GE ReliaGear LV MCC, Инструкция по установке, эксплуатации и обслуживанию

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I N S TA L L AT I O N , O P ER AT I O N S A N D M A I N T EN A N C E M A N UA L 25
Wiring between sections
Figure 47 shows the dimensions of side cutouts in
each vertical section for wiring between sections.
Cross-wiring can be accomplished at both the top
and bottom of sections. 20-inch or 22-inch deep
vertical sections accessible from the rear can be
cross-wired in the open rear area, with the wiring
brought forward through oval openings in the rear
of the vertical wireway.
10.0 [254,1]
rear of bus bar
2.53
[64,3]
Wire way
5 x 5
[127 x 127]
typical
Cover
12
[304,8]
3.00
[76,2]
4.40
[111,8]
Three
phase bus
5.17 [131,1]
—
47
—
47
Side cutout dimensions
on 13-inch, 20-inch,
22-inch and 25-inch
—
50
Type 12 and arc-resistant
gasket material installed
in a MCC section
—
49
Mounting the
terminal block
—
48
Side cutout dimensions
on 30-inch
19.9
15.0
24.3
2.4
Three
phase
split bus
—
48
If rear access is used, a rear main bus barrier is a
required option.
If 2500A without fans, 2500A Type 12, 3000A,
or 3200A main bus configurations are used, 3"
of clearance between back of MCC and wall
is required.
CAUTION
WARNING
Terminal blocks
The terminal blocks are mounted on a metal rail
located at the bottom of the unit, as shown in
Figure 49. The terminal block easily slides into
position from either side of the mounting rail.
Installation of standard motor control center
units
Any unit ordered separately is shipped complete
with the door and associated hardware. If the
space available in the vertical section is greater
than the new unit height, order a blank filler door
with hinge hardware and a snap shelf. See the
renewal parts bulletin for ordering blank doors
and gasket materials. The gasket material lines
the inner perimeter of the section. Figure 50
shows the gasket material mounted to the
outside of the door.
—
49
—
50
Gasket