Standard

IEC 60851-1:1985 ED1

Sept 1985 Revised

Note: This standard has a new edition: IEC 60851-1:2021+AMD1:2025 CSV

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Language English/French

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Abstract

Gives methods for calculating the cyclic rating factor for cables where the internal thermal capacitance can be neglected. The simplified methods in this standard require only a knowledge of the full shape of the load variation for not more than 6h immediately preceding the time of maximum temperature and an average value for times before that.

Document information

Standard from IEC
Published: 30 September 1985
Withdrawn: 16 October 1996
Edition: 1
Version: 1
Document type: IS
ISBN: 2831811406

ICS 29.060.10
ISO TC TC 55

Product Relations

Adopted by: NEK IEC 61784-3:2010
Revised by: IEC 60851-1:1996 ED2
Replaces: IEC 60251-1:1978 ED2

Product life cycle

Previous product

Replaced

IEC 60251-1:1978 ED2
Current product

Revised

IEC 60851-1:1985 ED1
Stage 99.60
Revised by

Revised

IEC 60851-1:1996 ED2

IEC 60851-1:1985 ED1

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IEC 60851-1:2021+AMD1:2025 CSV

IEC 60851-1:2021 ED3

IEC 60851-1:1996 ED2