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    I.S. EN 50216-3:2002

    Current The latest, up-to-date edition.

    POWER TRANSFORMER AND REACTOR FITTINGS - PART 3: PROTECTIVE RELAY FOR HERMETICALLY SEALED LIQUID-IMMERSED TRANSFORMERS AND REACTORS WITHOUT GASEOUS CUSHION

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2002

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

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

    1 Scope
    2 Normative references
    3 Identification of relays
    4 Service conditions
       4.1 Maximum inclination
       4.2 Operating pressure
       4.3 Sensitivity of the relay contacts to magnetic fields
    5 Outline and mounting details
    6 Operational performance
       6.1 General
       6.2 Gas collection
       6.3 Leakage detection
       6.4 Pressure detection
       6.5 Temperature detection (for relay type 2)
       6.6 Temperature indication
    7 Electrical characteristics of switch
       7.1 Rated currents
       7.2 Breaking and making capacity
       7.3 Operation time
    8 Mechanical requirements
       8.1 Terminal box
       8.2 Testing facilities
       8.3 Gas sampling
       8.4 Presence of gas in the relay
    9 Nameplate
    10 Tests
       10.1 Routine tests
       10.2 Type tests

    Abstract - (Show below) - (Hide below)

    Applies to protective relays for hermetically liquid-immersed transformers, complying with the I.S. EN 60076 series, and reactors, complying with I.S. EN 60289, without gaseous cushions for indoor or outdoor installation. Defines the: - operating limits, - outline and mounting details, - operational performance, - electrical characteristics, - dynamic characteristics.

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

    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Current

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

    EN 50005:1976 Low-voltage switchgear and controlgear for industrial use - Terminal marking and distinctive number - General rules
    IEC 60947-5-1 : 4.0 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 5-1: CONTROL CIRCUIT DEVICES AND SWITCHING ELEMENTS - ELECTROMECHANICAL CONTROL CIRCUIT DEVICES
    EN 50102:1995/corrigendum Jul. 2002 DEGREES OF PROTECTION PROVIDED BY ENCLOSURES FOR ELECTRICAL EQUIPMENT AGAINST EXTERNAL MECHANICAL IMPACTS (IK CODE)
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