Lenovo ThinkSystem D4390 Hardware Installation And Maintenance Manual page 4

Safety Compliance
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UL 60950-1, 2nd Edition, 2014-10-14
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CAN/CSA C22.2 No. 60950-1-07, 2nd Edition, 2014-10
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UL 62368-1, 2nd Ed, 2014-12-01
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CAN/CSA C22.2 No. 62368-1-14, 2nd Ed, Issued: 2014-12-01
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IEC 60950-1 2012 A2-2013
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EN 60950-1/A12:2011 A2:2013
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IEC 62368-1:2014
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EN 62368-1:2014/A11:2017
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IEC 62368-1:2018/EN
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EN 62368-1:2020+A11:2020
Environmental Specification
Temperature and Temperature Gradient
Operating
Non-Operating
Humidity
Operating
Non-Operating
Altitude
Operating
Non-Operating
Acoustic Noise Specification
A single enclosure shall not exceed 7.6 Bels LwAd (A-Weighted sound power level) at 23+/-2 degree C with
typical system loading.
Ambient Temperature
Max Temperature Gradient
Ambient Non-Operating
Ambient Operating (Non-condensing)
Ambient Non-Operating (Non-condensing)
3050m (support for up to 3050m requires temperature de-rating) [950m@ 35℃,
3050m@ 28℃]
NOTE: De-rate max operating temperature 1℃/300m above 950m altitude.
Maximum Altitude of 12,000 meters (39,370 feet)
5 to 35ºC
20ºC per hour
-40 to 60 ºC
8 to 85 % R.H
8 to 95 % R.H
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