WPS3010B DC Power Supply USB Powered Adjustable Programmable Switching Power Supply for Laboratory 10A 30V 300WUK Plug 230V Item Type: DC power supply Material: Sheet Metal+ABS Output Current: 0A~10A Output Power: 300W Model WPS3010B Output voltage 0-nominal value voltage continuously adjustable Output current 0-nominal value current continuously adjustable Output power voltage V*current A Auxiliary function Output output, OCP short circuit protection, USB fast charge interface Input voltage AC115V±10%, AC230V±10%, and the input AC voltage can be switched. Working temperature 0℃~40℃; relative humidity: <80%RH Storage temperature -10℃~70℃; relative humidity: <70%RH Constant voltage state Voltage stability <0.5%+3mV Load stability<0.5%+3mV Wave noise<0.5%V P-P Constant current state current stability <0.5%+3mA Negative stability<0.5%+3mA Wave noise<0.5%A P-P Protection mode Over voltage protection, over current protection, over temperature protection, short circuit protection Display 4 digit digital tube, three groups of display for voltage, current and power Display accuracy 0.5%+5 Display resolution Voltage: 0.01V, current: 0.001A (when greater than 100V: 0.1v, when greater than 10A: 0.01A)