Branch Circuit Requirements - HP StorageWorks XP12000 Site Preparation Manual

Caution

Branch circuit requirements

Note
82
30-amp power cords
Each 30-amp XP12000 disk array cabinet has four power-supply cords. The
power cords included with the unit are type H07RN-F or equivalent with
2
three 6 mm conductors.
Be sure to connect the power cords to the distribution panel as shown in
Figure 16. Improper wiring of the neutral conductor may cause damage to
the disk array. To reduce the risk of a wrong connection, use a plug and
socket that are approved for this disk array. It is your electrician's
responsibility to select and install the proper plug.
Warning
High leakage current can occur between the power supply and the unit. To
avoid electrical shock, be sure to make the protective earth connection
before the supply connections.
To protect the disk array, your building must be wired correctly. Each
supply ("hot") conductor must be protected by a short-circuit protective
device and by an overcurrent protective device. Table 23
Table 24 (page 70), Table 26
specifications for the overcurrent protective devices required for
single-phase operation. All protective devices must comply with national
standards of the country where the units are to be installed. If a protective
device interrupts any supply conductor, it must also interrupt all other
supply conductors.
Overcurrent protection is also required for the neutral conductor.
In many cases, local codes do not allow a branch circuit fitted with a
50-amp receptacle or connector to be protected by an
overcurrent-protection device with a rating lower than 50 amps. You can
order an XP12000 disk array with the 30-amp power option to comply with
these local codes. Your electrician knows the appropriate code
requirements for your location/site.
HP StorageWorks XP12000 Disk Array Site Preparation Guide
(page 71), and Table 27
(page 70),
(page 72) provide