Figure 2.8 Breaking Characteristics Of Distribution Board Circuit Protectors - Fujitsu ETERNUS DX80 S2 User Manual

Chapter 2 ETERNUS DX Disk Storage System Installation
2.7 Circuit Protectors
■ Breaking characteristics
The breaking characteristics (*1) of distribution board circuit protectors must be equivalent to or slower than
D (IEC898), which is shown in
*1: Relationship between the size of excess current and operation time

Figure 2.8 Breaking characteristics of distribution board circuit protectors

180
120
60
40
20
10
6
4
2
1
40
20
10
6
4
2
1
0.6
0.4
0.2
0.1
0.06
0.04
0.02
0.01
1
ETERNUS DX80 S2/DX90 S2 Disk storage system User's Guide -Site Planning-
Figure 2.8.
B C D
~ ~ ~
1.5 2 3 4 5 6 7 8 10 15 20
Current (ratio for the current rating)
Copyright 2013 FUJITSU LIMITED
30 40 50 80 100
42
P3AM-4822-12ENZ0