Fanuc A06B-6081-H C Alpha Power Supply Module. DNC offer comprehesive services for the 6081 Series of alpha PSM-R modules for the 200V Alpha drive series including alpha power module exchange, repair, used surplus spares, fault diagnosis and testing facilities. 180 day warranty exists on repairs and supplied exchange parts, also transistor modules. For the A06B-6081 Alpha Power Supply Modules hat are not in stock, or drives that not required urgently, DNC offer a 24 hour repair turnaround service as standard on A06B-6081- though if Alpha power drives are urgent then same day is possible with enough advanced notice.