EN 50123-1:2003

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Railway applications - Fixed installations - D.C. switchgear - Part 1: General

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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
  3.1 General terms
  3.2 Performance characteristics
  3.3 Components
  3.4 Terms relating to d.c. circuit breakers,
      switch-disconnectors and associated relays
4 Service conditions and requirements
  4.1 Environmental conditions
  4.2 Insulation levels
5 Standard features and conventional assumptions
  5.1 Standard features and conventional parameters
      for the main circuit
  5.2 Standard features for auxiliary and control
      circuits
6 Temperature-rise limits
7 Tests
  7.1 General
  7.2 Test tolerances
  7.3 Tests on movable devices
  7.4 Temperature-rise test
  7.5 Dielectric tests
  7.6 Short circuit and load switching conditions
  7.7 Verification of the behaviour during short-time
      withstand current test
  7.8 Verification of the manual control device for
      sturdiness and position indicator reliability
Annex A (normative) Diagrams for tests
Annex B (normative) Environmental conditions for indoor
        installations
Annex C (normative) Search of critical currents for d.c.
        circuit breakers and switches
Annex D (informative) Recommended creepage distances
Annex E (informative) Determination of maximum energy
        fault location
Bibliography
Figures
Tables

Abstract - (Show below) - (Hide below)

The EN 50123 series specifies requirements for d.c. switchgear and controlgear and is intended to be used in fixed electrical installations with nominal voltage not exceeding 3 000 V d.c., which supply electrical power to vehicles for public guided transport, i.e. railway vehicles, tramway vehicles, underground vehicles and trolley-buses.Part 1 specifies general requirements.The other parts are coveringPart 2D.C. circuit breakers,Part 3Indoor d.c. disconnectors, switch-disconnectors and earthing switches,Part 4Outdoor d.c. disconnectors, switch-disconnectors and earthing switches,Part 5Surge arresters and low voltage limiters for specific use in d.c. systems,Part 6 D.C. switchgear assemblies,Part 7 1Measurement, control and protection devices for specific use in d.c. traction systems – Application guide,Part 7 2Measurement, control and protection devices for specific use in d.c. traction systems – Isolating current transducers and other current measuring devices,Part 7 3Measurement, control and protection devices for specific use in d.c. traction systems –Isolating voltage transducers and other voltage measuring devices

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Document Type	Standard
ISBN
Pages
Published
Publisher	European Committee for Standards - Electrical
Status	Current

National Adoptions - (Show below) - (Hide below)

Equivalent Standard(s)	Relationship
CEI EN 50123-1 : 2003	Identical
NEN EN 50123-1 : 2003	Identical
I.S. EN 50123-1:2003	Identical
NF EN 50123-1 : 2004	Identical
PN EN 50123-1 : 2003	Identical
SN EN 50123-1 : 2003	Identical
BS EN 50123-1:2003	Identical
DIN EN 50123-1 : 2003 COR 1 2004	Identical
UNE-EN 50123-1:2004	Identical
VDE 0115-300-1 : 2003 COR 1 2004	Identical

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

S.R. CLC/TR 50646:2015	RAILWAY APPLICATION - FIXED INSTALLATIONS - SPECIFICATION FORREVERSIBLE D.C. SUBSTATIONS
I.S. EN 50463-2:2017	RAILWAY APPLICATIONS - ENERGY MEASUREMENT ON BOARD TRAINS - PART 2: ENERGY MEASURING
NF EN 50123-2 : 2004	RAILWAY APPLICATIONS - FIXED INSTALLATIONS - D.C. SWITCHGEAR - PART 2: D.C. CIRCUIT BREAKERS
13/30251586 DC : 0	BS EN 50123-6:2003/AMD 1 - RAILWAY APPLICATIONS - FIXED INSTALLATIONS - D.C. SWITCHGEAR - PART 6: D.C. SWITCHGEAR ASSEMBLIES
PREN 50463-2 : DRAFT 2015	RAILWAY APPLICATIONS - ENERGY MEASUREMENT ON BOARD TRAINS - PART 2: ENERGY MEASURING
CEI EN 50125-2 : 2003	RAILWAY APPLICATIONS - ENVIRONMENTAL CONDITIONS FOR EQUIPMENT - PART 2: FIXED ELECTRICAL INSTALLATIONS
15/30329546 DC : 0	BS EN 50463-2 - RAILWAY APPLICATIONS - ENERGY MEASUREMENT ON BOARD TRAINS - PART 2: ENERGY MEASURING
BS EN 50463-2:2017	Railway applications. Energy measurement on board trains Energy measuring
PD CLC/TR 50646:2015	Railway Application. Fixed Installations. Specification for reversible d.c. substations
CEI EN 50123-2 : 2003	RAILWAY APPLICATIONS - FIXED INSTALLATIONS - D.C. SWITCHGEAR - PART 2: D.C. CIRCUIT BREAKERS
EN 50388 : 2012 COR 2013	RAILWAY APPLICATIONS - POWER SUPPLY AND ROLLING STOCK - TECHNICAL CRITERIA FOR THE COORDINATION BETWEEN POWER SUPPLY (SUBSTATION) AND ROLLING STOCK TO ACHIEVE INTEROPERABILITY
CLC/TS 50544:2010	Low voltage d.c. surge protective device for traction systems - Selection and application rules for surge arresters
EN 50123-6 : 2003 AMD 1 2014	RAILWAY APPLICATIONS - FIXED INSTALLATIONS - D.C. SWITCHGEAR - PART 6: D.C. SWITCHGEAR ASSEMBLIES
UNE-EN 50123-6:2004	Railway applications - Fixed installations - D.C. switchgear -- Part 6: D.C. switchgear assemblies
NF EN 50123-7-1 : 2004	RAILWAY APPLICATIONS - FIXED INSTALLATIONS - D.C. SWITCHGEAR - PART 7-1: MEASUREMENT, CONTROL AND PROTECTION DEVICES FOR SPECIFIC USE IN D.C. TRACTION SYSTEMS - APPLICATION GUIDE
08/30191365 DC : DRAFT OCT 2008	BS EN 50388 - RAILWAY APPLICATIONS - POWER SUPPLY AND ROLLING STOCK - TECHNICAL CRITERIA FOR THE COORDINATION BETWEEN POWER SUPPLY (SUBSTATION) AND ROLLING STOCK TO ACHIEVE INTEROPERABILITY
BS EN 50526-2:2014	Railway applications. Fixed installations. D.C. surge arresters and voltage limiting devices Voltage limiting devices
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
S.R. CLC/TS 50544:2010	LOW VOLTAGE D.C. SURGE PROTECTIVE DEVICE FOR TRACTION SYSTEMS - SELECTION AND APPLICATION RULES FOR SURGE ARRESTERS
NF EN 50123-4 : 2004 AMD 1 2014	RAILWAY APPLICATIONS - FIXED INSTALLATIONS - D.C. SWITCHGEAR - PART 4: OUTDOOR D.C. DISCONNECTORS, SWITCH-DISCONNECTORS AND EARTHING SWITCHES
NF EN 50123-6 : 2004 AMD 1 2015	RAILWAY APPLICATIONS - FIXED INSTALLATIONS - D.C. SWITCHGEAR - PART 6: D.C. SWITCHGEAR ASSEMBLIES
UNE-EN 50388:2013	Railway Applications - Power supply and rolling stock - Technical criteria for the coordination between power supply (substation) and rolling stock to achieve interoperability
UNE-EN 50633:2017	Railway applications - Fixed installations - Protection principles for AC and DC electric traction systems
I.S. EN 50388:2012	RAILWAY APPLICATIONS - POWER SUPPLY AND ROLLING STOCK - TECHNICAL CRITERIA FOR THE COORDINATION BETWEEN POWER SUPPLY (SUBSTATION) AND ROLLING STOCK TO ACHIEVE INTEROPERABILITY
DIN EN 50123-7-2 : 2003	RAILWAY APPLICATIONS - FIXED INSTALLATIONS - D.C. SWITCHGEAR - PART 7-2: MEASUREMENT, CONTROL AND PROTECTION DEVICES FOR SPECIFIC USE IN D.C. TRACTION SYSTEMS - ISOLATING CURRENT TRANSDUCERS AND OTHER CURRENT MEASURING DEVICES
NF EN 50123-7-2 : 2004	RAILWAY APPLICATIONS - FIXED INSTALLATIONS - D.C. SWITCHGEAR - PART 7-2: MEASUREMENT, CONTROL AND PROTECTION DEVICES FOR SPECIFIC USE IN D.C. TRACTION SYSTEMS - ISOLATING CURRENT TRANSDUCERS AND OTHER CURRENT MEASURING DEVICES
DD CLC/TS 50544:2010	Low voltage d.c. surge protective device for traction systems. Selection and application rules for surge arresters
11/30250871 DC : 0	BS EN 50388 - RAILWAY APPLICATIONS - POWER SUPPLY AND ROLLING STOCK - TECHNICAL CRITERIA FOR THE COORDINATION BETWEEN POWER SUPPLY (SUBSTATION) AND ROLLING STOCK TO ACHIEVE INTEROPERABILITY
BS EN 50123-4 : 2003	RAILWAY APPLICATIONS - FIXED INSTALLATIONS - D.C. SWITCHGEAR - PART 4: OUTDOOR D.C. DISCONNECTORS, SWITCH-DISCONNECTORS AND EARTHING SWITCHES
BS EN 50633:2016	Railway applications. Fixed installations. Protection principles for AC and DC electric traction systems
11/30213786 DC : 0	BS EN 50463-2 - RAILWAY APPLICATIONS - ENERGY MEASUREMENT ON BOARD TRAINS - PART 2: ENERGY MEASURING
CEI CLC/TS 50544 : 2011	LOW VOLTAGE D.C. SURGE PROTECTIVE DEVICE FOR TRACTION SYSTEMS - SELECTION AND APPLICATION RULES FOR SURGE ARRESTERS
I.S. EN 50123-5:2003	RAILWAY APPLICATIONS - FIXED INSTALLATIONS - D.C. SWITCHGEAR - SURGE ARRESTERS AND LOW-VOLTAGE LIMITERS FOR SPECIFIC USE IN D.C. SYSTEMS
EN 50463-2:2017	Railway applications - Energy measurement on board trains - Part 2: Energy measuring
CEI EN 50388 : 2012	RAILWAY APPLICATIONS - POWER SUPPLY AND ROLLING STOCK - TECHNICAL CRITERIA FOR THE COORDINATION BETWEEN POWER SUPPLY (SUBSTATION) AND ROLLING STOCK TO ACHIEVE INTEROPERABILITY
BS EN 50123-5:2003	Railway applications. Fixed installations. D.C. switchgear Surge arresters and low-voltage limiters for specific use in d.c. systems
EN 50123-5:2003	Railway applications - Fixed installations - D.C. switchgear - Part 5: Surge arresters and low-voltage limiters for specific use in d.c. systems
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
04/30117663 DC : DRAFT AUG 2004	EN 50388 - RAILWAY APPLICATIONS - POWER SUPPLY AND ROLLING STOCK - TECHNICAL CRITERIA FOR THE COORDINATION BETWEEN SUPPLY (SUBSTATION) AND ROLLING STOCK TO ACHIEVE INTEROPERABILITY
CEI EN 50123-7-3 : 2003	RAILWAY APPLICATIONS -FIXED INSTALLATIONS - D.C. SWITCHGEAR - PART 7-3: MEASUREMENT, CONTROL AND PROTECTION DEVICES FOR SPECIFIC USE IN D.C. TRACTION SYSTEMS -ISOLATING VOLTAGE TRANSDUCERS AND OTHER VOLTAGE MEASURING DEVICES
CEI EN 50123-7-2 : 2003	RAILWAY APPLICATIONS - FIXED INSTALLATIONS - D.C. SWITCHGEAR - PART 7-2: MEASUREMENT, CONTROL AND PROTECTION DEVICES FOR SPECIFIC USE IN D.C. TRACTION SYSTEMS - ISOLATING CURRENT TRANSDUCERS AND OTHER CURRENT MEASURING DEVICES
12/30235298 DC : DRAFT JAN 2012	BS EN 50526-2 - RAILWAY APPLICATIONS - FIXED INSTALLATIONS - D.C. SURGE ARRESTERS AND VOLTAGE LIMITING DEVICES - PART 2: VOLTAGE LIMITING DEVICES
BS EN 50123-6 : 2003	RAILWAY APPLICATIONS - FIXED INSTALLATIONS - D.C. SWITCHGEAR - PART 6: D.C. SWITCHGEAR ASSEMBLIES
CEI EN 50463-2 : 2013	RAILWAY APPLICATIONS - ENERGY MEASUREMENT ON BOARD TRAINS - PART 2: ENERGY MEASURING
PREN 50388 : DRAFT 2011	RAILWAY APPLICATIONS - POWER SUPPLY AND ROLLING STOCK - TECHNICAL CRITERIA FOR THE COORDINATION BETWEEN POWER SUPPLY (SUBSTATION) AND ROLLING STOCK TO ACHIEVE INTEROPERABILITY
I.S. EN 50125-2:2003	RAILWAY APPLICATIONS - ENVIRONMENTAL CONDITIONS FOR EQUIPMENT - PART 2: FIXED ELECTRICAL INSTALLATIONS
UNE-EN 50526-2:2014	Railway applications - Fixed installations - D.C. surge arresters and voltage limiting devices - Part 2: Voltage limiting devices
EN 50125-2:2002/corrigendum:2010	RAILWAY APPLICATIONS - ENVIRONMENTAL CONDITIONS FOR EQUIPMENT - PART 2: FIXED ELECTRICAL INSTALLATIONS
ENV 50123-7-1 : 1998	RAILWAY APPLICATIONS - FIXED INSTALLATIONS - D.C. SWITCHGEAR - MEASUREMENT, CONTROL AND PROTECTION DEVICES FOR SPECIFIC USE IN D.C. TRACTION SYSTEMS - APPLICATION GUIDE
NF EN 50123-7-3 : 2004	RAILWAY APPLICATIONS - FIXED INSTALLATIONS - D.C. SWITCHGEAR - PART 7-3: MEASUREMENT, CONTROL AND PROTECTION DEVICES FOR SPECIFIC USE IN D.C. TRACTION SYSTEMS - ISOLATING VOLTAGE TRANSDUCERS AND OTHER VOLTAGE MEASURING DEVICES
I.S. EN 50123-6:2003	RAILWAY APPLICATIONS - FIXED INSTALLATIONS - D.C. SWITCHGEAR - PART 6: D.C. SWITCHGEAR ASSEMBLIES
DD ENV 50123-7.1 : 1999	RAILWAY APPLICATION - FIXED INSTALLATIONS - D.C. SWITCHGEAR - MEASUREMENT, CONTROL AND PROTECTION DEVICES FOR SPECIFIC USE IN D.C. TRACTION SYSTEMS - APPLICATION GUIDE
BS EN 50388:2012	Railway Applications. Power supply and rolling stock. Technical criteria for the coordination between power supply (substation) and rolling stock to achieve interoperability
BS EN 50125-2:2002	Railway applications. Environmental conditions for equipment Fixed electrical installations
NF EN 50123-3 : 2004 AMD 1 2014	RAILWAY APPLICATIONS - FIXED INSTALLATIONS - D.C. SWITCHGEAR - PART 3: INDOOR D.C. DISCONNECTORS, SWITCH-DISCONNECTORS AND EARTHING SWITCHES
CEI EN 50526-2 : 2014	RAILWAY APPLICATIONS - FIXED INSTALLATIONS - D.C. SURGE ARRESTERS AND VOLTAGE LIMITING DEVICES - PART 2: VOLTAGE LIMITING DEVICES
I.S. EN 50526-2:2014	RAILWAY APPLICATIONS - FIXED INSTALLATIONS - D.C. SURGE ARRESTERS AND VOLTAGE LIMITING DEVICES - PART 2: VOLTAGE LIMITING DEVICES
EN 50526-2:2014	Railway applications - Fixed installations - D.C. surge arresters and voltage limiting devices - Part 2: Voltage limiting devices
EN 50633:2016	Railway applications - Fixed installations - Protection principles for AC and DC electric traction systems
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
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 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)
IEC 61992-1:2006+AMD1:2014 CSV	Railway applications - Fixed installations - DC switchgear - Part 1:General
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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