... ,LED display,communication industry,instrument and meters industry. The switch power supply produced is of high quality,consistent performance,highly reliable and ... 10%AC input voltage range85~132VAC/170~264VAC Selected by switch 47~63Hz,240~370VDCAC input voltage rangeCold-start current ... UL60950,EN60950EMC standardsDesign refer to GB9254,EN55022 classBWeight1.8kg 500W Switching Power Supply