Notes on choosing a switching power supply? 1. To increase the reliability of the power supply, we suggest users choose a unit that has a rating of 30% more power than actual […]
Do I need to derate my power supply when I used it over 2000m? Yes, for power supplies certified >2000m please read the “note” in the spec. In general, for unpotted models, a derating of 5°C/1000m has to be […]
What should be noticed when installing a power supply in vertical and horizontal directions? Most small wattage and fanless power supplies are mainly installed in the horizontal position. If you have to install it vertically because of mechanical limitation, […]
How to read a derating curve? In MEAN WELL’s specification you can find 2 derating curves, in below example the 300W open frame power supply: EPP-300