Fanuc A20B-0008-0010 Power Supply Unit Board for the Fanuc Series 3, 3M, 3T control system series. The psu pcb's are not available independently from the power supplies that they are part off. In this case DNC no longer any services on the Power supply unit that this board is from, but do offer a replacement namely the DNC B001/T - which replaces the A14B-0067-B001.