IEC 60072-3 ED2

Dimensions and output series for rotating electrical machines - Part 3: Small built-in motors - Flange numbers BF10 to BF50

General information

Current stage: 50.20 Effective date: 31 tet 2025

Next stage: PRVD Next stage date: 12 dhj 2025

Originator: IEC

Owner: TC 2

Type: International Standard

ICS: 29.160.01

Scope

IEC 60072-3: 2025 applies to small built-in motors with a pitch circle diameter of the flange between 10 mm and 50 mm. It provides a table with fixing dimensions, shaft extension dimensions and their tolerances.
This second edition cancels and replaces the firstedition published in 1994. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) clarification of the scope.

Life cycle

PREVIOUSLY

PUBLISHED
IEC 60072-3:1994 ED1

NOW

IN_DEVELOPMENT
IEC 60072-3 ED2
50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks
31 tet 2025

Preview

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