CENELEC
International Standards and Conformity Assessment
for all electrical, electronic and related technologies
CLC/SR 96 |
Transformers, reactors, power supply units, and combinations thereof |

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Reference,Title
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Downloads
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Circulation date
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Closing date
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Voting / Comments
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IEC parallel vote
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EN 61558-1:2005/FprA1:2008 (pr=21319) Safety of power transformers, power supplies, reactors and similar products - Part 1: General requirements and tests |
2009-01-13 | Procedure Result | Yes | ||
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EN 61558-1:2005/prA1:2007 (pr=21319) Safety of power transformers, power supplies, reactors and similar products - Part 1: General requirements and tests |
2007-11-12 | Procedure Result | Yes | ||
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prEN 61558-2-1:2006 (pr=16878) Safety of power transformers, power supplies, reactors and similar products - Part 2-1: Particular requirements and tests for separating transformers and power supplies incorporating separating transformers for general applications |
2006-12-06 | Procedure Result | Yes | ||
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prEN 61558-2-2:2006 (pr=16872) Safety of power transformers, power supplies, reactors and similar products - Part 2-2: Particular requirements and tests for control transformers and power supplies incorporating control transformers |
2006-12-06 | Procedure Result | Yes | ||
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FprEN 61558-2-3:2008 (pr=21852) Safety of transformers, reactors, power supply units and combinations thereof - Part 2-3: Particular requirements and tests for ignition transformers for gas and oil burners |
2008-09-29 | Procedure Result | Yes | ||
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FprEN 61558-2-3:2010 (pr=21852) Safety of transformers, reactors, power supply units and combinations thereof - Part 2-3: Particular requirements and tests for ignition transformers for gas and oil burners |
Procedure Result | Yes | |||
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FprEN 61558-2-4:2008 (pr=21353) Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-4: Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers |
2009-01-19 | Procedure Result | Yes | ||
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prEN 61558-2-4:2007 (pr=21353) Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-4: Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers |
2007-11-26 | Procedure Result | Yes | ||
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FprEN 61558-2-5:2010 (pr=21853) Safety of transformers, reactors, power supply units and combinations thereof - Part 2-5: Particular requirements and tests for transformer for shavers, power supply units for shavers and shaver supply units |
Procedure Result | Yes | |||
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FprEN 61558-2-5:2008 (pr=21853) Safety of transformers, reactors, power supply units and combinations thereof - Part 2-5: Particular requirements and tests for transformer for shavers, power supply units for shavers and shaver supply units |
2008-09-29 | Procedure Result | Yes | ||
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FprEN 61558-2-6:2008 (pr=21354) 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 |
2009-01-19 | Procedure Result | Yes | ||
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prEN 61558-2-6:2007 (pr=21354) 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 |
2007-11-26 | Procedure Result | Yes | ||
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prEN 61558-2-7:2006 (pr=16885) Safety of power transformers, power supplies, reactors and similar products - Part 2-7: Particular requirements and tests for transformers and power supplies for toys |
2006-12-06 | Procedure Result | Yes | ||
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FprEN 61558-2-8:2009 (pr=22242) Safety of transformers, reactors, power supply units and combinations thereof - Part 2-8: Particular requirements and tests for transformers and power supply units for bells and chimes |
2009-07-20 | Procedure Result | Yes | ||
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FprEN 61558-2-8:2010 (pr=22242) Safety of transformers, reactors, power supply units and combinations thereof - Part 2-8: Particular requirements and tests for transformers and power supply units for bells and chimes |
Procedure Result | Yes | |||
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FprEN 61558-2-9:2010 (pr=21854) Safety of transformers, reactors, power supply units and combinations thereof - Part 2-9: Particular requirements and tests for transformers and power supply units for class III handlamps for tungsten filament lamps |
Procedure Result | Yes | |||
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FprEN 61558-2-9:2008 (pr=21854) Safety of transformers, reactors, power supply units and combinations thereof - Part 2-9: Particular requirements and tests for transformers and power supply units for class III handlamps for tungsten filament lamps |
2008-09-29 | Procedure Result | Yes | ||
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FprEN 61558-2-10:2012 (pr=24354) Safety of transformers, reactors, power supply units and combinations thereof - Part 2-10: Particular requirements and tests for separating transformers with high insulation level and separating transformers with output voltages exceeding 1000 V |
Procedure Result | Yes | |||
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FprEN 61558-2-12:2010 (pr=22079) Safety of transformers, reactors, power supply units and combinations thereof - Part 2-12: Particular requirements and tests for constant voltage transformers and power supply units for constant voltage |
Procedure Result | Yes | |||
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FprEN 61558-2-12:2008 (pr=22079) Safety of transformers, reactors, power supply units and combinations thereof - Part 2-12: Particular requirements and tests for constant voltage transformers and power supply units for constant voltage |
2009-03-24 | Procedure Result | Yes | ||
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FprEN 61558-2-13:2008 (pr=21355) Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-13: Particular requirements and tests for auto transformers and power supply units incorporating auto transformers |
2009-01-19 | Procedure Result | Yes | ||
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prEN 61558-2-13:2007 (pr=21355) Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-13: Particular requirements and tests for auto transformers and power supply units incorporating auto transformers |
2007-11-26 | Procedure Result | Yes | ||
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FprEN 61558-2-14:2012 (pr=23533) Safety of transformers, reactors, power supply units and combination thereof - Part 2-14: Particular requirements and tests for variable transformers and power supply units incorporating variable transformers |
Procedure Result | Yes | |||
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FprEN 61558-2-14:2011 (pr=23533) Safety of transformers, reactors, power supply units and combination thereof - Part 2-14: Particular requirements and tests for variable transformers and power supply units incorporating variable transformers |
Procedure Result | Yes | |||
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FprEN 61558-2-15:2010 (pr=23031) Safety of transformers, reactors, power supply units and combinations thereof - Part 2-15: Particular requirements and tests for isolating transformers for the supply of medical locations |
Procedure Result | Yes | |||
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FprEN 61558-2-15:2011 (pr=23031) Safety of transformers, reactors, power supply units and combinations thereof - Part 2-15: Particular requirements and tests for isolating transformers for the supply of medical locations |
Procedure Result | Yes | |||
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FprEN 61558-2-16:2009 (pr=21356) Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-16: Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply units |
2009-05-26 | Procedure Result | Yes | ||
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prEN 61558-2-16:2007 (pr=21356) Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-16: Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply units |
2007-11-26 | Procedure Result | Yes | ||
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EN 61558-2-16:2009/FprA1:2012 (pr=24208) Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-16: Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply units |
Procedure Result | Yes | |||
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FprEN 61558-2-20:2008 (pr=22078) Safety of transformers, reactors, power supply units and combinations thereof - Part 2-20: Particular requirements and tests for small reactors |
2009-03-24 | Procedure Result | Yes | ||
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FprEN 61558-2-20:2010 (pr=22078) Safety of transformers, reactors, power supply units and combinations thereof - Part 2-20: Particular requirements and tests for small reactors |
Procedure Result | Yes | |||
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FprEN 61558-2-23:2008 (pr=21930) Safety of transformers, reactors, power supply units and combinations thereof - Part 2-23: Particular requirements and tests for transformers and power supply units for construction sites |
2008-11-24 | Procedure Result | Yes | ||
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FprEN 61558-2-23:2010 (pr=21930) Safety of transformers, reactors, power supply units and combinations thereof - Part 2-23: Particular requirements and tests for transformers and power supply units for construction sites |
Procedure Result | Yes | |||
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FprEN 61558-2-26:2011 (pr=23532) Safety of transformers, reactors, power supply units and combinations thereof - Part 2-26: Particular requirements and tests for transformers and power supply units for saving energy and other purposes |
Procedure Result | Yes | |||
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FprEN 62041:2010 (pr=22377) Safety of transformers, reactors, power supply units and combinations thereof - EMC requirements |
Procedure Result | Yes | |||
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FprEN 62041:2009 (pr=22377) Safety of transformers, reactors, power supply units and combinations thereof - EMC requirements |
2009-09-14 | Procedure Result | Yes |
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Reference,Title
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Downloads
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Circulation date
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Closing date
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Type
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IEC parallel vote
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|---|---|---|---|---|---|
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FprEN 61558-2-26:2013 (pr=23532) Safety of transformers, reactors, power supply units and combinations thereof - Part 2-26: Particular requirements and tests for transformers and power supply units for saving energy and other purposes |
2012-10-26 | 2013-06-07 | Draft for 2 nd // FV on FDIS | Yes |
Reference,Title | Downloads |
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Definitive Text - EN 61558-2-9:2003 Safety of power transformers, power supply units and similar products - Part 2-9: Particular requirements for transformers for class III handlamps for tungsten filament lamps | |
Definitive Text - EN 61558-2-12:2001 Safety of power transformers, power supply units and similar devices - Part 2-12: Particular requirements for constant voltage transformers | |
Definitive Text - EN 61558-2-6:1997 Safety of power transformers, power supply units and similar - Part 2-6: Particular requirements for safety isolating transformers for general use | |
Definitive Text - EN 61558-1:2005 Safety of power transformers, power supplies, reactors and similar products - Part 1: General requirements and tests | |
Definitive Text - EN 61558-1:2005 Safety of power transformers, power supplies, reactors and similar products - Part 1: General requirements and tests | |
Definitive Text - EN 61558-1:2005 Safety of power transformers, power supplies, reactors and similar products - Part 1: General requirements and tests | |
Definitive Text - EN 61558-2-7:2007 Safety of power transformers, power supplies, reactors and similar products - Part 2-7: Particular requirements and tests for transformers and power supplies for toys | |
Definitive Text - EN 61558-2-7:2007 Safety of power transformers, power supplies, reactors and similar products - Part 2-7: Particular requirements and tests for transformers and power supplies for toys | |
Definitive Text - EN 61558-2-7:2007 Safety of power transformers, power supplies, reactors and similar products - Part 2-7: Particular requirements and tests for transformers and power supplies for toys | |
Definitive Text - EN 61558-2-1:2007 Safety of power transformers, power supplies, reactors and similar products - Part 2-1: Particular requirements and tests for separating transformers and power supplies incorporating separating transformers for general applications | |
Definitive Text - EN 61558-2-1:2007 Safety of power transformers, power supplies, reactors and similar products - Part 2-1: Particular requirements and tests for separating transformers and power supplies incorporating separating transformers for general applications | |
Definitive Text - EN 61558-2-1:2007 Safety of power transformers, power supplies, reactors and similar products - Part 2-1: Particular requirements and tests for separating transformers and power supplies incorporating separating transformers for general applications | |
Definitive Text - EN 61558-1:1997 Safety of power transformers, power supply units and similar - Part 1: General requirements and tests | |
Definitive Text - EN 61558-2-2:2007 Safety of power transformers, power supplies, reactors and similar products - Part 2-2: Particular requirements and tests for control transformers and power supplies incorporating control transformers | |
Definitive Text - EN 61558-2-2:2007 Safety of power transformers, power supplies, reactors and similar products - Part 2-2: Particular requirements and tests for control transformers and power supplies incorporating control transformers | |
Definitive Text - EN 61558-2-2:2007 Safety of power transformers, power supplies, reactors and similar products - Part 2-2: Particular requirements and tests for control transformers and power supplies incorporating control transformers | |
Definitive Text - EN 61558-1:1997/A1:1998 Safety of power transformers, power supply units and similar - Part 1: General requirements and tests | |
Definitive Text - EN 61558-2-1:1997 Safety of power transformers, power supply units and similar - Part 2-1: Particular requirements for separating transformers for general use | |
Definitive Text - EN 61558-2-4:1997 Safety of power transformers, power supply units and similar - Part 2-4: Particular requirements for isolating transformers for general use | |
Definitive Text - EN 61558-2-7:1997 Safety of power transformers, power supply units and similar - Part 2-7: Particular requirements for transformers for toys | |
Definitive Text - EN 61558-2-2:1998 Safety of power transformers, power supply units and similar - Part 2-2: Particular requirements for control transformers | |
Definitive Text - EN 61558-1:1997/A11:2003 Safety of power transformers, power supply units and similar - Part 1: General requirements and tests | |
Definitive Text - EN 61558-2-20:2000 Safety of power transformers, power supply units and similar devices - Part 2-20: Particular requirements for small reactors | |
Definitive Text - EN 61558-2-7:1997/A11:2002 Safety of power transformers, power supply units and similar - Part 2-7: Particular requirements for transformers for toys | |
Definitive Text - EN 61558-2-13:2000 Safety of power transformers, power supply units and similar devices - Part 2-13: Particular requirements for auto-transformers for general use | |
Definitive Text - EN 61558-1:2005/A1:2009 Safety of power transformers, power supplies, reactors and similar products - Part 1: General requirements and tests | |
Definitive Text - EN 61558-1:2005/A1:2009 Safety of power transformers, power supplies, reactors and similar products - Part 1: General requirements and tests | |
Definitive Text - EN 61558-1:2005/A1:2009 Safety of power transformers, power supplies, reactors and similar products - Part 1: General requirements and tests | |
Definitive Text - EN 61558-2-13:2009 Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-13: Particular requirements and tests for auto transformers and power supply units incorporating auto transformers | |
Definitive Text - EN 61558-2-13:2009 Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-13: Particular requirements and tests for auto transformers and power supply units incorporating auto transformers | |
Definitive Text - EN 61558-2-13:2009 Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-13: Particular requirements and tests for auto transformers and power supply units incorporating auto transformers | |
Definitive Text - EN 61558-2-4:2009 Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-4: Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers | |
Definitive Text - EN 61558-2-4:2009 Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-4: Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers | |
Definitive Text - EN 61558-2-4:2009 Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-4: Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers | |
Definitive Text - 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 | |
Definitive Text - 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 | |
Definitive Text - 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 | |
Definitive Text - EN 61558-2-17:1997 Safety of power transformers, power supply units and similar - Part 2-17: Particular requirements for transformers for switch mode power supplies | |
Definitive Text - EN 61558-2-5:2010 Safety of transformers, reactors, power supply units and combinations thereof - Part 2-5: Particular requirements and tests for transformer for shavers, power supply units for shavers and shaver supply units | |
Definitive Text - EN 61558-2-5:2010 Safety of transformers, reactors, power supply units and combinations thereof - Part 2-5: Particular requirements and tests for transformer for shavers, power supply units for shavers and shaver supply units | |
Definitive Text - EN 61558-2-5:2010 Safety of transformers, reactors, power supply units and combinations thereof - Part 2-5: Particular requirements and tests for transformer for shavers, power supply units for shavers and shaver supply units | |
Definitive Text - EN 61558-2-5:1998 Safety of power transformers, power supply units and similar - Part 2-5: Particular requirements for shaver transformers and shaver supply units | |
Definitive Text - EN 61558-2-5:1998/A11:2004 Safety of power transformers, power supply units and similar - Part 2-5: Particular requirements for shaver transformers and shaver supply units | |
Definitive Text - EN 61558-2-16:2009 Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-16: Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply units | |
Definitive Text - EN 61558-2-16:2009 Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-16: Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply units | |
Definitive Text - EN 61558-2-16:2009 Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-16: Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply units | |
Definitive Text - EN 61558-2-23:2010 Safety of transformers, reactors, power supply units and combinations thereof - Part 2-23: Particular requirements and tests for transformers and power supply units for construction sites | |
Definitive Text - EN 61558-2-23:2010 Safety of transformers, reactors, power supply units and combinations thereof - Part 2-23: Particular requirements and tests for transformers and power supply units for construction sites | |
Definitive Text - EN 61558-2-23:2010 Safety of transformers, reactors, power supply units and combinations thereof - Part 2-23: Particular requirements and tests for transformers and power supply units for construction sites | |
Definitive Text - EN 61558-2-23:2000 Safety of power transformers, power supply units and similar devices - Part 2-23: Particular requirements for transformers for construction sites | |
Definitive Text - EN 61558-2-15:2001/corrigendum Sep. 2003 Safety of power transformers, power supply units and similar - Part 2-15: Particular requirements for isolating transformers for the supply of medical locations | |
Definitive Text - EN 61558-2-15:2001/corrigendum Sep. 2003 Safety of power transformers, power supply units and similar - Part 2-15: Particular requirements for isolating transformers for the supply of medical locations | |
Definitive Text - EN 61558-2-15:2001/corrigendum Sep. 2003 Safety of power transformers, power supply units and similar - Part 2-15: Particular requirements for isolating transformers for the supply of medical locations | |
Definitive Text - EN 61558-2-8:2010 Safety of transformers, reactors, power supply units and combinations thereof - Part 2-8: Particular requirements and tests for transformers and power supply units for bells and chimes | |
Definitive Text - EN 61558-2-8:2010 Safety of transformers, reactors, power supply units and combinations thereof - Part 2-8: Particular requirements and tests for transformers and power supply units for bells and chimes | |
Definitive Text - EN 61558-2-8:2010 Safety of transformers, reactors, power supply units and combinations thereof - Part 2-8: Particular requirements and tests for transformers and power supply units for bells and chimes | |
Definitive Text - EN 61558-2-8:1998 Safety of power transformers, power supply units and similar - Part 2-8: Particular requirements for bell and chime transformers | |
Definitive Text - EN 61558-2-3:2000 Safety of power transformers, power supply units and similar devices - Part 2-3: Particular requirements for ignition transformers for gas and oil burners | |
Definitive Text - EN 61558-2-12:2011 Safety of transformers, reactors, power supply units and combinations thereof - Part 2-12: Particular requirements and tests for constant voltage transformers and power supply units for constant voltage | |
Definitive Text - EN 61558-2-12:2011 Safety of transformers, reactors, power supply units and combinations thereof - Part 2-12: Particular requirements and tests for constant voltage transformers and power supply units for constant voltage | |
Definitive Text - EN 61558-2-12:2011 Safety of transformers, reactors, power supply units and combinations thereof - Part 2-12: Particular requirements and tests for constant voltage transformers and power supply units for constant voltage | |
Definitive Text - EN 61558-2-20:2011 Safety of transformers, reactors, power supply units and combinations thereof - Part 2-20: Particular requirements and tests for small reactors | |
Definitive Text - EN 61558-2-20:2011 Safety of transformers, reactors, power supply units and combinations thereof - Part 2-20: Particular requirements and tests for small reactors | |
Definitive Text - EN 61558-2-20:2011 Safety of transformers, reactors, power supply units and combinations thereof - Part 2-20: Particular requirements and tests for small reactors | |
Definitive Text - EN 61558-2-3:2010 Safety of transformers, reactors, power supply units and combinations thereof - Part 2-3: Particular requirements and tests for ignition transformers for gas and oil burners | |
Definitive Text - EN 61558-2-3:2010 Safety of transformers, reactors, power supply units and combinations thereof - Part 2-3: Particular requirements and tests for ignition transformers for gas and oil burners | |
Definitive Text - EN 61558-2-3:2010 Safety of transformers, reactors, power supply units and combinations thereof - Part 2-3: Particular requirements and tests for ignition transformers for gas and oil burners | |
Definitive Text - EN 62041:2010 Safety of transformers, reactors, power supply units and combinations thereof - EMC requirements | |
Definitive Text - EN 62041:2003 Power transformers, power supply units, reactors and similar products - EMC requirements | |
Definitive Text - EN 61558-1:2005/corrigendum Aug. 2006 Safety of power transformers, power supplies, reactors and similar products - Part 1: General requirements and tests | |
Definitive Text - EN 61558-1:2005/corrigendum Aug. 2006 Safety of power transformers, power supplies, reactors and similar products - Part 1: General requirements and tests | |
Definitive Text - EN 61558-1:2005/corrigendum Aug. 2006 Safety of power transformers, power supplies, reactors and similar products - Part 1: General requirements and tests | |
Definitive Text - EN 62041:2010 Safety of transformers, reactors, power supply units and combinations thereof - EMC requirements | |
Definitive Text - EN 62041:2010 Safety of transformers, reactors, power supply units and combinations thereof - EMC requirements | |
Definitive Text - EN 61558-2-9:2011 Safety of transformers, reactors, power supply units and combinations thereof - Part 2-9: Particular requirements and tests for transformers and power supply units for class III handlamps for tungsten filament lamps | |
Definitive Text - EN 61558-2-9:2011 Safety of transformers, reactors, power supply units and combinations thereof - Part 2-9: Particular requirements and tests for transformers and power supply units for class III handlamps for tungsten filament lamps | |
Definitive Text - EN 61558-2-9:2011 Safety of transformers, reactors, power supply units and combinations thereof - Part 2-9: Particular requirements and tests for transformers and power supply units for class III handlamps for tungsten filament lamps | |
Definitive Text - EN 61558-2-15:2001/corrigendum Apr. 2004 Safety of power transformers, power supply units and similar - Part 2-15: Particular requirements for isolating transformers for the supply of medical locations | |
Definitive Text - EN 61558-2-15:2001/corrigendum Apr. 2004 Safety of power transformers, power supply units and similar - Part 2-15: Particular requirements for isolating transformers for the supply of medical locations | |
Definitive Text - EN 61558-2-15:2012 Safety of transformers, reactors, power supply units and combinations thereof - Part 2-15: Particular requirements and tests for isolating transformers for the supply of medical locations | |
Definitive Text - EN 61558-2-15:2012 Safety of transformers, reactors, power supply units and combinations thereof - Part 2-15: Particular requirements and tests for isolating transformers for the supply of medical locations | |
Definitive Text - EN 61558-2-15:2012 Safety of transformers, reactors, power supply units and combinations thereof - Part 2-15: Particular requirements and tests for isolating transformers for the supply of medical locations | |
Definitive Text - EN 61558-2-15:2001 Safety of power transformers, power supply units and similar - Part 2-15: Particular requirements for isolating transformers for the supply of medical locations | |
Definitive Text - EN 61558-2-15:2001/corrigendum Apr. 2004 Safety of power transformers, power supply units and similar - Part 2-15: Particular requirements for isolating transformers for the supply of medical locations | |
Definitive Text - EN 61558-2-14:2013 Safety of transformers, reactors, power supply units and combination thereof - Part 2-14: Particular requirements and tests for variable transformers and power supply units incorporating variable transformers | |
Definitive Text - EN 61558-2-14:2013 Safety of transformers, reactors, power supply units and combination thereof - Part 2-14: Particular requirements and tests for variable transformers and power supply units incorporating variable transformers |
