Breaker Configurations

For both racks, AC power is supplied to each power distribution unit (PDU)

from the breaker. Figure 2-7 and Figure 2-8 show the breaker configurations

for the primary and secondary racks, respectively.

DKC
DKU-R1 DKU-R0
DKC
DKU-R0
Configuration with one disk chassis (DKC-F615I-B2) installedRegardless of the number of disk chassis, the number of 20A breakers is the same.
PDU
(1φ/20A) PDU
(1φ/20A) PDU
(1φ/20A)
PDU
(1φ/20A)
30A
breaker 30A
breaker 30A
breaker 30A
breaker 30A
breaker 30A
breaker 30A
breaker 30A
breaker
Configuration with two disk chassis (DKC-F615I-B2) installed

Figure 2-7 Breaker Configurations for the Primary Rack

Configuration with one disk chassis (DKC-F615I-B2) installed
PDU
(1φ/20A)
PDU
(1φ/20A) PDU
(1φ/20A)
30A
breaker 30A
breaker
PDU
(1φ/20A)
PDU
(1φ/20A) PDU
(1φ/20A)
30A
breaker 30A
breaker 30A
breaker 30A
breaker
Configuration with two disk chassis (DKC-F615I-B2) installed
When adding a disk chassis,
add two 20A breakers.
PDU
(1φ/20A)
PDU
(1φ/20A)
DKU-R2
DKU-R3 DKU-R2

Figure 2-8 Breaker Configurations for the Secondary Rack

Installation Requirements 2-15
Hitachi Universal Storage Platform VM Installation Planning Guide