Dell PowerVault MD3000 Getting Started Manual page 12

Environmental (Enclosure)
Temperature:
Operating
Storage
Relative humidity
Operating
Storage
Altitude
Operating
Storage
BTU per hour
Environmental (Battery Backup Unit [BBU])
Maximum input power
Regulated output voltage
from BBU
Minimum retention time
(life expectancy)
Working temperature range
(dry bulb)
Working relative humidity
range
Storage temperature range
(dry bulb)
Transit temperature range
(dry bulb)
Storage and transit humidity
range
Storage and transit maximum
temperature gradient
Storage and transit maximum
humidity gradient
10
Getting Started With Your System
10° to 35°C (50° to 95°F)
–40° to 65°C (–40° to 149°F)
20% to 80% (noncondensing)
5% to 95% (noncondensing)
–16 to 3048 m (–50 to 10,000 ft)
–16 to 10,600 m (–50 to 35,000 ft)
1430
• +12 VDC +/–5% at 1 A
• +3.3 VDC +/–5% at 150 mA
• Operating temperature range: 5° to 55°C (41° to 131°F)
• +2.5 VDC +/–3% at 20 mA to 120 mA
• Operating temperature range: 5° to 55°C (41° to 131°F)
72 hours for 256-MB DDR-I DIMM, 2.5 V at 120 mA
• 5° to 55°C (41° to 131°F)
• Maximum dry bulb temperature derated by 3.3°C (37.9°F)
per 1000 m (3281 ft) above 500 m (1640 ft)
5% to 90% noncondensing
• –10° to 45°C (14° to 113°F) for 3 months maximum
• Maximum dry bulb temperature derated by 3.3°C (37.9°F)
per 1000 m (3281 ft) above 500 m (1640 ft)
–20° to 60°C (–4° to 140°F) for 1 week maximum
5% to 95% relative humidity
1°C (33.8°F) per minute to a maximum of 20°C (68°F) per hour
30% relative humidity per hour