The 80RIA name on this 191 KB PDF refers to a series of power semiconductors rather than a circuit board, and although it is filed as a schematic, a component datasheet is the likely content. The name gives no grade number, device or brand. A technician would use it to identify terminals, mounting style and ratings when a high-current part in a power supply or controller is suspected. Read the full marking on the component to find the matching grade within the series before relying on values.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @cyberlanelectonik. Enginerys does not host this file.
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.