IEC-61558-2-4 Complete Document History
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

Complete Current Edition:
   EDITION 3.0 - Part 2-4: Particular requirements and tests for isolating transformers and power supply - May 1, 2021

Obsolete Revision Information:
   EDITION 2.0 - UNITS INCORPORATING ISOLATING TRANSFORMERS, SAFETY OF TRANSF - Feb. 1, 2009
   1ST EDITION - SAFETY OF POWER TRANSFORMERS, - Feb. 1, 1997