New Allen-Bradley 440R-EM4R2 Guardmaster Safety Relay Expand Module 440REM4R2

Description:

The Allen-Bradley 440R-EM4R2 Guardmaster Safety Relay Expansion Module is used in industrial safety control systems to provide additional safety relay outputs and expansion capability when paired with Guardmaster safety relays and controllers. Commonly installed in machine safety panels, automated production systems, and control cabinets where expanded safety output channels are required to monitor more safety devices such as e-stops, safety gates, and light curtains. Safety engineers, maintenance teams, and system integrators use this expansion module for safety system upgrades, retrofit installations, replacement of failed expansion units, and ensuring scalable safety control logic.

Applications:

The Allen-Bradley 440R-EM4R2 expansion module is commonly used in industrial automation environments including manufacturing production lines, robotic workcells, press and forming lines, packaging machinery, material handling systems, and guarded machine enclosures where additional safety outputs are needed to interface with multiple safety devices and controlled stop circuits.

Technical Specifications:

• Manufacturer: Allen-Bradley
• Model: 440R-EM4R2
• Product Type: Guardmaster Safety Relay Expansion Module
• Function: Provides additional safety relay output channels for expanded safety logic
• Compatibility: Designed to work with 440R Guardmaster safety relays and controllers
• Output Type: Safety rated relay outputs (model dependent count)
• Mounting Type: DIN rail or panel mounted expansion module
• Interfaces: Connects to safety relay base unit to extend outputs
• Application Category: Machine safety, emergency stop, guard monitoring systems
• Operating Temperature Range: Industrial rated conditions
• Protection Rating: Installed within safety control enclosure

Common Replacements:

• Allen-Bradley 440R-EM4R1 Guardmaster Expansion Module
• Allen-Bradley 440R-EM2R2 Guardmaster Safety Expansion Module
• Omron G9SX Safety Relay Output Expansion Module