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    I.S. EN 50216-2:2002

    Current The latest, up-to-date edition.

    POWER TRANSFORMER AND REACTOR FITTINGS - PART 2: GAS AND OIL ACTUATED RELAY FOR LIQUID IMMERSED TRANSFORMERS AND REACTORS WITH CONSERVATOR

    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 Service conditions
      3.1 Maximum inclination
      3.2 Operating pressure
      3.3 Sensitivity of the relay contacts to magnetic
          fields
      3.4 Special mechanical conditions
    4 Dimensions
    5 Operational performance
      5.1 Alarm and trip contacts
      5.2 Oil loss from tank
      5.3 Latching of trip element
    6 Electrical characteristics of switch
      6.1 Switch type
      6.2 Rated currents
      6.3 Breaking and making capacity
    7 Mechanical requirements
      7.1 Terminal box
      7.2 Testing facility
      7.3 Gas sampling
      7.4 Draining device
      7.5 Presence of gas in the relay
      7.6 Mounting arrangement
      7.7 Pressure and vacuum
    8 Nameplate
    9 Tests
      9.1 Routine tests
      9.2 Type tests

    Abstract - (Show below) - (Hide below)

    Covers the gas and oil actuated relay (Buchholz relay) for liquid immersed power transformers and reactors with conservator for indoor or outdoor installation. It applies to relays with dry contacts. Defines the: - operating limits, - dimensions, - 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)

    IEC 60947-5-1 : 4.0 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 5-1: CONTROL CIRCUIT DEVICES AND SWITCHING ELEMENTS - ELECTROMECHANICAL CONTROL CIRCUIT DEVICES
    IEC 60068-3-3:1991 Environmental testing - Part 3-3: Guidance - Seismic test methods for equipments
    EN 60068-3-3:1993 Environmental testing - Part 3: Guidance - Seismic test methods for equipments
    EN 60255-5:2001 Electrical relays - Part 5: Insulation coordination for measuring relays and protection equipment - Requirements and tests
    IEC 60296:2012 RLV Fluids for electrotechnical applications - Unused mineral insulating oils for transformers and switchgear
    IEC 60529:1989+AMD1:1999+AMD2:2013 CSV Degrees of protection provided by enclosures (IP Code)
    IEC 60076-1:2011 Power transformers - Part 1: General
    IEC 60255-5:2000 Electrical Relays - Part 5: Insulation coordination for measuring relays and protection equipment - Requirements and tests
    EN 60076-1:2011 POWER TRANSFORMERS - PART 1: GENERAL (IEC 60076-1:2011)
    EN 60529:1991/AC:2016-12 DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE) (IEC 60529 EDITION 2.2 CORRIGENDUM 2:2015)
    EN 60721-3-4:1995/A1:1997 CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 3: CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - SECTION 4: STATIONARY USE AT NON-WEATHER-PROTECTED LOCATIONS
    ISO 228-1:2000 Pipe threads where pressure-tight joints are not made on the threads Part 1: Dimensions, tolerances and designation
    EN 50216-1:2002 Power transformer and reactor fittings - Part 1: General
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