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Introduction; General Description - Vertical Section Enclosures - GE Evolution Series E9000 User Manual

Motor control centers.
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Evolution Series E9000 User Manual
Chapter 1 – Introduction
This publication provides guidelines for installation and
maintenance of Evolution Motor Control Centers, as
shown in Figure 1. The information provided does not
cover all details or variations in this product o ering,
nor does it address all possible contingencies to be
met in connection with installation, operation, or
maintenance. Should further information be desired,
contact GE Field Service Administration:
Refer to the GE requisition number found on the front
of the equipment when calling for assistance.
Disconnect equipment from all electrical
services before performing any installation
or maintenance work.
For additional information, including safety considerations
for personnel working on this product, see NEMA Standard
Publication No. ICS 2.3, Instructions on the Handling,
Installation, Operation, and Maintenance of Motor
Control Centers.
Figure 1. Evolution Series three-section lineup
General Description –
Vertical Section Enclosures
Each Evolution MCC vertical section is assembled with
two full-side sheets having openings near the top and
bottom for lateral busing and wiring between sections.
Multiple sections are joined together at the factory in
three-section (maximum) shipping splits. Each shipping
split is provided with continuous oor sills and a lifting
angle. Floor sills and lifting angles are eld removable.
Each shipping split includes a continuous non-removable
main horizontal bus. Main bus splice bars are provided
within each shipping split for eld connecting main
busses. Refer to motor control center outline drawings
furnished by the General Electric Company for location
of shipping splits within each motor control center
lineup. Hinged doors are provided over horizontal and
vertical wireways. (These doors can be removed by
extracting the hinge pins inside the doors.)
Vertical sections are normally provided with a top (12"
high) horizontal wireway and a bottom (6" high) horizontal
wireway. Each Arc Resistant vertical section is provided
with a vertical (3.85" wide) wireway.
To open unit doors, rotate the latches 90'
counter-clockwise until the screwdriver slots
or knobs are vertical.
To open wireway doors, rotate the latches 90'
clockwise until the screwdriver slots or knobs
are vertical.
Unit Door Latch shown
in secure position
Because of the great variety of motor controller
assemblies and components provided within industrial
motor control centers and to satisfy oor-space limitations
at installation sites, a large variety of vertical section
dimensions are provided, as follows:
• Section Height:
• Section Width:
• Section Depth:
Not available in Arc Resistant
90", 78"
, 66"
20", 24", 30" etc.
, 20", 22" or deeper
for large assemblies.


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