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  • BSI
    BS EN 60664-3:2017 Insulation coordination for equipment within low-voltage systems - Use of coating, potting or moulding for protection against pollution
    Edition: 2017
    $435.35
    / user per year

Description of BS EN 60664-3:2017 2017

This part of IEC 60664 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 document also applies to all kinds of protected printed boards, including the surface of inner layers of multi-layer boards, substrates and similarly protected assemblies. In the case of multi-layer printed boards, the distances through an inner layer are covered by the requirements for solid insulation in IEC 60664‑1 .

NOTE

Examples of substrates are hybrid integrated circuits and thick-film technology.

This document refers only to permanent protection. It does not cover assemblies that are subjected to mechanical adjustment or repair.

The principles of this standard are applicable to functional, basic, supplementary and reinforced insulation.



Standard NumberBS EN 60664-3:2017
TitleInsulation coordination for equipment within low-voltage systems - Use of coating, potting or moulding for protection against pollution
StatusUnder Review
Publication Date2017-10-18
ReplacesBS EN 60664-3:2003+A1:2010
Identical National Standard OfIEC 60664-3:2016, EN 60664-3:2017, EN 60512-16-21:2012
DescriptorsElectric conductors, Leakage paths, Clearances, Printed-circuit boards, Printed circuits, Pollution, Environmental testing, Insulating coatings, Electrical equipment, Low-voltage equipment, Coordination, Dimensions, Solid electrical insulating materials, Electrical insulating materials, Electrical insulation
ICS29.080.30 Insulation systems
CommitteeGEL/109
ISBN978 0 580 93185 7
PublisherBSI
Pages32

The following editions for this book are also available...

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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