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PD 6499:1981

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Guide to insulation co-ordination within low-voltage systems including clearances and creepage distances for equipment

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-08-1981

Superseded date

15-10-1995

Superseded by

BS 7822-1:1995

£348.00
Excluding VAT
Summarise this standard

Cooperating organizations
National foreword
Introduction
Section one - General and definitions
1 Scope
2 Object
3 Definitions
Section two - Insulation co-ordination
4 Basic principles of insulation co-ordination
Section three - Clearances in air
5 Influencing factors
6 Description of the fundamental factors influencing
    clearance
7 Description of the other factors which may influence
    a clearance
8 Dielectric tests
Section four - Creepage distances
9 General
10 Specification of the influencing factors
11 Dimensioning of creepage distances
12 Measurement of creepage distances and clearances
Appendices
A Altitude correction factors
B Transient overvoltage control means (surge arrestor
    devices)
C Example of dimensioning procedure for clearances and
    creepage distances
Explanatory note
    Application guide for clearances and insulation
    co-ordination based on clearance

States a principle of insulation co-ordination based upon a series of standardized impulse withstand voltage levels related to the dimensioning of clearances and creepage distances. Intended as a guide for technical bodies.

Committee
PEL/99
DocumentType
Standard
Pages
80
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

Standards Relationship
IEC 60664:1980 Identical
IEC 60664A:1981 Identical

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A newer version of this standard is available.

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£348.00
Excluding VAT