PS-303DM+ DC Power Supply 1.*(30V,1mA to 3 A), linear power supply,30V,3A 2.*Low Ripple and Noise 3.*Ideal for Education ... and PS-303DM+ DC Power Supply ... (30V,1mA to 3 A), liner power supply,30V,3ALight and Compact DesignCV/CC OperationIdeal ...