... distortion, low price etc.It can convert the 48V DC power to the pure sine wave AC power for 220V ... industry, which is apply to the 48V (or-48V) DC power (DC-screen) program-controlled switches, computer rooms, network, billing servers ... close automaticallyInput UndervoltageDc<40±1V, device will close automaticallyInput OvervoltageDc>60±1V, device will close automatically 500~1000W Power inverter ...