Fujitsu PRIMEQUEST 420, Installation Planning Manual

Page: 79 / 104

U41644-J-Z816-5-76 2-37
Laufende K/F 1
(2) For customers outside Japan
Table 2.7 lists the requirements for the circuit breakers. Figure 2.19 shows the
characteristics of such circuit breakers.
Table 2.7 Requirements for circuit breakers in customers’ distribution panels
installed outside Japan
Figure 2.19 Characteristics of circuit breakers in customers' distribution
panels installed outside Japan
Main unit
(PRIMEQUEST 520A*/520/420 base cabinet)
Extended power cabinet
*: not supported by Fujitsu Technology Solutions
PCI_Box
The breaking capacity must be 32 A or greater.
The tripping time must be equal to or slower than
the "D" characteristics (IEC898 or DIN0641 Part
II) shown in
Figure 2.19 .
The breaking capacity must be 16 A or
greater. The tripping time must be equal to
or slower than "C" or "D" characteristics
(IEC898 or DIN 0641 Part II) shown in
Figure 2.19 .
~ ~ ~
D C B
1 2 3 4 5 6 7 8 10 20 30 40 50 80 100 1.5 15
0.01
0.02
0.04
0.06
0.1
0.2
0.4
0.6
1
2
4
6
10
20
40
1
2
4
6
10
60
40
20
120
180
Current (ratio to the rated current)
Min
S
Breaking time