Siemens GM-SG - Indoor Switchgear Anchoring; Anchoring Indoor Switchgear to Foundation

Installation
•
n
Sill
cannot
project
more
than
10.0
from front of
unit
to
allow
entrance
of
secondary wiring
Breaker
Drawout
Bolt
or
weld
.
cubicle
to
sill
Side
\
n
r
"
.
pj
1
—
0.06
space
between
swgr
&
floor
Floor
Line
o
°
o
o
o
o
o
o o
o
o
o o
o
o
o
o
CT
>
o
£
o
<
7
-
After
switchgear
is
leveled
and
permanently
welded
or
bolted
in
place
,
apply
asphalt
or
epoxy
grout
between the
foundation
and the cubicle
floor
.
Slope
the
grout
so
the breaker
can
be
easily
wheeled
in
and
out
of
the cubicle
.
When sill channels
are
used
,
customers
'
floor
must
not
project
above the
mounting
surface of
the channels
at
any
point
within
the
floor
area
covered
by
the
switchgear
cubicles
.
Sill
channels
and
anchor
bolts
furnished
by
customer
unless
covered
by
contract
.
Conduit
height
not
to
exceed
1.0
"
above
floor
line
.
Rear
access area
37
"
recommended
(
or
greater
if
required
by
code
or
regulation
)
(
Area
A
)
Maximum available
space
for
customer
primary
connection
from
lower breaker thru
top
or
upper
breaker
through
bottom
36.0
20.75
26.00
Cable
areas
-
maximum
area
for
cables
from
:
4.25
4.25
F
,
i
T
Area
A
-
20.75
*
x
8.50
*
deep
8.50
(
527
X
216
mm
)
For
cables
from
either
:
top
breaker
out
top
(
when bottom breaker
also exits
top
)
;
1
*
15
I
I
J
—
(
Area
Q
r
—
r
—
i
850
1
I
I
39
75
(
Area
B
)
Maximum available
space
for
customer
primary
connection
from
lower breaker thru bottom
or
upper
breaker
through
top
Detail
5.1
120
7.6
r
OR
+
Bottom
breaker
out
bottom
(
when
top
breaker also exits bottom
)
.
+
98 50
33.6
(
6
)
.
625
dia holes
for
.
50
dia
anchor
bolts
Area
B
-
20.75
’
x
8.50
"
deep
(
527
X
216
mm
)
For
cables
from
either
:
top
breaker
out
top
(
when bottom
breaker also exits
top
)
;
31.00
250
Allow
30.0
"
cleared
for
door
swing
on
left
hand
end
4
-
r
OR
Preferred
location
for
customer
secondary
leads below
or
above
left
hand side
(
optional
)
Bottom
breaker
out
bottom
(
when
top
breaker also
exits
bottom
)
.
T
1057
3
^
9
Area
C
-
26.0
"
x
19.15
’
deep
(
660
X
486
mm
)
For
cables
from
either
:
nearest
breaker
out
top
(
when
only
this breaker
exits
top
)
;
Allow
6.0
"
for
Breaker withdraw
Floor
must
be level
48.0
"
in
front of
switchgear
to
allow
proper
operation
of
circuit breaker
lift
truck
.
OR
Floor Plan
Nearest
breaker
out
bottom
(
when
only
this breaker exits bottom
)
.
Minimum drawout
space
for
circuit
breaker
at
floor
level is
55.0
"
.
Allow
72
"
(
recommended
)
for
breaker withdraw
Figure
7
.
Anchoring
Indoor
GM
-
SG
Switchgear
9
Courtesy of NationalSwitchgear.com