New Allen-Bradley 440R-S12R2 Guardmaster Single Input Safety Relay 440RS12R2

Description:

The Allen-Bradley 440R-S12R2 Guardmaster Single Input Safety Relay is used in machine safety control systems to monitor emergency stop devices, safety gates, and other safety input circuits. It provides reliable safety monitoring with internal fault detection and safety-rated output contacts designed to help ensure safe machine shutdown during hazardous conditions. Commonly installed in manufacturing equipment, robotic work cells, packaging machines, and automated production lines, this relay supports compliance with industrial safety standards. Maintenance teams and system integrators use this safety relay for machine safety system repairs, safety circuit upgrades, equipment retrofits, and replacement of existing Guardmaster safety relays.

Applications:

The Allen-Bradley 440R-S12R2 Guardmaster safety relay is used in industrial safety systems where monitoring of safety devices is required to protect personnel and equipment. It is commonly applied in emergency stop circuits, safety gate monitoring, light curtain safety systems, and machine safety interlocks in manufacturing lines, packaging machinery, robotic cells, and automated industrial equipment.

Technical Specifications:

• Manufacturer Part Number (MPN): 440R-S12R2
• Product Type: Safety Relay
• Series: Guardmaster
• Safety Inputs: Single Input Channel
• Safety Outputs: 2 Normally Open (NO) Safety Contacts
• Auxiliary Outputs: 1 Normally Closed (NC) Auxiliary Contact
• Supply Voltage: 24V DC
• Safety Category: Category 4 / SIL 3 / PLe capable
• Reset Type: Automatic or Manual Reset
• Mounting Type: DIN Rail Mount
• Operating Temperature: -5 to 55 °C (23 to 131 °F)

Common Replacements:

• Allen-Bradley 440R-S13R2
• Allen-Bradley 440R-D22R2
• Allen-Bradley 440R-S12R1