Figure 2.8 Eternus Dx Disk Storage System (Psu) Breaking Characteristics (Graph); Figure 2.9 Example Of A Power Supply Connection Without Power Distribution Units; Table 2.12 Eternus Dx Disk Storage System (Psu) Breaking Characteristics (Trip Time (Sec.)) - Fujitsu ETERNUS DX60 S2 User Manual

Chapter 2 ETERNUS DX Disk Storage System Installation
2.6 Circuit Protectors
■
For direct (no power distribution unit) connection
The breaking characteristics of distribution board circuit protectors must be slower than the val-
ues shown in
1000
100
10
0.1
0.01
0.001
Figure 2.8
Table 2.12
Delay
200E
Figure 2.9
ETERNUS DX60 S2 Disk storage system User's Guide -Site Planning-
Figure 2.8 or equivalent to D (IEC898).
CURVE 200E
1
100 200 300 400
125
PERCENT LOAD (%)
150
ETERNUS DX Disk storage system (PSU) breaking characteristics (graph)
ETERNUS DX Disk storage system (PSU) breaking characteristics (Trip time (sec.))
100% 125%
No Trip 45 to
500
ETERNUS DX Disk storage system
P
S
CP
U
Line 0
Example of a power supply connection without power distribution units
Do
CAUTION
• Only connect the ETERNUS DX Disk storage system to circuit
protectors.
Copyright 2012 FUJITSU LIMITED
500 600 700 800 900
150% 200% 400%
15 to 6 to 0.7 to
250 90
P
S
DE #01
U
CE
Line 1
CP: Circuit Protector
40
1000
600% 800%
0.008 to 0.006 to
15 5 0.4
CP
P3AM-5492-04ENZ0
1000%
0.004 to
0.08