DS DS/EN 60922
DS DSEN 60922 1997-AUG-14 Auxlares for lamps - Ballasts for dscharge lamps excludng tubular fluorescent lamps - General and safety requrements Replaced by DS DSEN 61347-2-9Corr Dec 2010
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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 1 specifies general requirements and section 2 specifies thermal and mechanical requirements.