IEC 60072-1:2022

Rotating electrical machines - Dimensions and output series - Part 1: Frame numbers 56 to 400 and flange numbers 55 to 1080
https://webstore.iec.ch/en/publication/67088

Normative references

IEC 60079-0, Explosive atmospheres – Part 0: Equipment – Generel requirements
ISO 128-3:2020, Technical product documentation (TPD) – General principles of representation – Part 3: Views, sections and cuts
ISO 273, Fasteners – Clearance holes for bolts and screws
ISO 286 (all parts), Geometrical product specifications (GPS) – ISO code system for tolerances on linear sizes
ISO 1101, Geometrical product specifications (GPS) – Geometrical tolerancing – Tolerances of form, orientation, location and run-out
ISO 2768-1, General tolerances –– Part 1: Tolerances for linear and angular dimensions without individual tolerance indications

IEC 60072-2:1990

Dimensions and output series for rotating electrical machines - Part 2: Frame numbers 355 to 1000 and flange numbers 1180 to 2360
https://webstore.iec.ch/en/publication/585

IEC 60072-3:1994

Dimensions and output series for rotating electrical machines - Part 3: Small built-in motors - Flange numbers BF10 to BF50
https://webstore.iec.ch/en/publication/586