IEC 60947-8:2021 ED2

Low-voltage switchgear and controlgear - Part 8: Control units for built-in thermal protection (PTC) for rotating electrical machines

Publication date: 28 korr 2021

General information

Current stage: 60.60 Effective date: 28 korr 2021

Originator: IEC

Owner: TC 121/SC 121A

Type: International Standard

ICS: 29.130.20

Gjuha: anglisht frëngjisht spanjisht

Buying

Statusi: Publikuar

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CD - 31 660 Lekë

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Scope

IEC 60947-8:2021 specifies requirements for control units, which control a switching device in response to the PTC thermistors incorporated in rotating electrical machines and the industrial application.
This second edition cancels and replaces the first edition published in 2003, Amendment 1:2006 and Amendment 2:2011. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
safety aspects related to:
general aspects;
limited energy circuits;
electronic circuits;
alignment to IEC 60947-1:2020;
wire break detection function;
the term detector is replaced by thermistor;
reference to IEC 60738-1-4.

Life cycle

PREVIOUSLY

WITHDRAWN
IEC 60947-8:2003 ED1

WITHDRAWN
IEC 60947-8:2003/AMD1:2006 ED1

WITHDRAWN
IEC 60947-8:2003/AMD2:2011 ED1

NOW

PUBLISHED
IEC 60947-8:2021 ED2
60.60 Standard published
28 korr 2021

National adoptions

SSH IEC 60947-8:2021 ED2

DPS

Pajisje shpërndarëse dhe kontrolli të tensionit të ulët - Pjesa 8: Njësitë e kontrollit për mbrojtjen termike të brendshme (PTC) për makinat elektrike rrotulluese

60.60 Standard published

DPS/KT 4 më tepër

prSSH EN IEC 60947-8:2023

DPS

Pajisje shpërndarëse dhe të kontrollit të tensionit të ulët - Pjesa 8: Njësitë e kontrollit për mbrojtjen termike të integruar (PTC) për makinat elektrike rrotulluese

40.60 Close of voting

DPS/KT 4 më tepër