IEC 60664-3:2016 RLV 
Redline version

Insulation coordination for equipment within low-voltage systems - Part 3: Use of coating, potting or moulding for protection against pollution

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Abstract

IEC 60664-3:2016 RLV contains both the official IEC International Standard and its Redline version. The Redline version is not an official document, it is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 60664-3:2016 applies to assemblies protected against pollution by the use of coating, potting or moulding, thus allowing a reduction of clearance and creepage distances as described in IEC 60664-1. This document describes the requirements and test procedures for two methods of protection:
- type 1 protection improves the microenvironment of the parts under the protection;
- type 2 protection is considered to be similar to solid insulation. This edition includes the following significant technical changes with respect to the previous edition:
a) information added concerning interpolation;
b) provided scratch test is only for type 2 protection;
c) renumbered the scratch test to follow the visual examination test, since it makes more sense there;
d) separated the tables under what is now called Annex A, to make them clearer. It has the status of a horizontal standard in accordance with IEC Guide 104.

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Relevant for

rural electrification

LVDC


Additional information

Publication typeInternational Standard
Publication date2016-11-04
Edition3.0
Available language(s)English
TC/SCTC 109 - Insulation co-ordination for low-voltage equipmentrss
ICS29.080.30 - Insulation systems
Stability date  2021
Pages77
File size1966 KB

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