HP StorageWorks Disk Array XP1024: Site Preparation Guide (A7906-96013, July 2005)

50 HP StorageWorks Disk Array XP1024: Site Preparation Guide
Maximum peak inrush and crest factor
The table below shows the maximum peak inrush currents for the HP Disk
Array XP1024 DKC and DKUs.
The table below shows the crest factors for the HP Disk Array XP1024.
If you intend to use HP Disk Array XP512 DKUs with your HP XP1024
Disk Array, see the HP StorageWorks Disk Array XP512 Site Preparation
Guide for peak-inrush and crest-factor information for these DKUs.
Cabinet Power Single-Phase Three-Phase
DKC 30-amp 25 A 30 A
40-amp 67 A
N/A
1
DKU 30-amp 33 A 79 A
50-amp 53 A
N/A
2
60-amp
N/A
3
99 A
4
40 A
5
1. The 40-amp power configuration is single-phase only.
2. The 50-amp power configuration is single-phase only.
3. The 60-amp power configuration is three-phase only.
4. First DKU (R1) only. This value includes the current drawn by
the DKC in this configuration.
5. R2, L1, and L2 DKUs.
Cabinet Single-Phase Three-Phase
DKC 2.02 1.88
DKU 1.65 1.54