This Standard specifies Minimum Energy Performance Standards (MEPS) requirements for magnetic isolating transformers and electronic step-down convertors with the following characteristics:

(a) For use with extra-low voltage (ELV).

(b) Mains supply input.

(c) Single a.c or d.c ELV output (up to 50 V).

(d) Rated load up to and including 500 VA.

Units covered by this Standard are referred to as ELV lighting converters (ELCs) throughout the document.

This Standard is to be read in conjunction with AS/NZS 4879.1.

This Standard does not cover safety requirements that are covered separately in AS/NZS 61347.1 and AS/NZS 61347.2.2.