.

Technical Specifications:

• Manufacturer: Allen-Bradley
• Model: 440R-EM4R2D
• Product Type: Safety Relay Expansion Module
• Function: Provides delayed safety output channels for safety systems
• Compatibility: Guardmaster safety relay and safety controller systems (model dependent)
• Output Type: Safety rated delayed relay outputs
• Safety Category: Designed to integrate with monitored safety systems
• Mounting Type: DIN rail or panel mount safety module
• Power Supply: Industrial control voltage (model dependent)
• Indicators: Status LEDs for output and module state (model dependent)
• Application Category: Safety output expansion for machine safeguarding
• Operating Temperature Range: Industrial-rated conditions
• Protection Rating: Installed within safety control enclosure

Common Replacements:

• Allen-Bradley 440R-EM2R2D Safety Expansion Module
• Allen-Bradley 440R-EM4R1 Safety Expansion Module
• Omron G9SX Safety Output Expansion Module