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Safety of Transforemers, Reactors, Power supply units and combination thereof - Part 2-12: Particular requirements and tests for control voltage transformers and power supply units for constant voltage
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Safety of power transformers, power supply units and similar devices - Part 2 - 13:Particular requirements for auto - transformers for general use
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Safety of power transformers, power supply units and similar - Part 2 - 15:Particular requirements for isolating transformers for the supply of medical locations
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Safety of transformers, reactors, power supply units and combinations thereof - Part 2-16: Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply units for general applications
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Safety of power transformers, power supply units and similar devices - Part 2 - 20:Particular requirements for small reactors
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Safety of power transformers, power supply units and similar devices - Part 2 - 23:Particular requirements for transformers for construction sites
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Magnetic oxide EP-cores and associated parts for use in inductors and transformers - Dimensions
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Fixed inductors for use in electronic and telecommunication equipment - Marking codes
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Corrugated pressboard and presspaper for electrical purposes - Part 1:Definition, designations and general requirements
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Corrugated pressboard and presspaper for electrical purposes - Part 2:Methods of test
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Aramid pressboard for electrical purposes - Part 1: Definitions, designations and general requirements
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Aramid pressboard for electrical purposes - Part 2:Methods of tests
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Test method for the mechanical strength of cores made of magnetic oxides
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Direct connection between power transformers and gas-insulated metal-enclosed switchgear for rated voltages of 72.5 kV and above
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Industrial a.c. networks affected by harmonics - Application of filters and shunt capacitors
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Low-voltage surge protective devices - Part 11:Surge protective devices connected to low-voltage power systems - Requirements and test methods
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Low-voltage surge protective devices - Part 12: Surge protective devices connected to low-voltage power systems - Selection and application principles
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Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
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Low-voltage surge protective devices - Part 22:Surge protective devices connected to telecommunications and signalling networks - Selection and application principles
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Low-voltage surge protective devices - Part 31: Requirements and test methods for SPDs for photovoltaic installations
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