Three-Phase Cabling For The Usa (60 Hz); Connecting The External Power-Supply Cords - HP StorageWorks XP12000 Site Preparation Manual

Three-phase cabling for the USA (60 Hz)

Caution

Connecting the external power-supply cords

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Each three-phase DKU has two main disconnect devices (two main
breakers for dual power lines) so that AC power to the unit can be supplied
from separate power distribution panels with two power-supply cords.
An HP representative should be present whenever the disk array is being
connected to a new power source for the first time.
The XP12000 disk array is factory-configured for 30-amp, three-phase
power.
When the disk array uses 30-amp, three-phase input power, the DKC and
DKUs have two power cords each.
Figure 12. 30-amp, three-phase power cords
If one power source malfunctions, the other power source assumes the total
load, providing uninterrupted operation. HP recommends that each power
HP StorageWorks XP12000 Disk Array Site Preparation Guide