
Ballast for Tubular Fluorescent Lamps - General and Safety Requirements
出版:National Standards Authority of Ireland

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Applies to ballasts, excluding resistance types, for use on a.c. supplies up to 1000 V at 50 Hz or 60 Hz, associated with tubular fluorescent lamps with or without pre-heated cathodes operated with or without a starter or starting device and having rated wattages, dimensions and characteristics as specified in IEC Publication 81. Applies to complete ballasts and to their component parts e.g. reactors, transformers and capacitors. Particular requirements for thermally protected ballasts are included. Ballasts for conventional operation of lamps at mains frequency are covered.
DIN EN 60920 (1993-04) - Identical
SN EN 60920:1991 - Identical
SS EN 60920:1991 - Identical
SN EN 60920 : 1991 AMD 11 2000 - Identical
BS EN 60920 : 1991 - Identical
EN 60920 : 91 AMD 11 2000 - Identical
UNE EN 60920 : 1994 A11 2000 - Identical
DIN EN 60920 : 1993 AMD 11 - Identical
NF EN 60920 : 92 AMD 11 2001 - Identical
DIN EN 60920 : 1993 AMD 11 - Identical
BS EN 60920 : 1991 - Identical
BS EN 60920:1991 - Identical
NF EN 60920:1992 - Identical
UNE EN 60920:1994 - Identical