IEC 60721-3-0:1984/AMD1:1987
IEC 60721-3-0:1984/AMD1:1987

IEC 60721-3-0:1984/AMD1:1987

January 1987
International standard Cancelled

Amendment 1 - Classification of environmental conditions. Part 3: Classification of groups of environmental parameters and their severities. Introduction

Applies to the duration and frequency of occurrence.

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Main informations

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International IEC standards

Publication date

January 1987

Number of pages

9 p.

Reference

IEC 60721-3-0:1984/AMD1:1987

Print number

1 - juin 2005
Sumary
Amendment 1 - Classification of environmental conditions. Part 3: Classification of groups of environmental parameters and their severities. Introduction

Applies to the duration and frequency of occurrence.
Standard replaced by (1)
IEC 60721-3-0:2020
IEC 60721-3-0:2020
May 2020
International standard Current
Classification of environmental conditions - Part 3-0: Classification of groups of environmental parameters and their severities - Introduction

IEC 60721-3-0:2020 provides guidance on the use of all parts of IEC 60721-3. It contains background information including information on the application and limitation of the classes given in various parts of IEC 60721-3 which can be used in the design, limitation of conditions and protection of equipment. This second edition cancels and replaces the first edition published in 1984 and Amendment 1:1987. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) This edition has been extensively simplified to only provide necessary information with regard to the process given in the other parts of IEC 60721-3 and information on class severity has been updated.

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