We are needing pure sin wave inverter board with the following specs. 5KW 110v AC 3 phase to 110v AC single phase. pure sin wave and also 5KW 220v AC 3 phase to 220v AC single phase. pure sin wave. Please let me know if you can help me.AC 3 phase to 220v AC single phase. pure sin wave. Please let me know if you can help me.Show More