Yaskawa Electric Corporation 002-4321-045 Rotary Interface Assembly

The Yaskawa Electric 002-4321-045 Rotary Interface Assembly is a precision interface designed for Sigma II servo systems to enable reliable signal transfer and feedback between rotating components and stationary control electronics. Installed as an internal assembly within Yaskawa servo motors, encoders, or motion-control assemblies, it maintains a continuous electrical connection during shaft rotation to support accurate feedback and stable servo performance in CNC machines, robotic systems, and other precision motion equipment. Maintenance teams and system integrators rely on this part for repair, retrofit, or replacement of rotary interface components in Yaskawa servo systems. Key specifications include manufacturer Yaskawa Electric; part number 002-4321-045; product type Rotary Interface Assembly; series compatibility Sigma II servo systems; function signal and feedback transmission for rotating components; applications servo motors, encoders, and motion control assemblies; installation internal within servo motors or encoders; construction precision rotary interface mechanism; system role maintains continuous electrical connection during rotation; common replacements 002-4321-044, 002-4321-046, 002-4321-047.