1.1.4 Location Considerations
The Rack Mount Power Distribution Unit should be placed in the most middle rack; this will
allow all power strips on each rack to reach the RPDU receptacles located on the back of the
unit. (With an average 15’ power strip cord, nine racks can be powered without extension
power cord)
Equipment Location – The unit should be mounted on the top or bottom of the rack. (1/2”
knockouts are provided on both top and bottom for additional external circuits use)
Operating Environment - Ambient temperatures of 0°C to 40°C with a relative humidity of
0% to 95% (non-condensing).
Bottom or Top Clearance of 6 inches is required for exit of cables/ conduit and/or for cooling
airflow.
Units with top cable exit provisions and side vents do not require bottom clearance.
Recommended Minimum Service Clearances - The indicated clearances at the front and
rear of the unit are required for service access by the National Electrical Code (NEC) (Article
110-16).
Heat Output - As all electrical devices, the Rack Mount Power Distribution Unit produces heat
under normal operation. (See table 1) This heat output should be included when calculating the
environmental conditions of the room.
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