Table 47. Input power requirements - Single-phase, North American, International, Australian (continued)
Specification
North American 3-wire connection
(2 L & 1 G)
International and Australian 3-wire
connection
(1 L & 1 N & 1 G)
Minimum power requirements per system
at customer site
PowerMax 2000: Up to two 30 A or 32 A single-phase line cords per power zone for each
system in a rack.
PowerMax 8000: Up to three 30 A or 32 A single-phase line cords per power zone.
a.
L = line or phase, N = neutral, G = ground
Table 48. Input power requirements - Three-phase, North American, International, Australian
Specification
North American 4-wire connection
(3 L & 1 G)
International 5-wire connection
(3 L & 1 N & 1 G)
Input voltage
200–240 VAC ± 10% L- L nom
220–240 VAC ± 10% L- N nom
Frequency
50–60 Hz
50–60 Hz
Circuit breakers
50 A
32 A
Power zones
Two
Two
Minimum power requirements at customer
site
One 50 A three-phase line cord per power
zone.
One 32 A three-phase line cord per power
zone.
a.
L = line or phase, N = neutral, G = ground
b.
An imbalance of AC input currents may exist on the three-phase power source feeding the array, depending on the configuration.
The customer's electrician must be alerted to this possible condition to balance the phase-by-phase loading conditions within the
customer's data center.
Best Practices for AC Power Connections
71
