Skip to content
Please enter a keyword to search
  • Preview

    I.S. EN 50122-1:2011

    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:  01-01-2016

    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.

    Add To Cart

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

    National Foreword
    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
    Annex ZZ (informative) - Relationship between this European
             Standard and the Essential Requirements
             of EU Directive 2008/57/EC
    Bibliography

    Abstract - (Show below) - (Hide below)

    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.

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

    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Current
    Superseded By

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

    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.
    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)
    View more information

    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective