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Note: Latest version: IEC 60947-4-1:2018 ED4
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IEC 60947-4-1:2000 ED2
IEC 60947-4-1:2000/AMD1:2002 ED2
IEC 60947-4-1:2000/COR1:2001 ED2
IEC 60947-4-1:2000+AMD1:2002 CSV ED2.1
IEC 60947-4-1:2000/AMD2:2005 ED2
IEC 60947-4-1:2000+AMD1:2002 CSV
IEC 60947-4-1:2009 ED3
IEC 60947-4-1:2009/AMD1:2012 ED3
IEC 60947-4-1:2018 ED4
IEC 60947-4-1:2018 RLV