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  • EN 50123-2:2003

    Current The latest, up-to-date edition.

    Railway applications - Fixed installations - D.C. switchgear - Part 2: D.C. circuit breakers

    Available format(s): 

    Language(s): 

    Published date:  28-02-2003

    Publisher:  European Committee for Standards - Electrical

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

    1 Scope
    2 Normative references
    3 Definitions
    4 Service requirements
    5 Characteristics of the circuit breaker
      5.1 Enumeration of the characteristics
      5.2 Type of circuit breaker
      5.3 Rated values and limit values for the main
           circuit
      5.4 Control circuits
      5.5 Auxiliary contacts and circuits
      5.6 Releases
      5.7 Arc voltage
    6 Construction
      6.1 General
      6.2 Circuit breaker enclosures
      6.3 Temperature-rises
      6.4 Dielectric strength
      6.5 Electrical and mechanical endurance
      6.6 Operation
      6.7 Corrosion protection
      6.8 Noise emission
      6.9 Cooling
      6.10 Servo-control (where applicable)
      6.11 Other facilities
    7 Information and marking
      7.1 Information
      7.2 Marking
    8 Tests
      8.1 General
      8.2 Applicable tests and test sequence
      8.3 Performance of tests
    Annex A (informative) Information required
      A.1 General
      A.2 Procurement specification
      A.3 Manufacturer's specification
    Tables

    Abstract - (Show below) - (Hide below)

    This part of EN 50123 specifies requirements for d.c. circuit breakers for use in fixed installations of traction systems.NOTE Switchgear assemblies, electromagnetic compatibility (EMC) and dependability are not covered in this part of EN 50123, but by other parts of this standard or by other standards, as indicated in EN 50123-1.

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

    Development Note To be read in conjunction with EN 50123-1 (05/2003)
    Document Type Standard
    Publisher European Committee for Standards - Electrical
    Status Current

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

    S.R. CLC/TR 50646:2015 RAILWAY APPLICATION - FIXED INSTALLATIONS - SPECIFICATION FORREVERSIBLE D.C. SUBSTATIONS
    PD CLC/TR 50646:2015 RAILWAY APPLICATION - FIXED INSTALLATIONS - SPECIFICATION FOR REVERSIBLE D.C. SUBSTATIONS
    PREN 50388-1 : DRAFT 2017 RAILWAY APPLICATIONS - FIXED INSTALLATIONS AND ROLLING STOCK - TECHNICAL CRITERIA FOR THE COORDINATION BETWEEN TRACTION POWER SUPPLY AND ROLLING STOCK TO ACHIEVE INTEROPERABILITY - PART 1: GENERAL
    PREN 50526-3 : DRAFT 2014 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - D.C. SURGE ARRESTERS AND VOLTAGE LIMITING DEVICES - PART 3: APPLICATION GUIDE
    14/30247708 DC : 0 BS EN 50526-3 - RAILWAY APPLICATIONS - FIXED INSTALLATIONS - D.C. SURGE ARRESTERS AND VOLTAGE LIMITING DEVICES - PART 3: APPLICATION GUIDE
    BS EN 50526-3:2016 Railway application. Fixed installations. D.C. surge arresters and voltage limiting devices Application Guide
    17/30356581 DC : 0 BS EN 50388-1 - RAILWAY APPLICATIONS - FIXED INSTALLATIONS AND ROLLING STOCK - TECHNICAL CRITERIA FOR THE COORDINATION BETWEEN TRACTION POWER SUPPLY AND ROLLING STOCK TO ACHIEVE INTEROPERABILITY - PART 1: GENERAL
    I.S. EN 50526-3:2016 RAILWAY APPLICATION - FIXED INSTALLATIONS - D.C. SURGE ARRESTERS AND VOLTAGE LIMITING DEVICES - PART 3: APPLICATION GUIDE
    UNE-EN 50526-3:2016 Railway application - Fixed installations - D.C. surge arresters and voltage limiting devices - Part 3: Application Guide
    EN 50526-3:2016 Railway application - Fixed installations - D.C. surge arresters and voltage limiting devices - Part 3: Application Guide
    CLC/TR 50646:2015 Railway Application - Fixed Installations - Specification for reversible d.c. substations

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

    IEC 60243-1:2013 Electric strength of insulating materials - Test methods - Part 1: Tests at power frequencies
    IEC 60112:2003+AMD1:2009 CSV Method for the determination of the proof and the comparative tracking indices of solid insulating materials
    EN 50124-2:2017 Railway applications - Insulation coordination - Part 2: Overvoltages and related protection
    EN 60129:1994/A2:1996 ALTERNATING CURRENT DISCONNECTORS AND EARTHING SWITCHES
    HD 214 : 200S2 RECOMMENDED METHOD FOR DETERMINING THE COMPARATIVE TRACKING INDEX OF SOLID INSULATING MATERIALS UNDER MOIST CONDITIONS
    EN 50122-1:2011/A4:2017 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - ELECTRICAL SAFETY, EARTHING AND THE RETURN CIRCUIT - PART 1: PROTECTIVE PROVISIONS AGAINST ELECTRIC SHOCK
    IEC 60050-811:1991 International Electrotechnical Vocabulary (IEV) - Part 811: Electric traction
    IEC 60050-605:1983 International Electrotechnical Vocabulary (IEV) - Part 605: Generation, transmission and distribution of electricity - Substations
    IEC 60099-4:2014 Surge arresters - Part 4: Metal-oxide surge arresters without gaps for a.c. systems
    IEC 60050-441:1984 International Electrotechnical Vocabulary (IEV) - Part 441: Switchgear, controlgear and fuses
    EN 50122-2:2010 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - ELECTRICAL SAFETY, EARTHING AND THE RETURN CIRCUIT - PART 2: PROVISIONS AGAINST THE EFFECTS OF STRAY CURRENTS CAUSED BY D.C. TRACTION SYSTEMS
    EN 60099-4:2014 Surge arresters - Part 4: Metal-oxide surge arresters without gaps for a.c. systems
    HD 588.1 : S1 AMD 1 HIGH VOLTAGE TEST TECHNIQUES - GENERAL DEFINITIONS AND TEST REQUIREMENTS
    IEC 60850:2014 Railway applications - Supply voltages of traction systems
    EN 60099-1:1994/A1:1999 SURGE ARRESTERS - PART 1: NON-LINEAR RESISTOR TYPE GAPPED SURGE ARRESTERS FOR A.C. SYSTEMS
    EN 60947-1:2007/A2:2014 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 1: GENERAL RULES (IEC 60947-1:2007/A2:2014)
    EN 60507:2014 Artificial pollution tests on high-voltage ceramic and glass insulators to be used on a.c. systems
    IEC 60694:1996+AMD1:2000+AMD2:2001 CSV Common specifications for high-voltage switchgear and controlgear standards
    IEC 60085:2007 Electrical insulation - Thermal evaluation and designation
    EN 50124-1:2017 Railway applications - Insulation coordination - Part 1: Basic requirements - Clearances and creepage distances for all electrical and electronic equipment
    EN 60298:1996/A11:1999 A.C. METAL-ENCLOSED SWITCHGEAR AND CONTROLGEAR FOR RATED VOLTAGES ABOVE 1 KV AND UP TO AND INCLUDING 52 KV
    EN 50329:2003/A1:2010 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - TRACTION TRANSFORMERS
    EN 50125-2:2002/corrigendum:2010 RAILWAY APPLICATIONS - ENVIRONMENTAL CONDITIONS FOR EQUIPMENT - PART 2: FIXED ELECTRICAL INSTALLATIONS
    IEC 60129:1984 Alternating current disconnectors and earthing switches
    EN 50119 : 2009 AMD 1 2013 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - ELECTRIC TRACTION OVERHEAD CONTACT LINES
    EN 60694:1996/A2:2001 COMMON SPECIFICATIONS FOR HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR STANDARDS
    EN 50327 : 2003 AMD 1 2005 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - HARMONISATION OF THE RATED VALUES FOR CONVERTER GROUPS AND TESTS ON CONVERTER GROUPS
    HD 566 : 200S1 THERMAL EVALUATION AND CLASSIFICATION OF ELECTRICAL INSULATION
    IEC 60529:1989+AMD1:1999+AMD2:2013 CSV Degrees of protection provided by enclosures (IP Code)
    IEC TS 61245:2015 Artificial pollution tests on high-voltage ceramic and glass insulators to be used on d.c. systems
    IEC 60050-446:1983 International Electrotechnical Vocabulary (IEV) - Part 446: Electrical relays
    IEC 60099-1:1991+AMD1:1999 CSV Surge arresters - Part 1: Non-linear resistor type gapped surge arresters for a.c. systems
    IEC 60947-1:2007+AMD1:2010+AMD2:2014 CSV Low-voltage switchgear and controlgear - Part 1: General rules
    EN 50163 : 2004 COR 2013 RAILWAY APPLICATIONS - SUPPLY VOLTAGES OF TRACTION SYSTEMS
    EN 60243-1:2013 ELECTRIC STRENGTH OF INSULATING MATERIALS - TEST METHODS - PART 1: TESTS AT POWER FREQUENCIES (IEC 60243-1:2013)
    HD 380 : 200S2 TEST METHODS FOR EVALUATING RESISTANCE TO TRACKING AND EROSION OF ELECTRICAL INSULATING MATERIALS USED UNDER SEVERE AMBIENT CONDITIONS
    IEC 60587:2007 Electrical insulating materials used under severe ambient conditions - Test methods for evaluating resistance to tracking and erosion
    IEC 60947-2:2016 Low-voltage switchgear and controlgear - Part 2: Circuit-breakers
    EN 60529:1991/AC:2016-12 DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE) (IEC 60529 EDITION 2.2 CORRIGENDUM 2:2015)
    IEC 60060-1:2010 High-voltage test techniques - Part 1: General definitions and test requirements
    IEC 60507:2013 Artificial pollution tests on high-voltage ceramic and glass insulators to be used on a.c. systems
    EN 60947-2:2017 Low-voltage switchgear and controlgear - Part 2: Circuit-breakers
    EN 50328 : 2003 COR 2006 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - ELECTRONIC POWER CONVERTERS FOR SUBSTATIONS
    EN 50126 : 1999 RAILWAY APPLICATIONS - THE SPECIFICATION AND DEMONSTRATION OF RELIABILITY, AVAILABILITY, MAINTAINABILITY AND SAFETY (RAMS)
    IEC 60298:1990 A.C. metal-enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV
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