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16/30337130 DC
BS EN 60076-57-15. Power transformers. Part 57-15. Standard requirements, terminology, and test code for step-voltage regulators
Edition
2016-10-19
17/30347315 DC
BS EN 61869-1. Instrument transformers. Part 1. General requirements
Edition
2017-07-18
17/30352666 DC
BS EN 61869-220. Instrument transformers. Part 220. Safety requirements for Instrument Transformers for low voltage applications
Edition
2017-02-28
18/30352700 DC
BS EN 61857-41. Electrical insulation systems. Procedures for thermal evaluation. Part 41. Specific requirements for electrical insulation systems for use in dry-type high-voltage transformers with operating voltages of 1kV and above
Edition
2018-05-30
18/30388396 DC
BS EN 61869-220 Ed1.0. Instrument transformers. Part 220. Safety requirements for Instrument Transformers for low voltage applications
Edition
2018-12-07
19/30393231 DC
BS EN 61869-1. Instrument transformers. Part 1. General requirements
Edition
2019-03-13
19/30398809 DC
BS EN IEC 61558-2-1. Safety of transformers, reactors, power supply units and combinations thereof. Part 2-1. Particular requirements and tests for separating transformers and power supplies incorporating separating transformers for general applications
Edition
2019-08-29
19/30398813 DC
BS EN IEC 61558-2-4. Safety of transformers, reactors, power supply units and combinations thereof. Part 2-4. Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers for general applications
Edition
2019-08-29
19/30398817 DC
BS EN IEC 61558-2-6. Safety of transformers, reactors, power supply units and combinations thereof. Part 2-6. Particular requirements and tests for safety isolating transformers and power supply units incorporating safety isolating transformers for general applications
Edition
2019-08-29
19/30398821 DC
BS 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 for general applications
Edition
2019-08-29