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  • PD 6499:1981 (published 1981-08)

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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

    Superseded date:  15-10-1995

    Language(s):  English

    Published date:  31-08-1981

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    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

    Abstract - (Show below) - (Hide below)

    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.

    General Product Information - (Show below) - (Hide below)

    Committee PEL/99
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By

    Standards Referenced By This Book - (Show below) - (Hide below)

    BS 5424-2:1987 LOW-VOLTAGE CONTROLGEAR - SPECIFICATION FOR SEMICONDUCTOR CONTACTORS (SOLID STATE CONTACTORS)
    BS EN 60687:1993 ALTERNATING CURRENT STATIC WATT HOUR METERS FOR ACTIVE ENERGY (CLASSES 0.2S AND 0.5S)
    BS 6941:1988 SPECIFICATION FOR ELECTRICAL APPARATUS FOR EXPLOSIVE ATMOSPHERES WITH TYPE OF PROTECTION N
    95/107917 DC : 0 MACHINERY AND PLANT FOR THE PREPARATION OF CONCRETE AND MORTAR - SAFETY REQUIREMENTS
    93/210506 DC : DRAFT AUG 1993 EN 50156 ELECTRICAL EQUIPMENT FOR FURNACES - PART 1 RULES FOR INSTALLATION (PREN 50156-1)
    BS 7002(1989) : 1989 SPECIFICATION FOR SAFETY OF INFORMATION TECHNOLOGY EQUIPMENT INCLUDING ELECTRICAL BUSINESS EQUIPMENT
    BS 7354:1990 CODE OF PRACTICE FOR DESIGN OF HIGH-VOLTAGE OPEN-TERMINAL STATIONS
    BS 7647:1993 SPECIFICATION FOR RADIO TELESWITCHES FOR TARIFF AND LOAD CONTROL
    BS 6972:1988 Specification for general requirements for luminaire supporting couplers for domestic, light industrial and commercial use
    BS 7452:1991 SPECIFICATION FOR SEPARATING TRANSFORMERS, AUTOTRANSFORMERS, VARIABLE TRANSFORMERS AND REACTORS
    BS EN 50059:1991 SPECIFICATION FOR ELECTROSTATIC HAND-HELD SPRAYING EQUIPMENT FOR NON-FLAMMABLE MATERIAL FOR PAINTING AND FINISHING
    BS 5724-2.15:1989 MEDICAL ELECTRICAL EQUIPMENT - PARTICULAR REQUIREMENTS FOR SAFETY - SPECIFICATION FOR CAPACITOR DISCHARGE X-RAY GENERATORS
    BS QC 960000:1992 HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS - ELECTROMECHANICAL SWITCHES FOR USE IN ELECTRONIC EQUIPMENT - GENERIC SPECIFICATION
    BS EN 61037:1993 ELECTRICITY METERING - TARIFF AND LOAD CONTROL - PARTICULAR REQUIREMENTS FOR ELECTRONIC RIPPLE CONTROL RECEIVERS
    BS EN 61180-1:1995 High-voltage test techniques for low-voltage equipment Definitions, test and procedure requirements

    Standards Referencing This Book - (Show below) - (Hide below)

    IEC 60099-1:1991+AMD1:1999 CSV Surge arresters - Part 1: Non-linear resistor type gapped surge arresters for a.c. systems
    IEC 60071-1:2006+AMD1:2010 CSV Insulation co-ordination - Part 1: Definitions, principles and rules
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