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IEC 60072-1:2022

Rotating electrical machines - Dimensions and output series - Part 1: Frame numbers 56 to 400 and flange numbers 55 to 1080

General information
Valid from 30.03.2022
Directives or regulations
None
Standard history
Status
Date
Type
Name
30.03.2022
Main
01.02.1991
Main
IEC 60072-1:2022 is applicable for the majority of rotating electrical machines for industrial purposes within the dimension range and output powers. - Foot- mounted: shaft heights: 56 mm to 400 mm - Flange- mounted: pitch circle diameter of flange: 55 mm to 1 080 mm. This seventh edition cancels and replaces the sixth edition published in 1991. This edition includes the following significant technical changes with respect to the previous edition: a. modification of the series title; b. complete revision on the basis of EN 50347; c. integration of the relationships between frame size, shaft extensions, rated outputs and flange numbers; d. additional tolerances and measurements for shafts; e. modification of Annex A with additional frame numbers and relationships between frame size and rated power.
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