DS DS/EN 60928/A1
DS DSEN 60928A1 1999-DEC-23 Auxlares for lamps - AC suppled electronc ballasts for tubular fluorescent lamps - General and safety requrements
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Specifies general and safety requirements for electronic ballasts for use on a.c. supplies up to 1000 V at 50 Hz or 60 Hz with operating frequencies deviating from the supply frequency, associated with tubular fluorescent lamps as specified in IEC 60081 and other tubular fluorescent lamps for high-frequency operation.