IBM DS8880 Series Introduction And Planning Manual page 170

Power connector requirements
Ensure that the site where you plan to install the storage system meets the power
connector requirements.
Table 79 on page 159 shows the power cords and the inline connectors and
receptacle types that they support. Find the power cord row that is appropriate for
your site. Ensure that your site meets the specified power connector requirements.
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DS8880 Introduction and Planning Guide
Table 77. Single-phase input voltages and frequencies (continued)
Characteristic
Steady-state input frequencies
PLD input frequencies (<10 seconds)
1. Regions such as the United States and Canada require 20% derating for power
distribution circuits. For these regions, a minimum 50 A circuit breaker is required for a
40 Amp rated system such as the DS8886. Verification of applicable local standards is
required for system installation. Some configuration restrictions to limit power
consumption can allow reduced breaker ratings on a regional basis.
Table 78. Three-phase input voltages and frequencies
Characteristic
Nominal input voltages
Minimum tolerated
input voltage
Maximum tolerated
input voltage
System maximum
current rating
Wall breaker rating (3
1
ph)
Steady-state input
frequencies
PLD input frequencies
(<10 seconds)
1. Regions such as the United States and Canada require 20% derating for power
distribution circuits. For these regions, a minimum 50 A circuit breaker is required for a
40 Amp rated system such as the DS8886. Verification of applicable local standards is
required for system installation. Some configuration restrictions to limit power
consumption can allow reduced breaker ratings on a regional basis.
Voltage (single-phase)
50 ± 3 or 60 ± 3.0 Hz
50 ± 3 or 60 ± 3.0 Hz
Three-phase delta (3Ø∆)
200, 208, 220, or 240 RMS V
AC
180 RMS V AC
256 RMS V AC
30 Amps for Japan
24 Amps for other regions
30 - 60 Amps
50 ± 3 or 60 ± 3.0 Hz
50 ± 3 or 60 ± 3.0 Hz
Three-phase wye (3ØY:
LL[Line-to-Line])
380, 400, or 415 RMS V AC
315 RMS V AC
456 RMS V AC
17 Amps
20 - 32 Amps
50 ± 3 or 60 ± 3.0 Hz
50 ± 3 or 60 ± 3.0 Hz