The AN97H series frequency conversion power supply adopts digital technology and IGBT intelligent output, pure output wave, with excellent technical performance. The power supply has an anti-shock circuit, suitable for various shock loads such as motors and air conditioners; excellent dynamic characteristics, strong load adaptation, high efficiency, simple operation, cost-efficient, suitable for industries such as export electrical appliances plants, laboratories, defense. Features: Over shock capacity: impact load of 1/3 capacity of power supply directly without soft start.; Adjustable voltage and frequency during output status; Measurement: voltage, current, frequency, active power; Level of voltage: 1.0~150.0V, 150.1~300.0V automatically adjusted or locked to 1.0~300.0V; Line voltage drop compensation Shortcuts groups, power-off memory, shortcuts key; Lock key, user-friendly design to prevent mis-operation; HD VFD display; Standard RS232 port, optional RS485 port or remote control port.