This standard specifies safety requirements for ballasts for discharge lamps such as high-pressure mercury vapour, low-pressure sodium vapour, high-pressure sodium vapour and metal halide lamps. Section One specifies general requirements and Section Two specifies thermal and mecha-nical requirements. The standard covers inductive-type ballasts for use on a.c. supplies up to 1 000 V at 50 Hz or 60 Hz associated with discharge lamps, having rated wattages, dimensions and characteristics as specified in the relevant IEC lamp standards according to IEC Publications 188, 192 and 662.
Tests in this standard are type tests. Requirements for testing individual ballasts during produc-tion are not included.
Notes 1. — For certain types of discharge lamp an ignitor is required.
2. — Ballasts for tubular fluorescera discharge lamps are covered by I EC Publication 920.
SIS SS-EN 60 922-1991 history
1991SIS SS-EN 60 922-1991 Ballasts for discharge lamps (excludingtubularfluorescentlamps) - General and safety requirements