94
Technical specifications
Environmental requirements
Power supply unit specifications
Table 11
Ambient temperature and humidity
Specification
Temperature range
Relative humidity
Operating
5ºC to 35ºC (41ºF to 95ºF, derated by 1ºC per 300m above
900m) (ASHRAE A2 2015 thermal guidelines)
-12ºC DP/10 to 80% (Max)
(Non-condensing)
Non-operating
-40ºC to +70ºC (-40ºF to +158ºF) (Max rate of change: 20ºC)
-12ºC DP/5 to 100% (Max)
(Non-condensing)
Specification
Measurement/description
Airflow
System must be operated with low pressure rear exhaust installation.
Back pressure created by rack doors and obstacles not to exceed 5Pa (0.5 mm H
2
O)
Altitude, operating
-100 to 3,048 meters (-328 to 10,000 feet). Maximum operating temperature is derated
by 1ºC for each 300 m above 900 m (2952.76 feet)
Altitude, non-operating
-100 to 12,192 m (-328 to 40,000 feet)
Shock, operating
3.0 g, 11 ms (per axis)
Shock, non-operating
20.0 g, 7ms, 10 shock pulses (2 shocks per axis X, Y in positive and negative direction,
and 2 shocks in positive Z axis) OR ISTA 3H (mounted in a rack, horizontal impact on
all sides, 4-in drop tests)
Vibration, operating
0.18G
rms
5 Hz to 500 Hz, 30 min per axis
Vibration, non-operating
0.54 G
rms
6Hz to 200 Hz (ISTA 3E)
Vibration, relocation
ISTA3H air ride for 60 min
Acoustics
4U enclosures: Sound power operating
8.5 Bels LW
Ad
@ 23ºC
Orientation and mounting: 1.2 m rack mount (4 EIA units)
•
Rack rails
To fit 1.2 m depth racks compliant with the SSI server rack specification
•
Rack characteristics
Back pressure not exceeding 5Pa (~0.5 mm H
2
0)
Table 12
Power supply unit module specifications
Specification
Measurement/description
Dimensions (size)
38.1 mm high x 169.9 mm wide x 211.1 mm long:
•
X-axis length: 169.9 mm (6.69 in)
•
Y-axis length: 38.1 mm (1.5 in)
•
Z-axis length: 211.1 mm (8.3 in)
Maximum output power
2000 W
Voltage range
200–240 VAC rated
Frequency
50–60 Hz
Voltage range selection
Auto-ranging: 90–264 VAC, 47–63 Hz
Maximum inrush current
55A
Power conversion efficiency
94% @ 230 VAC (50% load)
Harmonics
Meets EN61000-3-2 (EU), EN 31000-3-3 (EU), EN 55024 (EU), KN 24/KN 35 (S. Korea)
Output
+12V @ 164A, +12V Standby Voltage @ 3.5A, 5V for circuit operation