... 5%± 0.5%± 0.5%± 0.5%± 0.5%Load stability(Note5)± 0.5%± 0.5%± 0.5%± 0.5%± 0.5%DC output power387W396W400W400W400WEfficiency78%83%85%85.5%86%Adjustable range ... standardsUL1950, TUV EN60950EMC standardsEN55022, EN1000-4, 2, 3, 4, 5, 6, 8, 11 IEC100-3-2Note: 1. The testing condition ... include the setting error, line stability and load stability. (Note: 5)3. Wave test: adopting“ A12” double wire for 20MHz, ...