Povezava na standarde
Revidiran
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SIST EN 61558-2-4:1999 - Safety of power transformers, power supply units and similar - Part 2-4: Particular requirements for isolating transformers for general use (IEC 61558-2-4:1997)
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06-Mar-2012
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Nadomešča
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SIST EN 61558-2-4:1999 - Safety of power transformers, power supply units and similar - Part 2-4: Particular requirements for isolating transformers for general use (IEC 61558-2-4:1997)
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01-Jan-2010
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Nadomešča
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SIST EN 61558-2-4:1999 - Safety of power transformers, power supply units and similar - Part 2-4: Particular requirements for isolating transformers for general use (IEC 61558-2-4:1997)
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07-Jun-2022
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Revidiran
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SIST EN IEC 61558-2-4:2022 - Varnost transformatorjev, dušilk, napajalnikov in kombinacij teh - 2-4. del: Posebne zahteve in preskusi za ločilne transformatorje in napajalnike z ločilnimi transformatorji
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16-Jul-2019
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