User Manual
52 PowerEdge R620 Technical Guide
Power supply specifications
Table 32 lists power supply specifications for the PowerEdge R620.
Table 32. Power supply specifications
Specification
1100W DC
1100W AC
750W AC
Titanium
750W AC
Platinum
495W AC
Current
consumption
32A
12A–6.5A
10A–5A
10A–5A
6.5A–3A
Supply voltage
-48V to -60V DC
100–240VAC
1
200–240VAC
100–240VAC
1
100–240VAC
1
Frequency
N/A
50/60Hz
50/60Hz
50/60Hz
50/60Hz
Heat dissipation
(BTU/hr max)
4416
4100
2843
2891
1908
Maximum inrush
current
2
55A
55A
55A
55A
55A
1
Auto-ranging
2
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.
Environmental specifications
Table 33 details the environmental specifications for the R620. For additional information about
environmental measurements for specific system configurations, see
Dell.com/environmental_datasheets.
Table 33. Environmental specifications
Fresh Air: temperature, humidity, altitude de-rating
Continuous
operation
10°C to 35°C (50°F to 95°F) at 10% to 80% relative humidity with 26°C (78.8°F) maximum
dew point (maximum wet bulb temperature). De-rate maximum allowable dry bulb
temperature at 1°C per 300m above 950m (1°F per 547 ft above 3117 ft).
Expanded
operation
When operating in the expanded temperature range, system performance may be impacted,
and ambient temperature warnings may be reported on the LCD and in the System Event
Log.
≤ 10% of annual operating hours: 5°C to 10°C and 35°C to 40°C (with no direct sunlight on
the equipment) at 5% to 85% relative humidity with 26°C dew point (maximum wet bulb
temperature). Outside the standard operating temperature (10°C to 35°C), the system can
operate down to 5°C or up to 40°C for a maximum of 10% of its annual operating hours. For
temperatures between 35°C and 40°C (95°F to 104°F), de-rate maximum allowable dry bulb
temperature by 1°C per 175m above 950m (1°F per 319 ft above 3117 ft).
≤ 1% of annual operating hours: –5°C to 5°C and 40°C to 45°C (with no direct sunlight on
the equipment) at 5% to 90% relative humidity with 26°C dew point (maximum wet bulb
temperature). Outside the standard operating temperature (10°C to 35°C), the system can
operate down to –5°C or up to 45°C for a maximum of 1% of its annual operating hours. For
temperatures between 40°C and 45°C (104°F to 113°F), de-rate maximum allowable dry bulb
temperature by 1°C per 125m above 950m (1°F per 228 ft above 3117 ft).
Expanded operation restrictions:
No cold startup below 5°C
Maximum altitude for the operating temperature must be 3050m (10,000ft)
Redundant power supplies required