User guide

Specifications A–7
Hitachi Unified Storage VM Block Module Hardware User Guide
Table A-7: PDU plugs, circuit breakers, and receptacles
Notes:
1. The numbers in this table were calculated with the Weight and Power calculator
Depending on the air temperature and actual voltage where the system is installed,
current draw can vary as much as + or - 10%. To predict power draw for a specific
system, contact technical support for assistance.
2. Idle condition - system is powered on but not being accessed.
2. Max power consumption - all disks are in write mode.
3. R00 is the controller rack with one controller chassis and NNN drive boxes.
4. R01and R02 are drive racks with NNN drive chassis each.
5. Configured with the maximum of 2048 146 GB SAS drives.
Figure A-1: Rack numbers
Phase Location PDU Plug
Max
Voltage
Rating
Max
Current
Rating
No. of CB
per PDU
Breaker
Rating
Power Supply
Receptacle
Single USA NEMA L6 30P
twistlock
2 pole, 3 wire
A + B + gnd
250 V 32 A 2 16 A,
20 A trip
2 pole, 3 wire
220 VAC
A + B + gnd
Outside
USA
IEC 309, blue
2 pole, 3 wire
A + B + gnd
250 V 32 A 2 16 A,
20 A trip
2 pole, 3 wire
220 VAC
A + B + gnd
Configuration
1
Max Power Consumption
3, 5
Current per rack