RFU RFU55 is a relay module from Rockwell Automation, identified by model RFU55 and part number FA-NR:501731 with revision E113. This specific unit is cataloged under FA-NR:501731 and carries the E113 revision for traceability in ordering, installation, and maintenance within RFU control systems. As a relay module, it provides discrete switching capability intended for integration into industrial automation panels that use Rockwell Automation components.
