IEC TR 60890:2014 ED2

A method of temperature-rise verification of low-voltage switchgear and controlgear assemblies by calculation

Publication date: 7 maj 2014

General information

Current stage: 99.60 Effective date: 29 sht 2022

Originator: IEC

Owner: TC 121/SC 121B

Type: Technical Report

ICS: 29.130.20

Gjuha: anglisht frëngjisht

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Statusi: Revised

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Scope

IEC TR 60890:2014 specifies a method of temperature-rise verification of low-voltage switchgear and controlgear ASSEMBLIES by calculation. The method is applicable to enclosed ASSEMBLIES or partitioned sections of ASSEMBLIES without forced ventilation. It is not applicable where temperature rise verification to the relevant product standard of the IEC 61439 series has been established. This second edition cancels and replaces the first edition published in 1987 and its Amendment 1:1995. It constitutes a technical revision. This edition includes the following significant technical changes with respect to the last edition:
- alignment with IEC 61439-1:2011;
- revision of Annex B;
- general editorial review.

Life cycle

PREVIOUSLY

Revises
IEC TR 60890:1987 ED1

Revises
IEC TR 60890:1987/AMD1:1995 ED1

NOW

IEC TR 60890:2014 ED2
99.60 Withdrawal effective
29 sht 2022

REVISED BY

PUBLISHED
IEC TR 60890:2022 ED3

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