Power

DC Power Supply

Specifications

Computer Environment

Temperature ranges:

Wattage

Maximum heat dissipation

475W 1621 Btu/h

NOTE: Heat dissipation is calculated by using the power supply wattage rating.

Operating

10° to 35° C (50°F to 95°F)

Storage

– 40° to 70° C (–40°F to 149°F)

Relative

20% to 80% (noncondensing)

humidity

 

(maximum):

 

Voltage

100-240 VAC. 50-60 Hz, 10.0 A

 

NOTE: For information

 

on voltage settings, see

 

the safety information

 

shipped with your

 

computer.

Coin-cell

3-V CR2032 lithium coin cell

battery

 

Maximum vibration (using a random-vibration spectrum that simulates user environment):

Operating

5 to 350

Hz at 0.0002 G2/Hz

Storage

5 to 500

Hz at 0.001 to

 

0.01 G2/Hz

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Dell XPS setup guide Power, Computer Environment