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BS EN 50122-1 : 2011

Current
Current

The latest, up-to-date edition.

RAILWAY APPLICATIONS - FIXED INSTALLATIONS - ELECTRICAL SAFETY, EARTHING AND THE RETURN CIRCUIT - PART 1: PROTECTIVE PROVISIONS AGAINST ELECTRIC SHOCK
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2011

1 Scope
2 Normative references
3 Terms and definitions
4 Contact line zone and current collector zone
5 Protective provisions against direct contact
6 Protective provisions against indirect contact
   and impermissible rail potential
7 Protective provisions for low voltage non
   traction power supplies
8 Protective provisions where track systems,
  which are utilized for carrying traction return
   current, or/and contact line systems pass
   through hazardous zones
9 Limits for touch voltage and protection against
   the danger of rail potential
10 Additional protective provisions
Annex A (informative) - Typical obstacles
Annex B (normative) - Warning sign
Annex C (informative) - Guiding values for rail
        potential gradient
Annex D (informative) - Effective touch voltage
        and body voltage with respect to the body
        current
Annex E (normative) - Measurement methods for
        effective touch voltages
Annex F (normative) - The use of voltage-limiting devices
Annex G (normative) - Special national conditions
Bibliography
Annex ZZ (informative) - Relationship between this
         European Standard and the Essential
         Requirements of EU Directive 2008/57/EC

Defines requirements for the protective provisions relating to electrical safety in fixed installations associated with a.c. and/or d.c. traction systems and to any installations that can be endangered by the traction power supply system.

Committee
GEL/9/3
DevelopmentNote
Supersedes 94/200413 DC. (09/2005) Supersedes 08/30160532 DC. (06/2011) Supersedes 15/30327969 DC. (02/2016) 2011 Edition Re-Issued in February 2017 & incorporates AMD 4 2017. (03/2017)
DocumentType
Standard
Pages
88
PublisherName
British Standards Institution
Status
Current
Supersedes

BS 7430(2011) : 2011 CODE OF PRACTICE FOR PROTECTIVE EARTHING OF ELECTRICAL INSTALLATIONS
ENA ER G12 : ISSUE 4 AMD 1 2015 REQUIREMENTS FOR THE APPLICATION OF PROTECTIVE MULTIPLE EARTHING TO LOW VOLTAGE NETWORKS
11/30249994 DC : DRAFT JULY 2011 BS 7430 - CODE OF PRACTICE FOR PROTECTIVE EARTHING OF ELECTRICAL INSTALLATIONS
07/30130630 DC : 0 BS 7430 - CODE OF PRACTICE FOR EARTHING

IEC 61219:1993 Live working - Earthing or earthing and short-circuiting equipment using lances as a short-circuiting device - Lance earthing
ISO 7010:2011 Graphical symbols Safety colours and safety signs Registered safety signs
IEC TS 60479-1:2005+AMD1:2016 CSV Effects of current on human beings and livestock - Part 1: Generalaspects
IEC 60050-811:1991 International Electrotechnical Vocabulary (IEV) - Part 811: Electric traction
IEC 60050-195:1998 International Electrotechnical Vocabulary (IEV) - Part 195: Earthing and protection against electric shock
EN 61219:1993 Live working - Earthing or earthing and short-circuiting equipment using lances as short-circuiting device - Lance earthing
IEC 60364-4-41:2005+AMD1:2017 CSV Low voltage electrical installations - Part 4-41: Protection for safety - Protection against electric shock
HD 60364-4-41:2017/A11:2017 LOW-VOLTAGE ELECTRICAL INSTALLATIONS - PART 4-41: PROTECTION FOR SAFETY - PROTECTION AGAINST ELECTRIC SHOCK
EN 50153 : 2014 AMD 1 2017 RAILWAY APPLICATIONS - ROLLING STOCK - PROTECTIVE PROVISIONS RELATING TO ELECTRICAL HAZARDS
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 50122-3:2010 Railway applications - Fixed installations - Electrical safety, earthing and the return circuit - Part 3: Mutual Interaction of a.c. and d.c. traction systems
HD 637 S1:1999/corrigendum:2005 POWER INSTALLATIONS EXCEEDING 1 KV A.C.
2008/57/EC : 2008 AMD 5 2014 DIRECTIVE 2008/1957/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL OF 17 JUNE 2008 ON THE INTEROPERABILITY OF THE RAIL SYSTEM WITHIN THE COMMUNITY (RECAST) (TEXT WITH EEA RELEVANCE)
IEC 61558-2-6:2009 Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-6: Particular requirements and tests for safety isolating transformers and power supply units incorporating safety isolating transformers
IEC 60050-551:1998 International Electrotechnical Vocabulary (IEV) - Part 551: Power electronics
IEC 60050-442:1998 International Electrotechnical Vocabulary (IEV) - Part 442: Electrical accessories
IEC 60364-1:2005 Low-voltage electrical installations - Part 1: Fundamental principles, assessment of general characteristics, definitions
EN 50124-1:2017 Railway applications - Insulation coordination - Part 1: Basic requirements - Clearances and creepage distances for all electrical and electronic equipment
IEC 60050-101:1998 International Electrotechnical Vocabulary (IEV) - Part 101: Mathematics
EN 50119 : 2009 AMD 1 2013 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - ELECTRIC TRACTION OVERHEAD CONTACT LINES
IEC 60529:1989+AMD1:1999+AMD2:2013 CSV Degrees of protection provided by enclosures (IP Code)
EN 50345:2009 Railway applications - Fixed installations - Electric traction - Insulating synthetic rope assemblies for support of overhead contact lines
EN 60664-1:2007 Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests
IEC 60050-821:1998 International Electrotechnical Vocabulary (IEV) - Part 821: Signalling and security apparatus for railways
EN 50163 : 2004 COR 2013 RAILWAY APPLICATIONS - SUPPLY VOLTAGES OF TRACTION SYSTEMS
EN 60898-1:2003/A13:2012 ELECTRICAL ACCESSORIES - CIRCUIT BREAKERS FOR OVERCURRENT PROTECTION FOR HOUSEHOLD AND SIMILAR INSTALLATIONS - PART 1: CIRCUIT-BREAKERS FOR A.C. OPERATION (IEC 60898-1:2002, MODIFIED)
ISO 3864-1:2011 Graphical symbols Safety colours and safety signs Part 1: Design principles for safety signs and safety markings
IEC 60898-1:2015 Electrical accessories - Circuit-breakers for overcurrent protection for household and similar installations - Part 1: Circuit-breakers for a.c. operation
IEC 60050-826:2004 International Electrotechnical Vocabulary (IEV) - Part 826: Electrical installations
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
EN 61140:2016 Protection against electric shock - Common aspects for installation and equipment
EN 61558-2-6:2009 Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-6: Particular requirements and tests for safety isolating transformers and power supply units incorporating safety isolating transformers
IEC 60050-111:1996 International Electrotechnical Vocabulary (IEV) - Part 111: Physics and chemistry
EN 60529:1991/AC:2016-12 DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE) (IEC 60529 EDITION 2.2 CORRIGENDUM 2:2015)
IEC 61140:2016 Protection against electric shock - Common aspects for installation and equipment
IEC 60664-1:2007 Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests
EN 60898-1:2003/A13:2012 ELECTRICAL ACCESSORIES - CIRCUIT BREAKERS FOR OVERCURRENT PROTECTION FOR HOUSEHOLD AND SIMILAR INSTALLATIONS - PART 1: CIRCUIT-BREAKERS FOR A.C. OPERATION (IEC 60898-1:2002, MODIFIED)

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