Model:PSH系列（开关式）(PSH-2018A，PSH-3610A，PSH-3620A，PSH-3630A)

Brand:固纬Gwinstek

Introduction:Wide input voltage range and high power factor (P.F) High efficiency and high power density high constant voltage and current operation overvoltage protection, overcurrent protection and overtemperature protection Low output ripple and noise Optional interface: IEEE-488.2 Standard interface: The RS-232C output ON/OFF control self-tests and software corrects the LCD disy with a built-in buzzer as a warning indication