... fixed type:voltage 12V,24V current 1A,2A,3A .....up to 50A HB17...G series regular output DC stabilization power ... and stabilization current automatic change model high precision DC stabilization power supply; displayed by the voltage and ... noise: CV≤1mVrms, CC≤5mArms Output voltage: 12V or 24VWorking time: uninterrupted for a long time ... 0±40°C Relative humidity: ≤90% DC Power Supply fixed type 12V,24V