Fujitsu DX90 S2 Manual Do Utilizador

Chapter 2 ETERNUS DX Disk Storage System Installation
2.7 Circuit Protectors

ETERNUS DX80 S2/DX90 S2 Disk storage system User’s Guide -Site Planning-

P3AM-4822-12ENZ0

●

Power distribution unit (2U)

Power distribution unit for DX80 S2/DX90 S2 (AC200-240V, 2U, Max 6 enclosures connection)
Up to six enclosures can be connected.

Power distribution unit for DX80 S2/DX90 S2 (AC200-240V, 2U, Max 8 enclosures connection)
Up to eight enclosures can be connected.

Figure 2.7 Power distribution unit (2U)

2.7

Circuit Protectors

Protection coordination must be secured between the distribution board circuit protectors and the ETERNUS
DX Disk storage system or power distribution units to protect the ETERNUS DX Disk storage system by blocking
the failed circuit immediately when a power supply input error occurs.
Distribution board circuit protectors must satisfy the following required conditions and breaking
characteristics.

■

Required conditions

The distribution board circuit protectors must satisfy the required conditions that are listed in

Table 2.11

Table 2.11 Required conditions for distribution board circuit protectors

Output (12 or 16 outlets)

Input (2 sockets)

Connected device

Power supply

voltage

Current capacity

Regions other

than EMEA&I

EMEA&I region

Power distribution unit for DX80 S2/DX90 S2 (AC200-
240V, 1U, Max 2 enclosures connection)

AC200 – 240V

15A

—

Power distribution unit for DX80 S2/DX90 S2 (AC200-
240V, 2U, Max 6 enclosures connection)

AC200 – 240V

20A

—

Power distribution unit for DX80 S2/DX90 S2 (AC200-
240V, 2U, Max 8 enclosures connection)

AC200 – 240V

30A

—

ETERNUS DX Disk storage system
(without power distribution units)

AC100

–

120V

AC200 – 240V

15A

16A