Standard

NEK IEC 60851-1:1985

Sep 1985 Withdrawn

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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 NEK
Published: 30 September 1985
Withdrawn: 28 February 2007
Edition: 1.0
Version: 1
Document type: NAT
Pages
ISBN:

ICS 29.060.10
National Committee NEK/NK55

Product Relations

Replaced by: NEK IEC 60851-1:1996
Replaces: NEK IEC 60251-1:1978
Adopted from: IEC 60851-1:1985

NEK IEC 60851-1:1985

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NEK IEC 60851-1:2021+A1:2025 CSV

NEK IEC 60851-1:2021

NEK IEC 60851-1:1996