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Dell PowerVault MD3200 Series Техническое руководство
Technical Guide Book for PowerVault MD3200MD3220
Table 9.
Power Supply Specifications
AC Characteristics
INPUT PARAMETER
Input Voltage Range
Input Frequency
Peak Inrush Current
Power Factor over full AC input range
Minimum Efficiency measured 20%, 50% and
80% output load over full range of AC input and
environmental conditions
Peak Output Power

Thermal management

The cooling system for the enclosure is designed to allow all components (power supplies, RAID controllers,
HDDs, SSDs etc.) to meet their full operating specifications. There may be up to four fans in each power
supply/fan module. This configuration provides N+1 fan redundancy, meaning that the enclosure can be
sufficiently cooled for normal operation even if one fan fails.
Firmware shall continuously monitor the temperature sensors within the enclosure and take proper actions
to throttle the fans in order to maintain optimal operating temperature.

Over-Temperature Shutdown

In order to prevent potential damage to the drives and subsequent loss of data, the power supply has the
capability to shut itself down or be shut down by the RAID controllers in the event of an over-temperature
condition. When the power supply incorporates its internal thermal shutdown feature, it will automatically
restart when the over temperature condition no longer exists. Hysteresis of at least 5 degrees is employed
to prevent a frequent toggling on and off of the outputs.
Requirement
90 – 264 VAC
47 – 63 Hz
55 A for 10ms or less, 25 A for 10-150ms
0.9 @ output load > 90%
Must Meet Climate Savers requirements:
Load Condition
Efficiency
20%
87%
50%
90%
100%
87%
600 Watts
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