Fanuc A20B-0007-0330 Power Supply Unit Board for the Fanuc Series 6, 6M, 6T control system series. The power supply boards are not available independently from the power supplies that they are part off. In this case DNC offer full services, inclusive of service exchange, full testing and fault hunting, repair and rebuild and if stock permits outright surplus. alternatively if required DNC offer a replacement for the A14B-0061-B001 namely the DNC B001.