1) rated capacity 2) rating 3) rated burden 4) nominal capacity 5) rated power the value assigned by the maker to some limitations of performance under certain specified conditions, known as the "rated conditions". Thus in the case H of a machine the rating may be the output assigned to it by the maker at the rated speed, voltage, frequency, etc. GRM: n. (1,2,3,4,5) Note: of an electrical machine, transformer or other piece of apparatus