AS/NZS 61558.2.6:2022 deals with the safety of safety isolating transformers for general applications and power supply units incorporating safety isolating transformers for general applications. Transformers incorporating electronic circuits are also covered by this document. This Standard will supersede AS/NZS 61558.2.6:2009 three years from the date of publication (i.e. on 24 June 2025). During this period AS/NZS 61558.2.6:2009 will also remain current. Regulatory authorities that reference this Standard in regulation may apply these requirements at a different time. Users of this Standard should consult with these authorities to confirm their requirements.