AS/NZS 61558.2.9:2025

AS/NZS 61558.2.9:2025 deals with the safety of transformers for class III handlamps and power supply units incorporating transformers for class III handlamps.

This Standard will supersede AS/NZS 61558.2.9:2011 three years from the date of publication (i.e. on 27 June 2028). During this period, it is anticipated that regulatory authorities will approve transformers and power supply units for class III handlamps for tungsten filament lamps to either standard. For transformers and power supply units for class III handlamps, excluding tungsten filament lamps, this standard is applicable from the date of publication.

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Revised and redesignated AS 3126-1981 (withdrawn 1989).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Revised and redesignated AS 3167-1981 (withdrawn 1987).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.
First published in New Zealand as NZS/AS 3108:1990.
Jointly revised and redesignated AS/NZS 3108:1994.
Jointly revised and redesignated, in part, as AS/NZS 61558.2.9:2003.
Second edition AS/NZS 61558.2.9:2011.
Jointly revised and redesignated as AS/NZS 61558.2.9:2025.