Dell
Dell PowerEdge R910 Technical Guide 20
Table 5. Power Supply Specifications
AC Power supply (per power supply)
90–264V, 47–63Hz, auto-ranging
8407 BTU/hr maximum (with two or four
1100W power supplies)
5732 BTU/hr maximum (with two or four
750W power supplies)
Under typical line conditions and over the
entire system ambient operating range, the
inrush current may reach 55A per power
supply for 10ms or less
5.2 Environmental Specifications
Table 6 details the environmental specifications for the R910.
Table 6. Environmental Specifications
10°C to 35°C (50°to 95°F) with a maximum temperature gradation of 10
o
C per hour.
Note: For altitudes above 2950 feet, the maximum operating temperature is derated
1°F/550 feet.
–40°C to 65°C (-40°to 149°F) with a maximum temperature gradation of 20°C per
hour
20% to 80% (noncondensing) with a maximum humidity gradation of 10% per hour
5% to 95% (noncondensing) with a maximum humidity gradation of 10% per hour
0.26 Grms at 5-350Hz in operational orientations
1.54 Grms at 10-250Hz in all orientations
Half sine shock in all operational orientations of 31G +/- 5% with a pulse duration of
2.6 ms +/- 10%
Half sine shock on all six sides of 71G +/- 5% with a pulse duration of 2 ms +/-10%;
Square wave shock on all six sides of 27 G with velocity change @ 235 in/sec or
greater
-16 to 3048m (-50 to 10,000ft) Note: For altitudes above 2950 feet, the maximum
operating temperature is derated 1
o
F/550 feet
-16 to 10,600m (-50 to 35,000ft)
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