Power cabling access – Rockwell Automation 7000A PowerFlex Medium Voltage AC Drive (A Frame) - ForGe Control (PanelView 550) User Manual

Page 49

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Drive Installation

2-27

7000 “A” Frame

7000A-UM151D-EN-P – March 2013


The wire sizes must be selected individually, observing all applicable
safety and CEC, IEC or NEC regulations. The minimum permissible
wire size does not necessarily result in the best operating economy.
The minimum recommended size for the wires between the drive and
the motor is the same as that used with an across-the-line starter.
The distance between the drive and motor may affect the size of the
conductors used.


Consult the wiring diagrams and appropriate CEC, IEC or NEC
regulations to determine correct power wiring. If assistance is
needed, contact your local Rockwell Automation Sales Office.

Power Cabling Access

The drive is built with provision for either the top or bottom power
cable entry.


Cable access plates are provided on the top and bottom plates of the
connection cabinet identified by the customer specific dimension
drawing (DD).

To access the customer power cable terminations

Cable connections are located behind the medium voltage door of the
Connection/Cabling cabinet. Location of power terminals for
various drive configurations are as indicated in Figures 2.21, 2.19
and 2.22.


In the case of the cabling cabinet with starter, the removal of internal
barriers and duct covers located on the left side of the cabinet may be
required to facilitate the routing of line cables. This can be
accomplished by removing the hardware securing the barrier/cover
and sliding it toward the front of the cabinet for removal. In addition
the fan housing and cover plate (if already installed) located on the
top of the cabinet must be removed to allow routing and termination
of line cables. All barriers/covers must be replaced, by reversing the
above sequence, before applying medium voltage.


The installer is responsible for modifying the power cable access
plates to suit their requirements.


Note that appropriate connectors must be used to maintain the
environmental rating of the enclosure.





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