Lamp controlgear—Part 3:Particular requirements for d.c.or a.c. supplied electronic step-down convertors for filament lamps
IDT IEC 61347-2-2:2006
全国照明电器标准化技术委员会(SAC/TC 224)
GB 19510的本部分规定了IEC 60357所述卤钨灯和其他钨丝灯用电子降压转换器的特殊要求，这种电子降压转换器使用250 V以下的直流电源或1 000 V以下的50 Hz/60 Hz的1 000 V以下的交流电源，其在导线之间或任一导线与地线之间所产生的额定输出电压≤50 V（有效值，频率不同于电源频率）或≤502 V（脉动直流电源）。
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