Fujitsu DX60S2 User Manual
Chapter 2 ETERNUS DX Disk Storage System Installation
2.6 Circuit Protectors
2.6 Circuit Protectors
ETERNUS DX60 S2 Disk storage system User’s Guide -Site Planning-
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Copyright 2012 FUJITSU LIMITED
P3AM-5492-04ENZ0
Table 2.11
Power distribution unit (1U) breaking characteristics (Trip time (sec.))
Figure 2.7
Example of a power supply connection using a power distribution unit (1U)
Delay
100%
125%
150%
200%
400%
600%
800%
1000%
200E
No Trip
45 to
500
15 to
250
6 to
90
0.7 to
15
0.008 to
5
0.006 to
0.4
0.004 to
0.08
CP
To power supply facility
To power supply facility
CP
Power distribution unit
Line 0
Line 1
CE
DE #01
ETERNUS DX Disk storage system
CP
CP
CP: Circuit Protector
Distribution
board
Distribution
board
PSU
PSU
PSU
PSU