Safety of power transformers, power supply units and similar devices - Part 2-13: Particular requirements for auto-transformers for general use— 25 стр.
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— 29 стр.
Safety of transformers, reactors, power supply units and combinations thereof. Particular requirements and tests for transformers and power supply units for saving energy and other purposes— 26 стр.
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— 37 стр.