DRAFT: Cisco Confidential
7
Cisco UCS C220 M4 NEBS Server Service Note
Power Supply Specifications
1050 W DC Power Supply Specifications
Table 3 lists the specifications for each 1050 W DC power supply (Cisco PID
UCSC-PSU2V2-1050DC=).
Table 3 1050 W DC Power Supply Specifications
Description Specification
DC input voltage range Nominal range: –48 to –60 VDC nominal
(Range: –40 to –72 VDC)
Maximum DC input current 32 A at –40 VDC
Maximum input W 1234 W
Maximum output power per PSU 1050 W on 12 VDC main power
36 W on 12 VDC standby power
Maximum inrush current 35 A (sub-cycle duration)
Maximum hold-up time 5 ms at 100% load (1050 W main and 36 W standby)
Power supply output voltage 12 VDC
Power supply standby voltage 12 VDC
Efficiency rating ≥ 92% at 50% load
Form factor RSP2
Input connector Fixed 3-wire block