Cisco PWR-C2-1025WAC Catalyst 3650 AC Power Supply 1025W, 775W is available PoE Power; Input: 115-240V AC (autoranging), 50-60Hz, Input current: 12–6 A; Output: +12V @ 20.83A, –54V@14.6A; Supports Secondary Power Supply .
The switch operates with either one or two active power supply modules. You can use two AC modules, or one module and a blank cover.