BS EN 60974-1:2012 - Arc welding equipment. Welding power sources

BS EN 60974-1:2012

Arc welding equipment. Welding power sources

Status : Withdrawn, Superseded   Published : August 2012 Replaced By : BS EN IEC 60974-1:2018+A1:2019

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IEC 60974-1:2012 is applicable to power sources for arc welding and allied processes designed for industrial and professional use, and supplied by a voltage not exceeding 1 000 V, or driven by mechanical means. This part of IEC 60974 specifies safety and performance requirements of welding power sources and plasma cutting systems. This fourth edition cancels and replaces the third edition published in 2005 and constitutes a technical revision. The significant changes with respect to the previous edition are the following:


- the heating test shall be carried out at ambient temperature of 40 °C (see 5.1);


- new Figure 1 summarizes example of insulation requirements;


- creepage distances for pollution degree 4 are no longer valid (see Table 2);


- insulation requirements for Class II equipment are defined (see Table 3);


- dielectric test voltage interpolation restriction lower limit is changed to 220 V and interpolation for control and welding circuit is clarified (see Table 4);


- water test is clarified by suppression of visual inspection (see 6.2.1);


- isolation requirements of the supply circuit and the welding circuit are moved in protection against electric shock in normal service (see 6.2.4);


- touch current in normal service and in single fault condition requirements are changed (see 6.2.5, 6.2.6 and 6.3.6);


- maximum temperature for insulation systems are reviewed in accordance with current edition of IEC 60085 (see Table 6);


- limits of temperature rise for external surfaces are updated depending of unintentional contact period as defined in ISO 13732-1 (see Table 7);


- loading test is completed by a dielectric test (see 7.4);


- conformity test for tolerance to supply voltage fluctuation is clarified (see 10.1);


- marking of terminals is limited to external protective conductor and three-phase equipment terminals (see 10.4);


- usage of hazard reducing device is clarified (see 11.1);


- requirements for control circuits are changed (see Clause 12);


- impact test is clarified (see 14.2.2);


- environmental parameters are completed (see Annex M).




Standard NumberBS EN 60974-1:2012
TitleArc welding equipment. Welding power sources
StatusWithdrawn, Superseded
Publication Date31 August 2012
Withdrawn Date04 October 2018
Normative References(Required to achieve compliance to this standard)IEC 60529, EN 61558-2-6, IEC 60245-6, EN 60695-11-10, IEC 61558-2-4, IEC 60445, IEC 60664-3, IEC 60417-DB:2011, IEC 60974-7, IEC 61558-2-6, IEC 60050-151:2001, EN 60664-1:2007, IEC 60050-851:2008, EN 61558-2-4, EN 60445, IEC 60664-1:2007, IEC 61140, IEC 60417, EN 61140, IEC 60695-11-10, EN 60974-7, EN 60664-3:2017
Informative References(Provided for Information)ISO 3864-1, EN 60974-10, CSA C22.1, IEC 60309-1, IEC 60974-10, EN ISO 13732-1, EN 60204-1, HD 22.1 S4, IEC 60950-1, EN 60085, HD 22.6 S2, NFPA 70, EN 61558-1, IEC 60974-12, IEC 60974-6, IEC 60076-12, EN 60038:2011, IEC 62079, EN 60309-1, US Code of Federal Regulations, ISO 17846, IEC 60050-811:1991, ISO 7000:2004, ISO 13732-1, IEC 60038:2009, EN 62079, EN 60950-1, IEC 60050-826:2004, EN 60974-12, IEC/TR 60755:2008, EN 60974-6, IEC 60204-1, IEC 61558-1, BS EN IEC 60974-9:2018, IEC 60050-195:1998, IEC 60974-9:2018, IEC 60085
Replaced ByBS EN IEC 60974-1:2018+A1:2019
ReplacesBS EN 60974-1:2005
International RelationshipsEN 60974-1:2012,IEC 60974-1:2012
Draft Superseded By08/30195564 DC
DescriptorsIdentification methods, Voltage, Safety measures, Test equipment, Performance testing, Circuits, Clearance distances, Capacitors, Dielectric-strength tests, Testing conditions, Temperature measurement, Welding equipment, Electric load, Electric cables, Voltage measurement, Heating tests, Electrical insulation, Safety devices, Arc cutting, Electric enclosures, Arc welding, Electrical tolerances, Electric power systems, Marking, Switches, Tolerances (measurement), Electric conductors, Drop tests, Leakage paths, Welding, Electrical safety, Electric terminals, Electrical components, Temperature-rise limit, Electrical protection equipment, Instructions for use, Electric control equipment, Protected electrical equipment, Electrical connections, Rated voltage, Electrical testing, Arc-welding equipment, Overload (electric), Type testing, Symbols, Temperature rise, Stability, Thermal protection, Environment (working), Impact testing, Strength of materials
ICS13.120
25.160.30
97.030
Title in FrenchMatériel de soudage à l'arc. Sources de courant de soudage
Title in GermanLichtbogenschweißeinrichtungen. Schweißstromquellen
CommitteeWEE/6
ISBN978 0 580 65872 3
PublisherBSI
FormatA4
DeliveryYes
Pages116
File Size1.397 MB
Price£292.00


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