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HD 570 S1:1990

Test procedure for thermal endurance of insulating varnishes - Electric strength method HD 570 S1:1990

Publication date:   Dec 22, 2003

General information

99.60 Withdrawal effective   Nov 4, 2020

CENELEC

CLC/SR 15 Solid electrical insulating materials

Harmonization Document

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Scope

Gives a method for determining the relative thermal endurance of electrical insulating varnishes by means of coating on glass cloth and measuring electric strength before and after heat ageing for establishing temperature indices to assist in determining suitability of electrical insulating varnishes for use in electrical systems.

Life cycle

NOW

WITHDRAWN
HD 570 S1:1990
99.60 Withdrawal effective
Nov 4, 2020

REVISED BY

PUBLISHED
EN IEC 60370:2018

Relations

Adopted from IEC 60370:1971 IDENTICAL