IEC 61857-1:2004 ED2

Electrical insulation systems - Procedures for thermal evaluation - Part 1: General requirements - Low-voltage

Publication date: Nov 10, 2004

General information

Current stage: 99.60 Effective date: Sep 26, 2008

Originator: IEC

Owner: TC 112

Type: International Standard

ICS: 29.080.30

Languages: English French Spanish

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Status: Revised

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Scope

Specifies a general test procedure for the thermal evaluation and qualification of electrical insulation systems (EIS) and establishes a procedure that compares the performance of a candidate EIS to that of a reference EIS.
This basic standard is applicable to existing or proposed EIS used in electrotechnical products with an input voltage of up to 1 000 V where the thermal factor is the dominating ageing factor.
This second edition cancels and replaces the first edition published in 1998, and constitutes a technical revision to make this basic standard compatible with parts 21 and 22.

Life cycle

PREVIOUSLY

WITHDRAWN
IEC 61857-1:1998 ED1

NOW

WITHDRAWN
IEC 61857-1:2004 ED2
99.60 Withdrawal effective
Sep 26, 2008

REVISED BY

PUBLISHED
IEC 61857-1:2008 ED3