dc regulated power supply 1.0-30V/3A dual variable ... .independent,seires¶llel working mode 4.CE has DC Regulated Power Supply,model MCH-303D-II, 0-30V/0 ... VariableCurrent, Load Stability≤0.2%+3mARipple & Noise≤3mArmsWorking ConditionLine Power Supply220V±10% 50/60Hz (Alterable if needed :110± ... are subject to change without prior notice. MCH dc regulated power supply,0-30V/0-3A dual variable output, ...