Fanuc A16B-1212-0840 Power Supply Unit for the Fanuc control 16-A/18-A System Series. DNC offer several services for the C1 Series power supplies, including exchange, fault testing on our 16A and 18A control Systems. As well as offering our standard 24 hour repair service, and if required urgent same day repairs. If stocks allow outright sale of the A16B12120840. Warranty is 180 days on exchange and repair.