ABB ACQ580 - Categorization by Frame (Size)

Introduction to the manual 9
Categorization by frame (size)
The ACQ580 is manufactured in several frames (frame sizes), which are denoted as
RN, where N is an integer. Some information which only concern certain frames are
marked with the symbol of the frame (RN).
The frame is marked on the type designation label attached to the drive, see chapter
Operation principle and hardware description, section Type designation label in the
Hardware manual of the drive.