Technical
Instructions
TS
Series
Document
No.
TS
‐
3500
Page
14
SCC
Inc.
VSD
connections
only,
480VAC,
all
motors,
up
to
6
pumps
for
DA
or
Surge,
and
up
to
2
Pumps
for
Condensate
tanks
(continued)
Feedwater
Motor
HP:
10HP
Motor
FLA
(Amp):
14
Drive
Input
Current
(Amp):
20
Drive
MCCB
Size
(Amp):
50
Drive
LPJ
Fuse
Size
(Amp):
35
Number
of
Pumps
2
3
4
5
6
Total
Fuses
FLA
Calculation
(Amp)
57
77
97
117
137
Disconnect
size
(Amp)
60A
100A
100A
200A
200A
Main
disconnect
fuse
size
(Amp)
60
80
100
120
135
VSD
Fuse
holder
(Amp)
60
60
60
60
60
Enclosure
Size
24"X24"X10"
24"X24"X10"
24"X24"X10"
32"X32"X10"
32"X32"X10"
Wire
AWG
From
Disconnect
to
Distribution
TS
‐
W
‐
6
TS
‐
W
‐
2
TS
‐
W
‐
2
TS
‐
W
‐
1/0
TS
‐
W
‐
2/0
Wire
AWG
From
Distribution
to
Fuse
Holders
TS
‐
W
‐
8
TS
‐
W
‐
8
TS
‐
W
‐
8
TS
‐
W
‐
8
TS
‐
W
‐
8
Feedwater
Motor:
15HP
Motor
FLA
(Amp):
21
Drive
Input
Current
(Amp):
24
Drive
MCCB
Size
(Amp):
60
Drive
LPJ
Fuse
Size
(Amp):
40
Number
of
Pumps
2
3
4
5
6
Total
Fuses
FLA
Calculation
(Amp)
66
90
114
138
162
Disconnect
size
(Amp)
100A
100A
200A
200A
200A
Main
disconnect
fuse
size
(Amp)
70
90
115
140
165
VSD
Fuse
holder
(Amp)
60
60
60
60
60
Enclosure
Size
24"X24"X10"
24"X24"X10"
32"X32"X10"
32"X32"X10"
32"X32"X10"
Wire
AWG
From
Disconnect
to
Distribution
TS
‐
W
‐
4
TS
‐
W
‐
2
TS
‐
W
‐
1/0
TS
‐
W
‐
2/0
TS
‐
W
‐
2/0
Wire
AWG
From
Distribution
to
Fuse
Holders
TS
‐
W
‐
6
TS
‐
W
‐
6
TS
‐
W
‐
6
TS
‐
W
‐
6
TS
‐
W
‐
6
Feedwater
Motor:
20HP
Motor
FLA
(Amp):
27
Drive
Input
Current
(Amp):
38
Drive
MCCB
Size
(Amp):
90
Drive
LPJ
Fuse
Size
(Amp):
60
Number
of
Pumps
2
3
4
5
6
Total
Fuses
FLA
Calculation
(Amp)
100
138
176
214
252
Disconnect
size
(Amp)
100A
200A
200A
400A
400A
Main
disconnect
fuse
size
(Amp)
100
140
175
225
250
VSD
Fuse
holder
(Amp)
60
60
60
60
60
Enclosure
Size
24"X24"X10"
32"X32"X10"
32"X32"X10"
40"X32"X10"
40"X32"X10"
Wire
AWG
From
Disconnect
to
Distribution
TS
‐
W
‐
2
TS
‐
W
‐
2/0
TS
‐
W
‐
2/0
TS
‐
W
‐
3/0
TS
‐
W
‐
3/0
Wire
AWG
From
Distribution
to
Fuse
Holders
TS
‐
W
‐
6
TS
‐
W
‐
6
TS
‐
W
‐
6
TS
‐
W
‐
6
TS
‐
W
‐
6
Feedwater
Motor:
25HP
Motor
FLA
(Amp):
34
Drive
Input
Current
(Amp):
44
Drive
MCCB
Size
(Amp):
110
Drive
LPJ
Fuse
Size
(Amp):
70
Number
of
Pumps
2
3
4
5
6
Total
Fuses
FLA
Calculation
(Amp)
116
160
204
248
292
Disconnect
size
(Amp)
200A
200A
200A
400A
400A
Main
disconnect
fuse
size
(Amp)
120
165
200
250
300
VSD
Fuse
holder
(Amp)
100
100
100
100
100
Enclosure
Size
40"X40"X12"
40"X40"X12"
40"X40"X12"
47"X40"X12"
47"X40"X12"
Wire
AWG
From
Disconnect
to
Distribution
TS
‐
W
‐
1/0
TS
‐
W
‐
2/0
TS
‐
W
‐
2/0
TS
‐
W
‐
3/0
TS
‐
W
‐
4/0
Wire
AWG
From
Distribution
to
Fuse
Holders
TS
‐
W
‐
4
TS
‐
W
‐
4
TS
‐
W
‐
4
TS
‐
W
‐
4
TS
‐
W
‐
4
