Sun Microsystems, Inc.   Sun System Handbook - ISO 3.4 June 2011 Internal/Partner Edition
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Delta A246
1133 Watt Power Supply

Servers: SPARC Enterprise T5440

300-2249
Type A246
AC Input Power Supply
Specification 950-5877
Drawing 386-5256
UL 60950-1 2nd Edition
EN 60950-1 2nd Edition


AC Input

100-240Vac 50-60Hz 15A Max

DC Output

+12V +3.3Vsb
93.3A 4.0A

Efficiency

115V 20% Load 86.0%
230V 10% Load 81.0%
20% Load 88.2%
50% Load 92.0%
100% Load 90.0%

Notes

  1. Power Supply Efficiency affects the current draw in AC Watts from the branch circuit. As efficiency increases, the current draw in AC Watts decreases.
  2. To calculate maximum theoretical current draw in AC Watts, multiply the maximum power supply output in DC Watts by the reciprocal of the power supply efficiency.
  3. Theoretical values are typically higher than published values which are based on measured outputs under controlled test conditions.

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