• DIN EN 50020 : 2003

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - INTRINSIC SAFETY 'I'

    Available format(s): 

    Superseded date:  08-01-2007

    Language(s): 

    Published date:  01-12-2013

    Publisher:  Verband Deutscher Elektrotechniker

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

    Cooperating organizations
    National foreword
    Foreword
    1. Scope
    2. Normative references
    3. Definitions
    4. Grouping and classification of intrinsically safe
         apparatus and associated apparatus
    5. Categories of electrical apparatus
    6. Apparatus requirements
    7. Components on which intrinsic safety depends
    8. Infallible components, infallible assemblies of
         components and infallible connections
    9. Diode safety barriers
    10. Type verifications and type tests
    11. Routine verifications and tests
    12. Marking
    13. Documentation
    Annexes
    A. (normative) Assessment of intrinsically safe circuits
    B. (normative) Spark test apparatus for intrinsically
         safe circuits
    C. (informative) Measurement of creepage distances,
         clearance and separation distances through casting
         compound and through solid insulation
    D. (normative) Encapsulation
    National annex NA (informative) Committees responsible
    National annex NB (informative) Cross-references

    Abstract - (Show below) - (Hide below)

    Specifies the construction and testing of intrinsically safe apparatus, meant for use in potentially explosive atmospheres and for associated apparatus, which is meant for connection to intrinsically safe circuits which enter such atmospheres. Coverage includes: documentation, marking, and diode safety barriers. Also gives detailed definitions and annexes.

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

    Document Type Standard
    Publisher Verband Deutscher Elektrotechniker
    Status Superseded
    Superseded By

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

    VDE 0660-212 : 2000 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 5-6: CONTROL CIRCUIT DEVICES AND SWITCHING ELEMENTS - DC INTERFACE FOR PROXIMITY SENSORS AND SWITCHING AMPLIFIERS (NAMUR)
    DIN EN 60947-5-6 : 2000 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 5-6: CONTROL CIRCUIT DEVICES AND SWITCHING ELEMENTS, DC INTERFACE FOR PROXIMITY SENSORS AND SWITCHING AMPLIFIERS (NAMUR)
    DIN VDE 0170/0171-14 : 1992 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES; CAP LIGHTS FOR MINES SUSCEPTIBLE TO FIREDAMP
    DIN 40012-1:1984-05 PROTECTION AGAINST EXPLOSION - MARKING OF ELECTRICAL EQUIPMENT - SIGNS AND PLATES
    VDE 0165-10 : 1999 ELECTRICAL APPARATUS FOR EXPLOSIVE GAS ATMOSPHERES - PART 17: INSPECTION AND MAINTENANCE OF ELECTRICAL INSTALLATIONS IN HAZARDOUS AREAS (OTHER THAN MINES)
    DIN EN 50303 : 2001-05 GROUP 1, CATEGORY M1 EQUIPMENT INTENDED TO REMAIN FUNCTIONAL IN ATMOSPHERES ENDANGERED BY FIREDAMP AND/OR COAL DUST
    VDI/VDE 2189 Blatt 3:1994-10 Three-level stepping controllers - Methods of evaluation the performance
    VDE 0166 : 81 AMD 1 87 ELECTRICAL INSTALLATIONS AND APPARATUS THEREOF FOR USE IN ATMOSPHERES POTENTIALLY ENDANGERED BY EXPLOSIVE MATERIAL
    VDE 0400-40-1 : 2000 AMD 1 2004 SPECIFICATION FOR OPEN PATH APPARATUS FOR THE DETECTION OF COMBUSTIBLE OR TOXIC GASES AND VAPOURS - PART 1: GENERAL REQUIREMENTS AND TEST METHODS
    VDE 0170-12-2 : 2001-05 GROUP 1, CATEGORY M1 EQUIPMENT INTENDED TO REMAIN FUNCTIONAL IN ATMOSPHERES ENDANGERED BY FIREDAMP AND/OR COAL DUST
    VDI/VDE 2184:2008-06 Reliable operation and maintenance of field bus systems
    VDE 0848-5 : 2001 SAFETY IN ELECTRIC, MAGNETIC AND ELECTROMAGNETIC FIELDS - PART 3: PROTECTION AGAINST EXPLOSION
    DIN VDE 0848-5 : 2001 SAFETY IN ELECTRIC, MAGNETIC AND ELECTROMAGNETIC FIELDS - PROTECTION AGAINST EXPLOSION
    VDE 0101 : 2000 POWER INSTALLATIONS EXCEEDING 1 KV
    DIN EN 61779-1 : 2001 AMD 11 2004 ELECTRICAL APPARATUS FOR THE DETECTION AND MEASUREMENT OF FLAMMABLE GASES - PART 1: GENERAL REQUIREMENTS AND TEST METHODS
    VDE 0118-1 : 2010 ERRICHTEN ELEKTRISCHER ANLAGEN IM BERGBAU UNTER TAGE - TEIL 1: ALLGEMEINE FESTLEGUNGEN
    VDE 0118-3 : 2001 ERECTION OF POWER INSTALLATIONS IN MINES - SUPPLEMENTARY REQUIREMENTS FOR TELECOMMUNICATION INSTALLATIONS
    DIN EN 50241-1 : 2000 AMD 1 2004 SPECIFICATION FOR OPEN PATH APPARATUS FOR THE DETECTION OF COMBUSTIBLE OR TOXIC GASES AND VAPOURS - PART 1: GENERAL REQUIREMENTS AND TEST METHODS
    DIN EN 50014 : 2000 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - GENERAL REQUIREMENTS
    DIN EN 50284 : 2000 SPECIAL REQUIREMENTS FOR CONSTRUCTION, TEST AND MARKING OF ELECTRICAL APPARATUS OF EQUIPMENT GROUP II, CATEGORY 1 G
    DIN EN 50021 : 2000 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - TYPE OF PROTECTION "N"
    DIN EN 50018 : 2001 AMD 1 2003 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - FLAMEPROOF ENCLOSURE "D"
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