1.1 This standard covers all types of rotating electrical machines with a horizontal shaft, and with any one of three specific types of foot-mounting, that is, machines with feet down, machines with feet up and machines for
which the bed-plate is an integral part, for which the shaft height in the feet-down version is between 355 mm and 1 000 mm.
IS 8223-1976 history
1977IS 8223-1976 Dimensions and output ratings of foot-operated rotary motors, frame sizes 355 to 1000