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raisingstandardsworldwide™NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBYCOPYRIGHTLAWBSIBritishStandardsArcweldingequipment—Part8:GasconsolesforweldingandplasmacuttingsystemsBSEN60974-8:2009NationalforewordThisBritishStandardistheUKimplementationofEN60974-8:2009.ItisidenticaltoIEC60974-8:2009.ItsupersedesBSEN60974-8:2004whichiswithdrawn.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteeWEE/6,Electricarcweldingequipment.Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitssecretary.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.©BSI2009ISBN9780580587405ICS25.160.30CompliancewithaBritishStandardcannotconferimmunityfromlegalobligations.ThisBritishStandardwaspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon30September2009AmendmentsissuedsincepublicationAmd.No.DateTextaffectedBRITISHSTANDARDBSEN60974-8:2009EUROPEANSTANDARDEN60974-8NORMEEUROPÉENNEEUROPÄISCHENORMMarch2009CENELECEuropeanCommitteeforElectrotechnicalStandardizationComitéEuropéendeNormalisationElectrotechniqueEuropäischesKomiteefürElektrotechnischeNormungCentralSecretariat:avenueMarnix17,B-1000Brussels©2009CENELEC-AllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENELECmembers.Ref.No.EN60974-8:2009EICS25.160SupersedesEN60974-8:2004EnglishversionArcweldingequipment-Part8:Gasconsolesforweldingandplasmacuttingsystems(IEC60974-8:2009)Matérieldesoudageàl'arc-Partie8:Consolesdegazpoursoudageetsystèmesdecoupageplasma(CEI60974-8:2009)Lichtbogenschweißeinrichtungen-Teil8:GaskonsolenfürSchweiß-undPlasmaschneidsysteme(IEC60974-8:2009)ThisEuropeanStandardwasapprovedbyCENELECon2009-03-01.CENELECmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENELECmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENELECmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusastheofficialversions.CENELECmembersarethenationalelectrotechnicalcommitteesofAustria,Belgium,Bulgaria,Cyprus,theCzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,theNetherlands,Norway,Poland,Portugal,Romania,Slovakia,Slovenia,Spain,Sweden,SwitzerlandandtheUnitedKingdom.BSEN60974-8:2009EN60974-8:2009-2-ForewordThetextofdocument26/381/CDV,futureedition2ofIEC60974-8,preparedbyIECTC26,Electricwelding,wassubmittedtotheIEC-CENELECparallelvoteandwasapprovedbyCENELECasEN60974-8on2009-03-01.ThisEuropeanStandardsupersedesEN60974-8:2004.ThesignificantchangeswithrespecttoEN60974-8:2004arethefollowing:–removalofintrinsicallysafedesign;–introductionofgasmixingfunction;–newinformativeratingplatelayout;–inducedchangesduetopublicationofEN60974-1:2005.ThisstandardistobeusedinconjunctionwithEN60974-1.Thefollowingdateswerefixed:–latestdatebywhichtheENhastobeimplementedatnationallevelbypublicationofanidenticalnationalstandardorbyendorsement(dop)2009-12-01–latestdatebywhichthenationalstandardsconflictingwiththeENhavetobewithdrawn(dow)2012-03-01AnnexZAhasbeenaddedbyCENELEC.__________EndorsementnoticeThetextoftheInternationalStandardIEC60974-8:2009wasapprovedbyCENELECasaEuropeanStandardwithoutanymodification.Intheofficialversion,forBibliography,thefollowingnoteshavetobeaddedforthestandardsindicated:IEC60204-1NOTEHarmonizedasEN60204-1:2006(modified).IEC60664-1NOTEHarmonizedasEN60664-1:2007(notmodified).IEC60974-2NOTEHarmonizedasEN60974-2:2008(notmodified).IEC60974-3NOTEHarmonizedasEN60974-3:2007(notmodified).IEC60974-7NOTEHarmonizedasEN60974-7:2005(notmodified).IEC61010-1NOTEHarmonizedasEN61010-1:2001(notmodified).__________BSEN60974-8:2009-3-EN60974-8:2009AnnexZA(normative)NormativereferencestointernationalpublicationswiththeircorrespondingEuropeanpublicationsThefollowingreferenceddocumentsareindispensablefortheapplicationofthisdocument.Fordatedreferences,onlytheeditioncitedapplies.Forundatedreferences,thelatesteditionofthereferenceddocument(includinganyamendments)applies.NOTEWhenaninternationalpublicationhasbeenmodifiedbycommonmodifications,indicatedby(mod),therelevantEN/HDapplies.PublicationYearTitleEN/HDYearIEC60050-151-1)InternationalElectrotechnicalVocabulary(IEV)-Part151:Electricalandmagneticdevices--IEC60529-1)Degreesofprotectionprovidedbyenclosures(IPCode)EN60529+corr.May19912)1993IEC60974-12005Arcweldingequipment-Part1:WeldingpowersourcesEN60974-120051)Undatedreference.2)Valideditionatdateofissue.BSEN60974-8:2009–2–60974-8©IEC:2009CONTENTS1Scope...............................................................................................................................62Normativereferences................................................................