| NO. | IEC Frame (m/m) | NOMINAL SHAFT HEIGHT mm | Nearest NEMA Frame(inch) | ||
| 1 | 71M | 71 | 48+ | ||
| 2 | 80M | 80 | 48 or 56+ | ||
| 3 | 90S | 90 | 56 or 143T | ||
| 4 | 90L | 90 | 56 or 145T | ||
| 5 | 100S | 100 | 145T | ||
| 6 | 100L | 100 | 145T | ||
| 7 | *112S | 112 | 182T | ||
| 8 | 112M | 112 | 184T | ||
| 9 | 112L | 112 | 184T | ||
| 10 | 132S | 132 | 213T | ||
| 11 | 132M | 132 | 215T | ||
| 12 | *132L | 132 | 215T | ||
| 13 | *160S | 160 | 254T | ||
| 14 | 160M | 160 | 254T | ||
| 15 | 160L | 160 | 256T | ||
| 16 | 180S | 180 | 284T | ||
| 17 | 180M | 180 | 284T | ||
| 18 | 180L | 180 | 286T | ||
| 19 | *200S | 200 | 324T | ||
| 20 | 200M | 200 | 324T | ||
| 21 | 200L | 200 | 326T | ||
| 22 | 225S | 225 | 364T | ||
| 23 | 225M | 225 | 365T | ||
| 24 | *225L | 225 | 365T | ||
| 25 | 250S | 250 | 404T | ||
| 26 | 250M | 250 | 405T | ||
| 27 | *250L | 250 | 405T | ||
| 28 | 280S | 280 | 444T | ||
| 29 | 280M | 280 | 445T | ||
| 30 | 280K | 280 | 447T | ||
| 31 | 280H | 280 | 449T | ||
