Uninterruptible Power Supply (Ups) - HP StorageWorks XP12000 Site Preparation Manual

Uninterruptible power supply (UPS)

Caution
Table 21. Single secondary input (primary offline) power requirements
Input (Vac) DKC
208 20.0 A
400 Not applicable Not applicable
58
Most disk array units are installed in data centers where a UPS strategy is
already in place. However, if you are making your first large disk array
purchase, you may need a separate UPS solution.
This section discusses a product UPS. If you are planning or already have a
site-wide UPS, HP recommends against using a product UPS powered by a
site-wide UPS for the XP12000.
Make sure your UPS satisfies the requirements in
are based on a worst-case voltage (rated voltage –10 percent) and a
maximum configuration of DKC/DKUs. A phase imbalance of 15 percent
is also included in the calculation.
Single-phase 30A
Each additional DKU DKC
17.3 A
In a maximum disk array configuration (one DKC and four DKUs), the
array requires 31 kVA.
Single-phase 50A
Each additional DKU Each additional DKU
40.0 A 34.6 A
Not applicable Not applicable
HP StorageWorks XP12000 Disk Array Site Preparation Guide
Table 21. Table values
Three-phase 30A
20.0 A
10.4 A