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PR NF C52-558-2-5 ; PR NF EN IEC 61558-2-5
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-5: Particular requirements and test for transformer for shavers, power supply units for shavers and shaver supply units
PR NF C52-558-2-6 ; PR NF EN IEC 61558-2-6
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
PR NF C52-558-2-7 ; PR NF EN IEC 61558-2-7
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-7 : particular requirements and tests for transformers and power supply units for toys
PR NF C52-558-2-9 ; PR NF EN IEC 61558-2-9
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
PR NF C52-558-2-13 ; PR NF EN IEC 61558-2-13
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-13: Particular requirements and tests for auto transformers and power supply units incorporating auto transformers for general applications
PR NF C52-558-2-16 ; PR NF EN IEC 61558-2-16
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
PR NF C52-558-2-20 ; PR NF EN IEC 61558-2-20
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-20: Particular requirements and tests for small reactors
PR NF C52-708-3-3 ; PR NF EN 50708-3-3
Power transformers - Additional European requirements - Part 3-3 : large power transformer - Accessories
13/30256030 DC
BS IEC 62695. Railway applications. Fixed installations Traction transformers
Edition
2013-04-22
15/30320260 DC
BS EN 60076-7. Power transformers. Part 7. Loading guide for liquid-immersed power transformers
Edition
2015-01-28