Three-Phase Ac Cabling For The Usa (60 Hz); Connecting The External Power Supply Cords; 30-Amp, Three-Phase Power Cords; Fault-Tolerant Wiring With 30-Amp, Three-Phase Power Cords - HP StorageWorks XP12000 - Disk Array Site Preparation Manual

Source Research, Inc. (SRI), 2160 Sunnydale Boulevard, Clearwater, FL 33765-2108, USA Telephone:
(800) 356-0259. Contact: Erik Peterson, telephone extension 302, company website:
www.sourceresearch.com/index.cfm.

Three-phase AC cabling for the USA (60 Hz)

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.
CAUTION:
An HP representative should be present whenever the disk array is being connected to a new power source
for the first time.

Connecting the external power supply cords

The disk array is factory configured for 30-amp, three-phase power.

30-amp, three-phase power cords

When the disk array uses 30-amp, three-phase input power, the DKC and DKUs have two power
cords each.
Figure 10 Fault-tolerant wiring with 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 cord have a separate electrical circuit as
its source, in case of a circuit failure. Each power supply cord is supplied with an attachment plug
type Russellstoll 3760PDG.
Be sure to install Russellstoll 3934 (alternate, 9C34U0) or 3754 (alternate, 39R34U0W) socket
receptacles between the power distribution panel of the building and the power plugs for the unit.
52 Electrical specifications
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