Power:110v-220v AC
the rest work is simple,just do some connection work
it need two dc 12v for the Logic circuit on the board,one for the drive board and one for the Arc extinguishing plate,and the Ac power(110v or 220v) is for power drive
ok you already finish all the connection,and For details on how to use the arc extinguishing board, please refer to the above article about the board.