The Eaton NSB SPX001A1-4A1B1 Variable Frequency Drive is a motor drive and speed controller from Eaton in the NSB family. As a VFD, it regulates AC motor speed by adjusting output frequency (and voltage), enabling variable-speed operation. The SPX001A1-4A1B1 designation identifies a specific configuration within Eaton's NSB line for industrial motor control applications.
