Overview
The Allen-Bradley 440S-SF5D is a GuardLink Enabled connection tap designed to integrate safety input devices into a GuardLink safety system. This 5-Pin OSSD (Output Signal Switching Device) tap serves as a critical component in Guardmaster® safety relay architectures, enabling tamper-proof and diagnostically-rich safety signal connections for industrial applications requiring Category 3 performance or higher.
Key Features
- GuardLink Safety Protocol: Implements safety-based communication protocol linking safety devices to The Connected Enterprise for advanced diagnostics and visibility
- 5-Pin OSSD Configuration: M12 Female connector providing standardized quick-disconnect interface for consistent safety device integration
- Single-Wire Relay Connection: Simplifies installation and wiring complexity compared to traditional series-connected safety circuits
- Compact Design: DIN-rail compatible form factor saves panel space while delivering full safety functionality
- Multi-Standard Certifications: CE, cULus, RCM, CCC, and KC rated for global industrial use
Technical Specifications
- Operating Voltage: 24 VDC
- Connector Type: M12 Female, 5-Pin Micro
- Device Type: OSSD (Output Signal Switching Device) GuardLink Enabled Tap
- Ingress Protection: IP67
- Operating Temperature: -25°C to +70°C (-13°F to +158°F)
- Storage Temperature: -40°C to +85°C (-40°F to +185°F)
- Dimensions: 79.64 x 38.5 x 17 mm (3.14 x 1.51 x 0.67 inches)
- Shipping Weight: 27.2 g (0.96 oz)
- Housing Material: Red ABS MG47C Polycarbonate
- Certifications: CE, cULus, RCM, CCC, KC
Typical Applications
The 440S-SF5D is widely deployed in machine safety systems requiring Category 3 safety integrity levels. Common applications include:
- Guard door interlock monitoring on industrial machinery
- Emergency stop (e-stop) circuit integration with safety relays
- Safety PLC input expansion and remote device connectivity
- Machine tool and pressing equipment safety networks
- Modular production systems with hot-swap safety requirements
Compatibility & Replacements
Compatible With
- Rockwell Automation GuardLink System (440R-DG2R2T Safety Relay host)
- Guardmaster® dual GuardLink safety relay modules
- GuardLink-enabled smart safety devices and sensors
- M12 female quick-disconnect connectors (5-pin OSSD standard)
- Guardmaster safety terminator (898D-418U-DM2) for circuit closure
- Rockwell Automation 440R-ENETR EtherNet/IP Network Interface (optional expansion)
Replaces / Drop-In Replacement For
The 440S-SF5D serves as the standard 5-pin OSSD configuration in GuardLink tap families. Alternative models in the GuardLink tap series include 440S-SF8D (8-pin), 440S-MF5D, and 440S-MF8D. Verify your application's pin configuration requirements before ordering.
Works With
- GuardLink Safety Communication Protocol
- Rockwell Automation safety relay programming and configuration tools
- EtherNet/IP network connectivity (via 440R-ENETR interface)
- M12 connector ecosystem (quick-disconnect male/female pairs)
