... SUPPLY:Installed with EMIfilter,minimum wave D-50 SERIES POWER SUPPLY,SWITCH POWER SUPPLY ModelSpecification D-50A D-50B CH1 CH2 CH1 CH2DC ... .5% +/-5% +/-0.5% +/-8%DC output power 54W 54WEfficiency 73% 73%Adjustable range for DC voltageCH1+10,-5% CH1+10,-5 ... .5Load stability test:The load is from 0%to 100% D-50 SERIES POWER SUPPLY,SWITCH POWER SUPPLY