IEC 61558-2-9 : 2.0
IEC 61558-2-9 : 2.0
SAFETY OF TRANSFORMERS, REACTORS, POWER SUPPLY UNITS AND COMBINATIONS THEREOF - PART 2-9: PARTICULAR REQUIREMENTS AND TESTS FOR TRANSFORMERS AND POWER SUPPLY UNITS FOR CLASS 3 HANDLAMPS FOR TUNGSTEN FILAMENT LAMPS
International Electrotechnical Committee