Table 20. Electrical
Electrical characteristics
Properties
kVA (maximum)
1
0.32
Rated voltage and frequency
100 - 127 V ac or 200 - 240 V ac at 50 - 60 Hz
Thermal output (maximum)
1
1024 Btu/hr
Power requirements (maximum)
300 W
Power factor
0.94
Leakage current (maximum)
1.2 mA
Phase
1
1
All measurements made in conformance with ISO 7779 and declared in conformance with ISO 9296.
Table 21. Temperature requirements
Operating
Nonoperating
10°C - 38°C (50°F - 100.4°F)
1
-40°C - 60°C (-40°F - 140°F)
1
The maximum 38°C (100.4°F) temperature must be derated 1°C (1.8 °F) per 137 m (450 ft) above 1295 m
(4250 ft).
Table 22. Environmental requirements
Environment
Operating
Nonoperating
Maximum altitude
Noncondensing humidity
20% - 80% (allowable)
40% - 55%
(recommended)
8% - 80% (including
condensing)
2134 m (7000 ft) above
sea level
Wet bulb temperature
21°C (69.8°F)
27°C (80.6°F)
Table 23. Noise emissions
1
Properties
Operating
Idle
L
WAd
6.0 bels
6.0 bels
L
pAm
(1-meter bystander)
43 dB
43 dB
1
Single drawer in standard 19-inch rack with 24 hard disk drives, nominal environmental conditions, and no
front or rear doors on rack.
For a description of noise emission values, see Acoustics.
All measurements made in conformance with ISO 7779 and declared in conformance with ISO 9296.
Table 24. Service clearances for rack-mounted expansion unit
Front
Back
Sides
914 mm (36 in.)
914 mm (36 in.)
914 mm (36 in.)
Side and top clearances are optional during operation.
Safety compliance: This hardware is designed and certified to meet the following safety standards: UL
60950; CAN/CSA C22.2 No. 60950–00; EN 60950; IEC 60950 including all National Differences
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