... ,SWITCH POWER SUPPLY:Installed with EMIfilter,minimum wave D-120 SERIES POWER SUPPLY,SWITCH POWER SUPPLY ModelSpecification D-120A D-120B ... %Load stability(Note:5) +/-0.5% +/-5% +/-0.5% +/-6%DC output power 120W 126WEfficiency 78% 80%Adjustable range for ... DC voltageCH1+10,-5% CH1+10,-5%AC input voltage range88~ ...