Bsi bs en 50152 1 2012 + a1 2013

BS EN 50152-1:2012+A1:2013 BS EN 50152-1:2012 BSI Standards Publication Railway applications — Fixed installations — Particular requirements for alternating current switchgear Part 1: Circuit-breakers with nominal voltage above kV BS EN 50152-1:2012+A1:2013 BRITISH STANDARD National foreword This British Standard is the UK implementation of EN 50152-1:2012+A1:2013 It supersedes BS EN 50152-1:2012 which is withdrawn The UK participation in its preparation was entrusted by Technical Committee GEL/9, Railway Electrotechnical Applications to Subcommittee GEL/9/3, Railway Electrotechnical Applications – Fixed Equipment A list of organizations represented on this subcommittee can be obtained on request to its secretary This publication does not purport to include all the necessary provisions of a contract Users are responsible for its correct application © The British Standards Institution 2013 Published by BSI Standards Limited 2013 ISBN 978 580 82864 ICS 29.120.40; 29.280 Compliance with a British Standard cannot confer immunity from legal obligations This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 November 2012 Amendments/corrigenda issued since publication Date Text affected 31 October 2013 Implementation of CENELEC amendment A1:2013: text added to clause 5.10 – Rated operating sequence BS EN 50152-1:2012 EN EN 50152-1:2012+A1 50152-1 EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM November 2013 2012 September ICS 29.120.40; 29.280 Supersedes EN 50152-1:2007 English version Railway applications Fixed installations Particular requirements for alternating current switchgear Part 1: Circuit-breakers with nominal voltage above kV Applications ferroviaires Installations fixes Spécifications particulières pour appareillage courant alternatif Partie 1: Disjoncteurs de tension nominale supérieure kV Bahnanwendungen Ortsfeste Anlagen – Besondere Anforderungen an WechselstromSchalteinrichtungen – Teil 1: Leistungsschalter mit einer Nennspannung grưßer als kV This European Standard was approved by CENELEC on 2012-10-15 CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member This European Standard exists in three official versions (English, French, German) A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom CENELEC European Committee for Electrotechnical Standardization Comité Européen de Normalisation Electrotechnique Europäisches Komitee für Elektrotechnische Normung Management Centre: Avenue Marnix 17, B - 1000 Brussels © 2012 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members Ref No EN 50152-1:2012 E BS EN 50152-1:2012 EN EN 50152-1:2012 50152-1:2012 BS EN BS50152-1:2012 EN 50152-1:2012+A1:2013 BS EN 50152-1:2012 BS EN 50152-1:2012 EN 50152-1:2012 - 4 4– –- Foreword Foreword This prepared This document document (EN (EN 50152-1:2012) 50152-1:2012) has has been been Foreword prepared by by CLC/SC CLC/SC 9XC 9XC "Electric "Electric supply supply and and earthing earthing Foreword EN 50152-1:2012+A1:2013 EN EN 50152-1:2012 50152-1:2012 systems for transport equipment and ancillary apparatus (Fixed systems for public public transport equipment andbeen ancillary apparatus (Fixed installations)" installations)" This document (EN 50152-1:2012) has prepared by CLC/SC 9XC "Electric supply and earthing This document (EN 50152-1:2012) has been prepared by CLC/SC 9XC This document (EN 50152-1:2012) has been prepared by CLC/SC 9XC "Electric "Electric supply supply and and earthing earthing systems for public transport equipment and ancillary apparatus (Fixed installations)" systems for public transport equipment and ancillary apparatus (Fixed installations)" The following dates are fixed: The following datestransport are fixed: systems for public equipment and ancillary apparatus (Fixed installations)" The following dates are fixed: The following are (dop) 2013-10-15 ••The latest date by this (dop) 2013-10-15 latest datedates by which which this document document has has to to be be following dates are fixed: fixed: implemented at national level by publication of implemented at national level by publication of (dop) 2013-10-15 •• an latest date by which this document has to be (dop) 2013-10-15 identical national standard or latest date which this document has identical national standard or by by (dop) 2013-10-15 • an latest date by by which this document has to to be beof implemented at national level by publication endorsement implemented at level publication endorsement implemented at national national level by by publication of of an identical identical national national standard or by by (dow) 2015-10-15 standard or •• an latest date by which the national standards (dow) 2015-10-15 latest date by which the national standards an identical national standard or by endorsement endorsement conflicting with this document have to conflicting with this document have to (dow) 2015-10-15 •• endorsement latest date by which the national standards (dow) 2015-10-15 be withdrawn latest date by the standards withdrawn (dow) 2015-10-15 • be latest date with by which which the national national standards conflicting this document have to conflicting with this document have to conflicting with this document have to be withdrawn be be withdrawn withdrawn Attention Attention is is drawn drawn to to the the possibility possibility that that some some of of the the elements elements of of this this document document may may be be the the subject subject of of patent patent rights CENELEC [and/or CEN] shall not be held responsible for identifying any or all such patent rights rights CENELEC [and/or CEN] shall not be held responsible for identifying any or all such patent rights Attention is drawn to the possibility that some of the elements of this document may be the subject of patent Attention is to that some of the this may be subject of Attention is drawn drawn[and/or to the the possibility possibility of responsible the elements elementsforof ofidentifying this document document may be the the subject of patent patent rights CENELEC CEN] shallthat notsome be held any or all such patent rights rights CENELEC [and/or CEN] shall not be held responsible for identifying any or all such patent rights This document supersedes EN 50152-1:2007 This document supersedes EN 50152-1:2007 rights CENELEC [and/or CEN] shall not be held responsible for identifying any or all such patent rights This document supersedes EN 50152-1:2007 This document EN 50152-1:2007 EN includes significant EN 50152-1:2012 includes the the following significant technical technical changes changes with with respect respect to to EN EN 50152-1:2007: 50152-1:2007: This50152-1:2012 document supersedes supersedes EN following 50152-1:2007 EN 50152-1:2012 includes the following significant technical changes with respect to EN 50152-1:2007: EN following technical changes respect to 50152-1:2007: This standard was wasincludes revised the to reflect reflect the significant latest versions versions of standards standards referenced and to remove remove text already already This standard revised to the latest of referenced to text EN 50152-1:2012 50152-1:2012 includes the following significant technical changes with with respectand to EN EN 50152-1:2007: included in in the the EN EN 62271 62271 series series The The scope scope was was extended extended to to include include single-phase single-phase and and two-phase two-phase circuit circuit included This standard was revised to reflecttothe latest the versions of standards referenced and tothe remove text already breakers Definitions were added provide necessary precision and to meet needs of railway This standard was revised to reflect the latest versions of standards referenced and to remove text already breakers Definitions were added to provide the necessary precision and to meet the needs of railway This standard was to reflect thescope latest was versions of standards referenced and to remove text already included in the EN revised series The include single-phase and two-phase circuit applications Table 162271 was reworked reworked according to theextended changes to of EN EN 50124-1:2001, Table A.2 and Table Table B.1 included in the EN 62271 series The scope was extended to include single-phase and two-phase circuit applications Table was according the changes of 50124-1:2001, Table A.2 and B.1 included inDefinitions the EN 62271 series The scope to was extended to include single-phase and two-phase circuit breakers were added to provide the necessary precision and to meet the needs of railway Standard values of transient recovery voltage have been taken from different tables to one, Table Ratings breakers Definitions were added to provide the necessary precision and to meet the needs of railway Standard values of transient recovery voltage have been taken from different tables to one, Table Ratings breakers Definitions werereworked added to provide to the necessary precision and to meet theA.2 needs of railway applications Table was according thethe changes of EN 50124-1:2001, Table and Table B.1 of mechanical endurance previously given under clause tests’ were moved to the new Table applications Table was according to changes of EN Table and Table B.1 of mechanical endurance previously given under clause ‘type tests’ were moved toA.2 the new Table applications Table 1transient was reworked reworked according to the thethe changes of‘type EN 50124-1:2001, 50124-1:2001, Table A.2 and Table B.1 Standard values of recovery voltage have been taken from different tables to one, Table Ratings ‘Mechanical endurance classes’ Standard values of prospective transient recovery voltage have been taken Standard values of transient recovery voltage have been taken from different tables to one, Table Ratings ‘Mechanical endurance classes’ Standard values of prospective transient recovery voltage have been taken Standard values of transient recovery voltage have been taken from different tables to one, Table Ratings of mechanical endurance previously given 6under the clause ‘type tests’ were moved to the new Table from different tables to one, Table ‘Coordination table of rated values for circuit-breakers’ of the of mechanical endurance previously given the clause ‘type were to the Table from differentendurance tables to classes’ one, Table Table Table 6under ‘Coordination table of tests’ rated recovery values for circuit-breakers’ of the of mechanical endurance previously givenvalues under the clause ‘type tests’ were moved moved to have the new new Table ‘Mechanical Standard of prospective transient voltage been taken previous version was removed ‘Mechanical endurance classes’ Standard values of prospective transient recovery voltage have been taken previous version was removed ‘Mechanical endurance classes’ Standard values of prospective transient recovery voltage have been taken from different tables to one, Table Table ‘Coordination table of rated values for circuit-breakers’ of the from different tables to one, from different tables one, Table Table 5 Table Table 6 ‘Coordination ‘Coordination table table of of rated rated values values for for circuit-breakers’ circuit-breakers’ of of the the previous version was to removed previous version was removed  Fixed installations  Particular requirements EN 50152 series under the generic title Railway applications EN 50152version series was under the generic title Railway applications  Fixed installations  Particular requirements previous removed for alternating alternating current current switchgear switchgear is is divided divided as as follows: follows: for Fixed installations  Particular requirements EN 50152 series under the generic title Railway applications  EN 50152 series under the generic title Railway applications  Fixed Fixed installations installations   Particular Particular requirements requirements EN alternating 50152 series underswitchgear the generic title Railway applications  for current is divided as follows: for Part 1: Circuit-breakers with nominal voltage above kV; alternating current is as 1: Circuit-breakers with nominal voltage above kV; for Part alternating current switchgear switchgear is divided divided as follows: follows: EN 50152-1:2012/A1:2013 Part 1: Disconnectors, Circuit-breakers with nominal voltage kV; Part 2: 2: earthing switches and above switches with nominal nominal voltage voltage above above kV; kV; Circuit-breakers with voltage above Part switches and switches with Part 1: 1: Disconnectors, Circuit-breakersearthing with nominal nominal voltage above kV; kV; EN 50152-1:2012/A1:2013 EN 50152-1:2012/A1:2013 Part 2: Disconnectors, earthing switches and switches with nominal voltage above kV; Part 3-1: Measurement, control and protection devices for specific use in a.c traction EN 50152-1:2012/A1:2013 2: Disconnectors, earthing switches and switches with nominal voltage above kV;  Part 3-1: Measurement, control and protection devices for specific use in a.c traction systems systems  Part 2: Disconnectors, earthing switches and switches with nominal voltage above kV; Application guide; Application guide;  Part 3-1: Measurement, control and protection devices for specific use in a.c traction systems Part control  Part 3-1: 3-1: Measurement, Measurement, control and and protection protection devices devices for for specific specific use use in in a.c a.c traction traction systems systems  Application guide; Part 3-2: 3-2: Measurement, Measurement, control and and protection protection devices devices for for specific specific use use in in a.c a.c traction traction systems systems   SingleSingleApplication guide; Part control Application guide; phase current current transformers; transformers; phase Part 3-2: Measurement, control and protection devices for specific use in a.c traction systems  SinglePart 3-2: Measurement, control Part 3-2: Measurement, control and and protection protection devices devices for for specific specific use use in in a.c a.c traction traction systems systems   SingleSinglephase current transformers;  Part 3-3: Measurement, control and protection devices for specific use in a.c traction systems phase current transformers;  SingleSinglePart 3-3: Measurement, control and protection devices for specific use in a.c traction systems phase current transformers; Foreword phase inductive voltage transformers phase inductive voltage transformers  SinglePart 3-3: Measurement, control and protection devices for specific use in a.c traction systems Foreword Part 3-3: Measurement, control  SingleSinglePart 3-3: Measurement, control and and protection protection devices devices for for specific specific use use in in a.c a.c traction traction systems systems  Foreword phase inductive voltage transformers Foreword This document (EN 50152-1:2012/A1:2013) has been prepared by CLC/SC 9XC "Electric supply and earthing phase inductive voltage transformers phase inductive voltage transformers Foreword to amendment A1 systems for public transport equipment and ancillary apparatus (Fixed installations)", of Technical Committee This document (EN 50152-1:2012/A1:2013) has been prepared by CLC/SC 9XC "Electric supply and earthing This document (EN 50152-1:2012/A1:2013) has prepared by 9XC supply earthing CLC/TC 9X "Electrical and electronic applications for railways" This document (ENtransport 50152-1:2012/A1:2013) has been been prepared (Fixed by CLC/SC CLC/SC 9XC "Electric "Electric supply and and earthing systems for public equipment and ancillary apparatus installations)", of Technical Committee systems for public transport equipment and ancillary apparatus (Fixed installations)", of Technical Committee systems for public transport equipment and ancillary apparatus (Fixed installations)", of Technical Committee CLC/TC 9X "Electrical and electronic applications for railways" CLC/TC 9X electronic The following dates areand fixed: CLC/TC 9X "Electrical "Electrical and electronic applications applications for for railways" railways" The following dates are fixed: The following are • latest datedates by which this document has (dop) 2014-08-19 The following dates are fixed: fixed: to be implemented at national level by •• latest date by which this document has (dop) 2014-08-19 latest date by which this document (dop) 2014-08-19 identical national has • publication latest date of byan which this document has (dop) 2014-08-19 to be implemented at national level by to be implemented at national level by standard or by endorsement to be implemented at national level by publication of an identical national identical national • publication latest date of byan which the national (dow) 2016-08-19 publication of an identical national standard or by endorsement standard or by endorsement standards conflicting with this orby bywhich endorsement •• standard latest date the national (dow) 2016-08-19 latest date by which national (dow) 2016-08-19 have to bethe withdrawn • document latest date by which the national (dow) 2016-08-19 standards conflicting with this standards conflicting with this standards conflicting with this document have to be withdrawn document document have have to to be be withdrawn withdrawn Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights CENELEC [and/or CEN] shall not be held responsible for identifying any or all such patent rights Attention is drawn to the possibility that some of the elements of this document may be the subject of patent Attention is to that some of the of this may be subject of Attention is drawn drawn[and/or to the the possibility possibility that some ofresponsible the elements elements of this document document may be the the subject of patent patent rights CENELEC CEN] shall not be held for identifying any or all such patent rights rights rights CENELEC CENELEC [and/or [and/or CEN] CEN] shall shall not not be be held held responsible responsible for for identifying identifying any any or or all all such such patent patent rights rights BS EN 50152-1:2012 EN 50152-1:2012 2– –- BS EN 50152-1:2012+A1:2013 EN 50152-1:2012+A1:2013 Contents Page Introduction - - 1 Scope - -  2 Normative references - -  3 Terms and definitions - - 4 Service conditions - - 5 5.1 5.2 5.3 5.4 5.5 5.6 5.9 5.10 5.11 5.12 5.13 5.14 Rating - -  General - -  Nominal voltage (Un) - - Rated voltage (UNe) - -  Insulation coordination - - Rated frequency [4.3] - -  Rated supply voltage of closing and opening devices and of auxiliary and control circuits (Ua) [4.8] - -  Rated short-circuit breaking current (ISC) [4.101] - - Transient Recovery Voltage (TRV) related to the rated short-circuit breaking current [4.102] - 10 -  Rated short-circuit making current [4.103] - 11 - Rated operating sequence [4.104] - 11 - Characteristics for short line faults [4.105] - 11 -  Rated out-of-phase making and breaking current [4.106] - 12 - Rated capacitive switching currents [4.107] - 12 - Number of mechanical operations [4.110] - 12 - 6 6.1 6.2 6.3 6.4 6.5 Design and construction [5] - 13 - General - 13 -  Nameplates [5.10] - 13 -  Creepage distances [5.14] - 13 -  Electromagnetic compatibility (EMC) [5.18] - 13 - Safety overpressure device - 13 -  7 7.1 7.2 7.3 7.4 7.5 7.6 7.7 7.8 7.9 7.10 7.11 7.12 Type tests [6] - 13 - General - 13 -  Dielectric tests [6.2] - 13 -  Electromagnetic compatibility tests (EMC) [6.9] - 14 - Mechanical and environmental tests [6.101] - 14 - Miscellaneous provisions for making and breaking tests [6.102] - 14 - Test circuit for short circuit making and breaking tests [6.103] - 17 - Short-circuit test quantities [6.104] - 17 - Basic short-circuit test-duties [6.106] - 19 - Single-phase and double-earth fault tests [6.108] - 19 - Short-line fault tests [6.109] - 19 - Out-of-phase making and breaking tests [6.110] - 19 - Capacitive current switching tests [6.111] - 20 - 8 Routine tests [7] - 20 -  9 Guidance to the selection of circuit-breakers for service [8] - 20 - 10 Information to be given with enquiries, tenders and orders [9] - 21 - 11 Rules for transport, storage, erection, operation and maintenance [10] - 21 -  12 Safety [11] - 21 - 13 Influence of the product on the environment [12] - 21 -  5.7 5.8 Bibliography - 22 -  BS EN 50152-1:2012+A1:2013 EN 50152-1:2012+A1:2013 3– –- BS EN 50152-1:2012 EN 50152-1:2012 Tables Table  Nominal voltages (Un), rated impulse voltages (UNi) and short-duration power-frequency withstand voltage (Ud) for circuits connected to the contact line - - Table  Standard values of transient recovery voltage - Representation by two parameters - 11 - Table  Preferred values of rated capacitive switching currents - 12 - Table  Mechanical endurance classes - 13 - Table  Standard values of prospective transient recovery voltage - Representation by two parameters - 18 -  Table  Specified values U1, t1, Uc and t2 - 20 - –- – BS EN 50152-1:2012 BS EN 50152-1:2012+A1:2013 EN 50152-1:2012 EN 50152-1:2012+A1:2013 Introduction This standard needs to be read in conjunction with EN 62271-1:2008 and EN 62271-100:2009 Where a particular clause of EN 62271-100 is not mentioned in this standard, that clause applies as far as reasonable Where requirements relate exclusively to three-phase systems or to voltages outside those in use in traction systems, they are not applicable Where this standard states "addition" or "replacement", the relevant text of EN 62271-100 needs to be adapted accordingly The numbering of clauses in EN 62271 series is not used in this European Standard The numbering in square brackets refers to the numbering of clauses in EN 62271 Where terms defined in EN 62271-1 and EN 62271-100 conflict with definitions of the same terms as given in IEC 60050-811:1991 or of the other railway applications documents listed in the normative references, the definitions in EN 62271-1 and EN 62271-100 need to be used NOTE The suffix N which appears in this standard for rated values is not present in EN 62271-1 and EN 62271-100 References in subclauses of EN 62271-1 and EN 62271-100 need to be replaced by references to applicable subclauses in this standard as far as reasonably possible BS EN 50152-1:2012+A1:2013 EN 50152-1:2012+A1:2013 EN 50152-1:2012 BS EN 50152-1:2012 –- – Scope This EN 50152-1 is applicable to single-pole and two-pole alternating current (a.c.) circuit-breakers which are:  for indoor or outdoor fixed installations in tractions systems, and  operated with an a.c line voltage and frequency as specified in EN 50163 NOTE EN 50163 specifies the a.c traction systems 15 kV 16,7 Hz and 25 kV 50 Hz NOTE As rails of a.c traction systems are connected to earth and included in the return current path all phase to earth voltages will be within the tolerances as specified in EN 50163 Nevertheless phase to phase voltages are sometimes higher e.g in autotransformer systems This European Standard is also applicable to the operating devices of circuit-breakers and to their auxiliary equipment This European Standard does not address circuit-breakers with dependent manual operating mechanism NOTE It is impossible to specify a rated short-circuit making current for these circuit-breakers and it is likely that such dependent manual operation is not meeting safety considerations Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application For dated references, only the edition cited applies For undated references, the latest edition of the referenced document (including any amendments) applies EN 50121-5, Railway applications  Electromagnetic compatibility  Part 5: Emission and immunity of fixed power supply installations and apparatus EN 50124-1:2001, Railway applications  Insulation coordination  Part 1: Basic requirements  Clearances and creepage distances for all electrical and electronic equipment EN 50152-2:2012, Railway applications  Fixed installations  Particular requirements for alternating current switchgear  Part 2: Disconnectors, earthing switches and switches with nominal voltage above kV EN 50163:2004, Railway applications  Supply voltages of traction systems EN 62271-1:2008, High-voltage (IEC 62271-1:2007) switchgear and controlgear  Part 1: Common specifications EN 62271-100:2009, High-voltage switchgear and controlgear  Part 100: Alternating-current circuitbreakers (IEC 62271-100:2008) Terms and definitions For the purposes of this document, the terms and definitions given in EN 62271-1:2008, EN 62271-100:2009 and the following apply 3.1 single-pole circuit-breaker circuit-breaker with one electrically separated conducting path for the main circuit suitable for use in a singlephase circuit –- – BS EN 50152-1:2012+A1:2013 BS EN 50152-1:2012 EN 50152-1:2012 EN 50152-1:2012+A1:2013 3.2 two-pole circuit-breaker circuit-breaker with two independent electrically separated conducting paths for the main circuit Note to entry: The two paths may be connected in series for use in a single-phase circuit where the establishment and the separation of the two paths is simultaneous 3.3 nominal voltage Un suitable approximate voltage value used to designate or identify a given supply system [SOURCE: EN 50124-1:2001, 1.3.2.1] Note to entry: This value is also assigned to the circuit-breaker to show its usability in the supply system Note to entry: An AT-System which is supplied with phases, having a phase shift of 180° between them, is commonly named x Un according to the Un supplied to the catenary system 3.4 rated voltage UNe value of voltage assigned by the manufacturer to the equipment or part of it and to which operating and performance characteristics are referred [SOURCE: EN 50124-1:2001, 1.3.2.3, modified] Note to entry: This value is also used to determine its dielectric characteristics and will be used instead of the rated insulation voltage (UNm) as defined and used in EN 50124-1 Note to entry: The abbreviation Ur is not used for railway circuit-breakers 3.5 Over Voltage category OV classification of the circuit protection against internal and external overvoltages 3.6 Pollution Degree PD classification of the pollution to be considered due to the micro climate 3.7 index of definitions same as in 3.8 of EN 62271-100:2009, but amended according to the definitions above Service conditions Clause of EN 62271-1:2008 is applicable with the following additions: - the minimum ambient air temperature under normal service conditions for indoor circuit-breakers shall be -5 °C; - for special service conditions, agreement shall be made between purchaser and supplier EN 50125-2 should be taken as guidance for the selection of appropriate classifications NOTE The altitude reference of EN 50124-1 (up to 000 m) applies to insulation coordination only and is not considered in this standard BS EN 50152-1:2012+A1:2013 EN 50152-1:2012+A1:2013 EN 50152-1:2012 BS EN 50152-1:2012 –- – Rating 5.1 General Clause of EN 62271-100:2009 is applicable except as noted in 5.2 – 5.14 below: 5.2 Nominal voltage (Un) The standard values of nominal voltage Un are 15 kV and 25 kV as listed in Table of EN 50163:2004 5.3 Rated voltage (UNe) Subclause 4.1 of EN 62271-1:2008 is replaced by the following: The rated voltage UNe shall be chosen taking into consideration the maximum voltage level suitable to be permanently applied to the circuit-breaker (i.e highest permanent voltage Umax1 as defined in EN 50163:2004) The value of UNe shall be used whenever EN 62271-1 or EN 62271-100:2009 reference to Ur unless another value is named explicitly NOTE The insulation characteristics determined by applying Umax1 are expected to be suitable to allow the highest non-permanent voltage Umax2 taken from EN 50163 NOTE The rated voltage for fixed installations in railway applications is a phase to earth value 5.4 Insulation coordination 5.4.1 General Insulation coordination shall be conducted according to EN 50124-1, e.g selection of values for Over Voltage category (OV) and Pollution Degree (PD) The rated voltage UNe shall be used when EN 50124-1 refers to the rated insulation voltage UNm The definition of the four overvoltage categories shall be as in EN 50124-1:2001, 2.2.2.1 The definition of the seven pollution degrees shall be as in EN 50124-1:2001, 2.5 and Table A.4 5.4.2 Rated insulation level [4.2] Subclause 4.2 of EN 62271-1:2008 is applicable except as follows: The value of the rated impulse withstand voltage UNi and of the power-frequency withstand voltage Ud shall be as given in Table 1, taken from the values listed in EN 50124-1:2001 BS EN 50152-1:2012+A1:2013 EN 50152-1:2012+A1:2013 EN 50152-1:2012 BS EN 50152-1:2012 –- 12 – 5.12 Rated out-of-phase making and breaking current [4.106] Subclause 4.106 of EN 62271-100:2009 shall be replaced by the following: The purchaser should identify if out-of-phase conditions apply If so the purchaser shall specify the out-ofphase making and breaking current for the system If rated out-of-phase making and breaking currents are assigned the following applies: a) the power frequency recovery voltage shall be √3 * UNe for 120° conditions and * UNe for 180° conditions; b) the transient recovery voltage shall be as given in Table 2; c) the rated out-of-phase breaking current shall be determined according to the maximum possible failure current of the fault loop The rated short circuit making current shall be the crest value of the rated out-of-phase breaking current 5.13 Rated capacitive switching currents [4.107] Subclause 4.107 of EN 62271-100:2009 applies with the following exception: Table of EN 62271-100:2009 shall be replaced by Table Table  Preferred values of rated capacitive switching currents Back-to-back capacitor bank Line Cable Single capacitor bank Nominal voltage Rated linecharging breaking current Rated cablecharging breaking current Rated single capacitor breaking current Rated back-toback capacitor bank breaking current Rated back-toback capacitor bank inrush making current Frequency of the inrush current U Ne Il Ic I sb I bb I bi f bi kV, r.m.s A, r.m.s A, r.m.s A, r.m.s A, r.m.s kA peak Hz 15 10 50 200 200 20 250 25 10 80 200 200 20 250 The values given in this table are chosen for standardisation purposes They are preferred values and cover the majority of typical applications If different values are needed, any appropriate value may be specified as a rated value NOTE For actual cases, the inrush currents can be calculated based on Annex H of EN 62271-100:2009 If back- to-back capacitor switching tests are performed, single capacitor bank switching tests are not required NOTE The peak value of the inrush current and the inrush current frequency are under some conditions higher or lower than the preferred values stated in Table of EN 62271-100:2009 depending on system conditions, for example whether or not current limiting reactors are used 5.14 Number of mechanical operations Subclause 4.110 of EN 62271-100:2009 is applicable except as follows Values of mechanical endurance classes of switching devices shall be as given in Table 4: [4.110] BS EN 50152-1:2012+A1:2013 BS EN 50152-1:2012 EN 50152-1:2012 EN 50152-1:2012+A1:2013 –- 13 – Table  Mechanical endurance classes NOTE Mechanical endurance class Operating cycles Class 000 Class 000 Class 10 000 Each operating cycle consists of one OPEN and one CLOSE operation Design and construction [5] 6.1 General Clause of EN 62271-100:2009 is applicable except as follows below in 6.2 - 6.5 6.2 Nameplates [5.10] Subclause 5.10 of EN 62271-100:2009 is applicable with the following exception: The abbreviation of the rated voltage shall be UNe as defined in this standard 6.3 Creepage distances [5.14] Subclause 5.14 of EN 62271-100:2009 is replaced by: All creepage distances in air shall be based on the rated voltage UNE and determined according to EN 50124-1:2001, Clause Creepage distances other than in air are fixed by the manufacturer according to the insulation system 6.4 Electromagnetic compatibility (EMC) [5.18] Subclause 5.18 of EN 62271-100:2009 is applicable with the following exception: Test values shall be taken from EN 50121-5 6.5 Safety overpressure device When specified by the purchaser, the circuit-breaker shall be equipped with a device allowing the release of accidental overpressures without breakages in the enclosure Type tests [6] 7.1 General Clause of EN 62271-100:2009 is applicable except as follows below in 7.2 – 7.12 7.2 Dielectric tests 7.2.1 [6.2] General Subclause 6.2 of EN 62271-100:2009 is applicable except as follows 7.2.2 Power-frequency voltage tests Subclause 6.2.7.1 of EN 62271-100:2009 is applicable with the following addition: The test voltage shall be in accordance with Table [6.2.7.1] BS EN 50152-1:2012+A1:2013 EN 50152-1:2012+A1:2013 EN 50152-1:2012 BS EN 50152-1:2012 7.2.3 –- 14 – Lightning impulse voltage tests [6.2.7.3] Subclause 6.2.7.3 of EN 62271-100:2009 is applicable with the following addition The test voltage shall be in accordance with Table When the rated lightning impulse withstand voltage assigned to the open breaker is higher than that assigned to the rest of the breaker the lightning impulse voltage test of the open breaker shall be carried out in two test series as follows:  the first test series consists of the application, to each terminal, of 15 consecutive impulses of positive polarity and 15 consecutive impulses of negative polarity at the peak value of the voltage level assigned to the open breaking contact, the opposite terminal being earthed The base, the other terminals (if any) and the terminal to which the voltage is applied, may be insulated in such a way as to prevent disruptive discharges to earth due to higher test voltages as assigned to the whole circuit-breaker;  the second test series consists of the application, to each terminal in turn, of 15 consecutive impulses of positive polarity and 15 consecutive impulses of negative polarity at the rated withstand voltage UNi assigned to the whole circuit-breaker The other terminals and the base shall be earthed 7.2.4 Artificial pollution tests [6.2.8] Subclause 6.2.8 of EN 62271-100:2009 is applicable with the following addition: Minimum creepage distances shall be in accordance with EN 50124-1 7.2.5 Voltage test as a condition check [6.2.11] Subclause 6.2.11 of EN 62271-100:2009 is applicable with the following addition: The test voltage shall be selected from Table 7.3 Electromagnetic compatibility tests (EMC) [6.9] Subclause 6.9 of EN 62271-100:2009 is applicable except as follows: Emission and immunity levels shall be taken from EN 50121-5 7.4 Mechanical and environmental tests 7.4.1 [6.101] General Subclause 6.101 of EN 62271-100:2009 is applicable except as follows: The mechanical operation test and the extended mechanical endurance test as specified in 6.101.2 of EN 62271-100:2009 shall be performed with the number of operations as given in Table for the respective class 7.4.2 Low and high temperature tests [6.101.3] Subclause 6.101.3 of EN 62271-100:2009 is applicable except as follows: For single enclosure circuit-breakers or multi-enclosure circuit-breakers with a common operating device, two-pole tests shall be performed For single-pole circuit-breakers or two-pole circuit-breakers with independent poles, testing of one complete pole shall be undertaken 7.5 Miscellaneous provisions for making and breaking tests 7.5.1 General Subclause 6.102 of EN 62271-100:2009 is applicable except as follows below in 7.5.2 – 7.5.8: [6.102] –- 15 – 7.5.2 BS EN 50152-1:2012+A1:2013 BS EN 50152-1:2012 EN 50152-1:2012 EN 50152-1:2012+A1:2013 General requirements on tests [6.102.1] Subclause 6.102.1 of EN 62271-100:2009 is amended by: Only single-phase tests and related requirements apply for short circuit breaking and making tests as specified in 7.6 to 7.12 in this standard and 6.103 to 6.112 of EN 62271-100:2009 For two-pole circuit-breakers both poles shall be mounted and operated during the making and breaking tests Where each pole is independently operated at the traction line voltage then the respective short circuit making and breaking current shall only be applied to one pole Where both poles are connected in series, then the respective short circuit making and breaking current shall be applied to both poles to achieve conditions as in normal operation Values of tolerances of the supply voltage shall be taken as specified in 5.6 unless specified otherwise 7.5.3 Arrangement of circuit-breaker for tests [6.102.3] Subclause 6.102.3.of EN 62271-100:2009 is applicable except as follows: Subclauses 6.102.3.2 and 6.102.3.3 of EN 62271-100:2009 are only applicable for two-pole circuit-breakers 7.5.4 General considerations concerning test methods [6.102.4] Subclause 6.102.4 of EN 62271-100:2009 applies except of 6.102.4.1 7.5.5 Synthetic tests [6.102.5] Subclause 6.102.5.of EN 62271-100:2009 is amended by: NOTE 7.5.6 Synthetic tests are unlikely to be necessary for circuit-breakers in railway applications No-load operations before tests [6.102.6] Subclause 6.102.6.of EN 62271-100:2009 is applicable except as follows: For pneumatic or hydraulic operating devices, the operations shall be made under the following conditions: a) same as a) in 6.102.6.of EN 62271-100:2009; b) same as b) in 6.102.6.of EN 62271-100:2009; c) the pressure of the liquid for operation set at its maximum functional value with the shunt releases energized with the maximum value of the tolerance of the supply voltage as specified in 5.6; d) the pressure of the liquid for operation set at its maximum functional value with the shunt opening releases energized with the minimum value of the tolerance of the supply voltage as specified in 5.6 NOTE 7.5.7 Shunt opening and closing releases have different minimum functional values in many cases Behaviour of circuit-breaker during tests [6.102.8] Subclause 6.102.8.of EN 62271-100:2009 is amended by: In certain circumstances, it may be necessary to maintain a permanent electrical connection between the frame of the circuit-breaker and earth In such cases it is permissible to earth the frame through the primary winding of a suitable transformer having a 1:1 ratio, with the fuse connected across the secondary winding of the transformer and with the secondary terminals protected by a spark gap BS EN 50152-1:2012+A1:2013 EN 50152-1:2012+A1:2013 EN 50152-1:2012 BS EN 50152-1:2012 –- 16 – Overvoltages produced during line-charging, cable-charging, capacitor bank and small inductive current breaking tests shall not exceed the maximum permissible switching overvoltages specified by the manufacturer External flashover shall not occur 7.5.8 Circuit-breaker with short arcing times [6.102.10] Subclause 6.102.10 of EN 62271-100:2009 is replaced by: It is recognized that, when breaking tests are made on circuit-breakers having short arcing times, there may be great variation in actual severity of tests with the same circuit setting due to the point on the current wave at which contact separation occurs For this reason, the testing procedure for circuit-breakers with arcing times (to the extinction of the main arc for circuit-breakers with switching resistors) not exceeding one cycle is given below under item 1), 2) and 3) The tests under item 2) consist of three valid operations independent of the rated operating sequence After the number of operations provided for in accordance with the rated operating sequence the circuit-breaker may be reconditioned in accordance with 6.102.9.5 of EN 62271-100:2009 The same test procedure may be applied also for circuit-breakers having longer arcing times than one cycle 1) Test-duties T10, T30, T60, T100s(a) and T100s(b) (7.8 and 6.106.1 – 6.106.4 of EN 62271-100:2009) The first valid breaking operation shall demonstrate the first possible clearance after contact separation This is obtained when an extra delay in the separation of the contacts with respect to a zero passage of the current causes breaking to occur at the next zero passage of the current NOTE The resultant arcing time has been termed the minimum arcing time For the second breaking operation, the setting of the control of the tripping impulse shall be approximately 60 electrical degrees earlier than that of the first valid breaking operation The resultant clearance should occur at the same current zero as the first valid breaking operation The control of the tripping impulse for the third breaking operation shall be earlier than that of the second breaking operation by a further (90 electrical degrees - dt) where dt is less than 18 electrical degrees 2) Test-duties T10, T30, T60, T100s(a) and T100s(b) (7.8 and 6.106.1 – 6.106.4 of EN 62271-100:2009) The first valid breaking operation shall demonstrate the first possible clearance after contact separation This is obtained when an extra delay in the separation of the contacts with respect to a zero passage of the current causes the breaking to occur at the next zero passage of the current NOTE The resultant arcing time has been termed the minimum arcing time For the second breaking operation, the setting of the control of the tripping impulse shall be earlier than that of the first valid breaking operation (180 electrical degrees - dt) where dt is less than 18 electrical degrees For the third breaking operation, the setting of the control of the tripping operation shall be 90 electrical degrees earlier than that of the first valid breaking operation The three valid operations may be performed in any sequence Both conditions 1) and 2) may be demonstrated by combining the above in one test series The transient and the power frequency recovery voltages to be used shall be those applicable to the traction systems 3) Test-duty T100a (7.8 and 6.106.5 of EN 62271-100:2009) A first valid operation shall be established in such a way that arc extinction occurs at the end of the major loop Contact separation shall occur in or even before the preceding minor loop It may be necessary to make more than one test to achieve this valid test –- 17 – BS EN 50152-1:2012+A1:2013 BS EN 50152-1:2012 EN 50152-1:2012 EN 50152-1:2012+A1:2013 Relative to this moment of contact separation a second breaking operation shall be made with the setting of the control of the tripping impulse advanced by approximately 60 electrical degrees This second operation is valid only if arc extinction occurs after the minor loop If arc extinction does not occur at the minor loop, then the first operation is invalid A third operation shall be made with the setting of the control of the tripping impulse retarded by approximately 60 electrical degrees with respect to the first valid operation 4) Out-of-Phase test duties Subclause 6.110.3 of EN 62271-100:2009 applies 7.6 Test circuit for short circuit making and breaking tests 7.6.1 [6.103] General Subclause 6.103 of EN 62271-100:2009 is applicable except as in 7.6.2 – 7.6.3 below 7.6.2 Frequency [6.103.2] Subclause 6.103.2 of EN 62271-100:2009 is applicable except that the tolerance of the frequency is ± 10 % 7.6.3 Earthing of test circuit [6.103.3] Subclause 6.103.3 of EN 62271-100:2009 is replaced by the following: The connections to earth of the test circuit for short-circuit making and breaking tests shall be in accordance with the following requirements and shall in all cases be indicated in the diagram of the test circuit included in the report (see EN 62271-100:2009, C.2.4, item g) The test circuit and the circuit-breaker structure shall be connected as in Figure 27a of EN 62271-100:2009 and the voltage applied shall be Umax2 instead of the formula in the figure The voltage conditions between live parts and the structure after arc extinction are the same as those which would exist in the circuit 7.7 Short-circuit test quantities 7.7.1 [6.104] General Subclause 6.104 of EN 62271-100:2009 is applicable except as follows below in 7.7.2 – 7.7.6 7.7.2 Applied voltage before short-circuit making tests [6.104.1] Subclause 6.104.1 of EN 62271-100:2009 is replaced by the following: For the short-circuit making tests of 7.10.6 the applied voltage shall not be less than the larger of the rated voltage UNe and the voltage value Umax1 as given by EN 50163:2004 The applied voltage shall not exceed this value by more than 10 % without the consent of the manufacturer NOTE The value of UNe takes into account special circuit arrangements where the voltage of the circuit to be interrupted exceeds the maximum voltage of the system (see Note of Table 1) 7.7.3 Short-circuit making current Subclause 6.104.2 of EN 62271-100:2009 applies except as follows: Reference shall be to the appropriate clauses in this standard EN 62271-100:2009, 6.104.2.1, Note does not apply Subclause 6.104.2.2.1 of EN 62271-100:2009 does not apply [6.104.2] BS EN 50152-1:2012+A1:2013 EN 50152-1:2012+A1:2013 EN 50152-1:2012 BS EN 50152-1:2012 –- 18 – NOTE Single-phase tests are described in 6.104.2.2.2 of EN 62271-100:2009 7.7.4 Transient recovery voltage (TRV) for short circuit breaking tests [6.104.5] 7.7.4.1 General [6.104.5.1] Subclause 6.104.5.1 of EN 62271-100:2009 is replaced by the following: The prospective TRV of the test circuits shall be determined by such a method as will produce and measure the TRV-wave without significantly influencing it It shall be measured at the terminals to which the circuit-breaker will be connected with all necessary test-measuring devices, such as voltage dividers, etc Suitable methods are described in Annex F of EN 62271-100:2009 (see also 6.104.6 of EN 62271-100:2009) In such cases where a measurement is not possible, for instance in some synthetic circuits, a calculation of the prospective TRV is allowed Guidance is given in Annex F of EN 62271-100:2009 The prospective TRV for the test is represented by its envelope drawn as shown in Annex E of EN 62271-100:2009 and by its initial portion The TRV specified for the test is represented by a reference line and a delay line The prospective TRV-wave of the test circuit shall at no time have its envelope below the specified reference line It is stressed that the extent by which the envelope may exceed the specified reference line requires the consent of the manufacturer 7.7.4.2 Test-duty T100s and T100a [6.104.5.2] Subclause 6.104.5.2 of EN 62271-100:2009 is replaced by the following: The specified TRV values are given by the standard values in Table 7.7.4.3 Test-duties T10, T30 and T60 [6.104.5.5, 6.104.5.4 and 6.104.5.3] Subclauses 6.104.5.3, 6.104.5.4 and 6.104.5.5 of EN 62271-100:2009 are replaced by the following: The specified standard values are given in Table Where the purchaser has requirements for higher severities of TRV than those in Table 5, these shall be identified in purchaser's specification Table  Standard values of prospective transient recovery voltage Representation by two parameters Nominal voltage Maximum non permanent voltage Un kV 15 25 TRV peak values Time Time delay Voltage Time RRRV U max2 uc t3 td u' t' u c /t kV kV µs µs kV µs kV/µs T60 38 46 13 24 0,83 T30 38 23 13 13 1,65 18 29 Test duty T10 38 23 13 13 1,65 T60 62 57 11 21 30 1,09 T30 62 28 21 15 2,21 T10 62 28 21 15 2,21 where u C = 1,5 × U max2 × = 1,5 × u C Table 1,4 ; –- 19 – BS EN 50152-1:2012+A1:2013 BS EN 50152-1:2012 EN 50152-1:2012 EN 50152-1:2012+A1:2013 1,5 = corrected amplitude factor (EN 62271-100); u ′ ≈ uC ; t d = 0,2 × t (of Table 13 of EN 62271-100:2009); t ′ = (t 3) + t d Owing to difficulties of meeting short times t3 in testing stations at low currents, no values are specified The shortest time which can be obtained should be used, but should not be less than the values given in Table NOTE 7.7.5 The TRV peak values of test duty T10 correspond to the appropriate values specified for test-duty T30 Test-duties OP1 and OP2 [6.104.5.6] Subclause 6.104.5.5 of EN 62271-100:2009 is replaced by the following: The TRV values are given in Table NOTE 7.7.6 Test duties OP1 and OP2 are described in 6.110.3 of EN 62271-100:2009 Power frequency recovery voltage [6.104.7] Subclause 6.104.7 of EN 62271-100:2009 applies except as follows: Reference shall be to the appropriate clauses in this standard The specified value of the test voltage after the test shall be maintained for at least 0,1 s instead of at least 0,3 s a) and b) of EN 62271-100:2009 not apply c) of EN 62271-100:2009 applies to single-pole and two-pole circuit-breakers 7.8 Basic short-circuit test-duties [6.106] Subclause 6.106 of EN 62271-100:2009 applies except as follows: Reference shall be to the appropriate clauses in this standard Test-duty T100a as specified in 6.106.5 of EN 62271-100:2009 shall be applied when the minimum opening time Top of the circuit-breaker plus the minimum relay time Tr (1 ms for 16,7 Hz and 10 ms for 50 Hz) is less than 80 ms 7.9 Single-phase and double-earth fault tests [6.108] Subclause 6.108 of EN 62271-100:2009 does not apply NOTE For railway systems these conditions are covered by the basic short circuit test duties 7.10 Short-line fault tests [6.109] Subclause 6.109 of EN 62271-100:2009 does not apply NOTE For railway systems these conditions are covered by the basic short circuit test 7.11 Out-of-phase making and breaking tests Subclause 6.110 of EN 62271-100:2009 applies except as follows: A rated out-of-phase breaking current has to be specified by the purchaser Umax2 shall be used in the formulas of EN 62271-100 instead of Ur/√3 The power factor of the test circuit shall not exceed 0,15 for 50 Hz and 0,4 for 16,7 Hz [6.110] BS EN 50152-1:2012+A1:2013 EN 50152-1:2012+A1:2013 EN 50152-1:2012 BS EN 50152-1:2012 –- 20 – 7.12 Capacitive current switching tests [6.111] 7.12.1 General Subclause 6.111 of EN 62271-100:2009 applies except as follows: The testing voltage shall be Umax2 The interval after final arc extinction as specified in 6.111.5 shall be 100 ms instead of 300 ms The maximum value of the non inductive resistor as specified in 6.111.5.1 shall be 10 % instead of % The earthing conditions of the test capacitor shall be the same as for the capacitor when in service 7.12.2 Test voltage [6.111.7] Subclause 6.111.7 of EN 62271-100:2009 is replaced by the following: For single-phase laboratory tests, the test voltage measured at the circuit-breaker location immediately before the opening shall, as nearly as possible, be equal to Umax2 of EN 50163:2004 The power frequency test voltage and the d.c voltage resulting from the trapped charge on the capacitive circuit shall be maintained for a period of 0,1 s after breaking Shorter discharge time constants of the capacitive circuit than stated in 7.12 may be used provided that the behaviour of the circuit-breaker under d.c voltage is checked by alternative means 7.12.3 Test with specified TRV [6.111.10] Subclause 6.111.10 of EN 62271-100:2009 applies except as follows: Table 32 of EN 62271-100:2009 shall be replaced by Table Table  Specified values U1, t1, Uc and t2 Test duties a Recovery voltage values of Figure 54 of EN 62271-100:2009 in relation to the peak value of the test voltage uc u1 p.u p.u ≥ 1,98 ≤ 0,02 x k af a ≥ 1,95 ≤ 0,05 x k af a Time values of Figure 54 of EN 62271-100:2009 t1 t2 ms t1 or ti of 5.14.4 for terminal fault 26,1 for 16,7 Hz 8,7 for 50 Hz amplitude factor: kaf = 1,4 (see Table 2) Routine tests [7] Clause of EN 62271-100:2009 is applicable except as follows: Voltage reference in dielectric tests shall be made to the values given in Table NOTE Subclauses 7.1 to 7.4 of EN 62271-100:2009 only contain cross-references to EN 62271-1 Guidance to the selection of circuit-breakers for service Clause of EN 62271-100:2009 is applicable [8] BS EN 50152-1:2012+A1:2013 BS EN 50152-1:2012 EN 50152-1:2012 EN 50152-1:2012+A1:2013 –- 21 – 10 Information to be given with enquiries, tenders and orders [9] Clause of EN 62271-100:2009 is applicable with the following addition: The list of 9.102 a) of EN 62271-100:2009 shall be amended by: 30) the sum of the broken current quantity expressed by n ∑Ỵ k =1 k , in (kA) , given as maximum admitted summation from to n (n being the number of break operations) of the square of the prospective breaking current at each break operation 31) criteria allowing determination of the wear of active parts, if any 11 Rules for transport, storage, erection, operation and maintenance [10] Clause 10 of EN 62271-100:2009 is applicable 12 Safety [11] Clause 11 of EN 62271-100:2009 is applicable 13 Influence of the product on the environment Clause 12 of EN 62271-100:2009 is applicable [12] BS EN 50152-1:2012+A1:2013 EN 50152-1:2012+A1:2013 EN 50152-1:2012 BS EN 50152-1:2012 –- 22 – Bibliography EN 50119:2009, Railway applications  Fixed installations  Electric traction overhead contact lines EN 50121 (all parts), Railway applications  Electromagnetic compatibility EN 50122-1:2011, Railway applications  Fixed installations  Electrical safety, earthing and the return circuit  Part 1: Protective provisions against electric shock EN 50124-2:2001, Railway applications  Insulation coordination  Part 2: Overvoltages and related protections EN 50125-2:2002, Railway applications  Environmental conditions for equipment  Part 2: Fixed electrical installations EN 50126 (all parts), Railway applications  The specification and demonstration of Reliability, Availability, Maintainability and Safety (RAMS) EN 60044-1, Instrument transformers  Part 1: Current transformers (IEC 60044-1) EN 60060-1, High-voltage test techniques  Part 1: General definitions and test requirements (IEC 60060-1) EN 60068 (all parts), Environmental testing (IEC 60068, all parts) EN 60137:2008, Insulated bushings for alternating voltages above 1000 V (IEC 60137:2008) EN 60270, High-voltage test techniques  Partial discharge measurements (IEC 60270) EN 60296, Fluids for electrotechnical applications  Unused mineral insulating oils for transformers and switchgear (IEC 60296) EN 60376, Specification of technical grade sulphur hexafluoride (SF6) for use in electrical equipment (IEC 60376) EN 60470, High-voltage alternating current contactors and contactor-based motorstarters (IEC 60470) EN 60507:1993, Artificial pollution tests on high-voltage insulators to be used on a.c systems (IEC 60507:1991) EN 60721 (all parts), Classification of environmental conditions (IEC 60721, all parts) EN 61000 (all parts), Electromagnetic compatibility (EMC) (IEC 61000, all parts) EN 62271-102:2002, High-voltage switchgear and controlgear  Part 102: Alternating-current disconnectors and earthing switches (IEC 62271-102:2001) EN 62271-200:2004, High-voltage switchgear and controlgear  Part 200: AC metal-enclosed switchgear and controlgear for rated voltages above kV and up to and including 52 kV (IEC 62271-200:2003) IEC 60050-151, International Electrotechnical Vocabulary (IEV)  Part 151: Electrical and magnetic devices IEC 60050-441, International Electrotechnical Vocabulary (IEV)  Chapter 441: Switchgear, controlgear and fuses IEC 60050-446, International Electrotechnical Vocabulary (IEV)  Chapter 446: Electrical relays IEC 60050-604, International Electrotechnical Vocabulary (IEV)  Chapter 604: Generation, transmission and distribution of electricity – Operation –- 23 – BS EN 50152-1:2012+A1:2013 BS EN 50152-1:2012 EN 50152-1:2012 EN 50152-1:2012+A1:2013 IEC 60050-605:1983, International Electrotechnical Vocabulary (IEV)  transmission and distribution of electricity  Substations Chapter 605: Generation, IEC 60050-811:1991, International Electrotechnical Vocabulary (IEV)  Chapter 811: Electric traction IEC/TS 60815 (all parts), Selection and dimensioning of insulators intended for use in polluted conditions This page deliberately left blank This page deliberately left blank NO COPYING WITHOUT 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