AS/NZS 61558.2.4:2009

Deals with the safety of isolating transformers for general applications and power supply units incorporating isolating transformers for general applications. Transformers incorporating electronic circuits are also covered by this standard. This Standard is an adoption with national modifications of the second edition of IEC 61558-2-4:2009, Safety of Power Transformers, Power Supplies, Reactors and Similar Products - Part 2-4: Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers. There are no national variations from the IEC Standard from which This Standard is adopted, other than those listed in Annex ZZ to AS/NZS 61558.1.

AS 3108 first published in Australia in part as AS C126-1939.
Second edition 1958.
AS C167 first published 1962.
Revised and redesignated AS 3167-1981 (withdrawn 1987).
AS C126-1958 revised and redesignated AS 3126-1981 (withdrawn 1989).
AS 3126-1981 and AS 3167-1981 were revised and redesignated AS 3108.1-1984, AS 3108.2-1984 and AS 3108.3-1984.
Revised, amalgamated and redesignated AS 3108-1990.
First published in New Zealand as NZS/AS 3108:1990.
Jointly revised and designated as Joint Standard AS/NZS 3108:1994.
Jointly revised and redesignated in part as AS/NZS 61558.2.4:2001.
Jointly revised and redesignated as AS/NZS 61558.2.4:2009.
Reconfirmed 2020. Originated, in part, in Australia as AS C126 1939. Second edition C126 1958. Revised and redesignated AS 3126 1981 (withdrawn 1989). Originated, in part, in Australia as AS C167 1962. Revised and redesignated AS 3167 1981 (withdrawn 1987). AS 3126 1981 and AS 3167 1981 were revised and redesignated AS 3108.1 1984, AS 3108.2 1984 and AS 3108.3 1984. Revised, amalgamated and redesignated AS 3108 1990. Originated in New Zealand as NZS 1379:1960. Final New Zealand edition NZS/AS 3108:1990. Jointly revised and redesignated AS/NZS 3108:1994. Jointly revised and redesignated, in part, as AS/NZS 61558.2.4:2001. Jointly revised and redesignated as AS/NZS 61558.2.4:2009.