The Kellenberger Spindle Test Cabinet Motor Controller is a used high-voltage control unit designed for precision spindle testing and motor management. Operating on 460V, this cabinet-based system is engineered to interface with Kellenberger grinding machines or similar spindle-driven equipment, providing a safe, centralized platform to control spindle speed, monitor performance, and conduct diagnostics. Built with industrial-grade components and housed in a rugged enclosure, this controller is ideal for maintenance departments, spindle repair operations, and precision machine tool support.