Power

DC power supply:

Wattage

280 W

 

 

 

 

Heat dissipation

955.39 BTU/hr maximum

 

 

NOTE: Heat dissipation is calculated based upon the

 

 

power supply wattage rating.

 

Voltage

manual selection power supply — 90 to 135 V at

 

 

50/60 Hz; 180 to 265 V at 50/60 Hz

 

Backup battery

3-V CR2032 lithium coin cell

 

 

 

 

 

 

 

Physical

 

 

 

 

 

Height

11.4 cm (4.5 inches)

 

 

 

 

Width

39.9 cm (15.7 inches)

 

 

 

 

Depth

35.3 cm (13.9 inches)

 

Weight

10.4 kg (23 lb)

 

 

 

 

 

 

 

Environmental

 

 

 

 

 

Temperature:

 

 

 

 

 

Operating

10° to 35°C (50° to 95°F)

 

 

 

 

Storage

–40° to 65°C (–40° to 149°F)

 

 

 

 

Relative humidity

20% to 80% (noncondensing)

 

 

 

 

Maximum vibration:

 

 

 

 

 

Operating

0.25 G at 3 to 200 Hz at 0.5 octave/min

 

 

 

 

Storage

0.5 G at 3 to 200 Hz at 1 octave/min

 

 

 

 

Maximum shock:

 

 

 

 

 

Operating

bottom half-sine pulse with a change in velocity of

 

 

50.8 cm/sec (20 inches/sec)

 

 

 

 

Storage

27-G faired square wave with a velocity change of

 

 

508 cm/sec (200 inches/sec)

 

 

 

 

Altitude:

 

 

 

 

 

Operating

–15.2 to 3048 m (–50 to 10,000 ft)

 

 

 

 

Storage

–15.2 to 10,668 m (–50 to 35,000 ft)

 

 

 

 

 

 

 

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Image 35
Dell C521 specifications Power, Physical, Environmental