Dell PowerVault MD3000: Environmental (Enclosure) Environmental (Battery Backup Unit [BBU])

Environmental (Enclosure)

Temperature:

Operating

10° to 35°C (50° to 95°F)

Storage

–40° to 65°C (–40° to 149°F)

Relative humidity

Operating

20% to 80% (noncondensing)

Storage

5% to 95% (noncondensing)

Altitude

Operating

–16 to 3048 m (–50 to 10,000 ft)

Storage

–16 to 10,600 m (–50 to 35,000 ft)

BTU per hour 1430

Environmental (Battery Backup Unit [BBU])

Maximum input power

• +12 VDC +/–5% at 1 A

• +3.3 VDC +/–5% at 150 mA

• Operating temperature range: 5° to 55°C (41° to 131°F)

Regulated output voltage

• +2.5 VDC +/–3% at 20 mA to 120 mA

from BBU

• Operating temperature range: 5° to 55°C (41° to 131°F)

Minimum retention time

72 hours for 256-MB DDR-I DIMM, 2.5 V at 120 mA

(life expectancy)

Working temperature range

• 5° to 55°C (41° to 131°F)

(dry bulb)

• Maximum dry bulb temperature derated by 3.3°C (37.9°F)

per 1000 m (3281 ft) above 500 m (1640 ft)

Working relative humidity

5% to 90% noncondensing

range

Storage temperature range

• –10° to 45°C (14° to 113°F) for 3 months maximum

(dry bulb)

• Maximum dry bulb temperature derated by 3.3°C (37.9°F)

per 1000 m (3281 ft) above 500 m (1640 ft)

Transit temperature range

–20° to 60°C (–4° to 140°F) for 1 week maximum

(dry bulb)

Storage and transit humidity

5% to 95% relative humidity

range

Storage and transit maximum

1°C (33.8°F) per minute to a maximum of 20°C (68°F) per hour

temperature gradient

Storage and transit maximum

30% relative humidity per hour

humidity gradient

10 Getting Started With Your System