SPECIFICATIONS
Circuit Breaker and Fused Disconnect Switch Sizes — 36 to 57 kW
kW
volts
Phase
36
208
1
208
3
240
1
240
3
380
3
480
3
600
3
39
208
1
208
3
240
1
240
3
380
3
480
3
600
3
40
208
3
40.5
208
3
240
3
480
3
600
3
45
208
3
240
1
240
3
380
3
480
3
600
3
54
208
3
240
3
380
3
480
3
600
3
57
208
3
240
3
380
3
480
3
600
3
The shaded area contains electrical information for International models only.
Wire size is based on THHN insulated, copper wire for branch circuit protection at .91 derate factor. Circuit breakers and fused
disconnects are to be mounted remote and wired by contractor. Sizes are based on the 2002 NEC table 310-16. Conduit size
based on conductors plus ground wire sizing per Table C1 from appendix C.
NOTE: 250 kcmil maximum wire size for terminal block.
WARNING
ELECTRIC SHOCK HAzARD: Consult a licensed electrical
contractor for proper electrical installation conforming to
local electrical codes and the National Electrical Code
(N.E.C.).
Amp Draw
L1
L2
L3
173
173
--
100
100
100
150
150
--
86.7
86.7
86.7
54.7
54.7
54.7
43.3
43.3
43.3
34.7
34.7
34.7
187.5
187.5
--
108
108
108
163.5
163.5
--
94
94
94
59.3
59.3
59.3
47
47
47
37.6
37.6
37.6
61.6
61.6
61.6
112.5
112.5
112.5
97.5
97.5
97.5
48.8
48.8
48.8
39
39
39
125
125
125
188
188
--
108
108
108
68.6
68.6
68.6
54
54
54
43.4
43.4
43.4
150
150
150
130
130
130
82
82
82
65
65
65
52
52
52
158.4
158.4
158.4
137.3
137.3
137.3
86.7
86.7
86.7
68.6
68.6
68.6
54.9
54.9
54.9
Breaker or Fuse
Size
225
125
200
125
70
60
50
250
150
225
125
90
60
50
90
150
125
70
50
175
250
150
90
70
60
200
175
125
90
70
200
175
125
90
70
8
English
Copper Wire
Size
Conduit Size
4/0
1-1/2" (38 mm)
1
1-1/4" (32 mm)
3/0
1-1/2" (38 mm)
1
1-1/4" (32 mm)
4
1" (25 mm)
6
3/4" (19 mm)
8
1/2" (13 mm)
250 kcmil
2" (51 mm)
1/0
1-1/4" (32 mm)
4/0
2" (51 mm)
1
1-1/4" (32 mm)
3
1" (25 mm)
6
3/4" (19 mm)
8
1/2" (13 mm)
3
1" (25 mm)
1/0
1-1/4" (32 mm)
1
1-1/4" (32 mm)
4
1" (25 mm)
8
3/4" (19 mm)
2/0
1-1/2" (38 mm)
250 kcmil
2" (51 mm)
1/0
1-1/4" (32 mm)
3
1" (25 mm)
4
1" (25 mm)
6
3/4" (19 mm)
3/0
2" (51 mm)
2/0
1-1/2" (38 mm)
1
1-1/4" (32 mm)
3
1" (25 mm)
4
1" (25 mm)
3/0
2" (51 mm)
2/0
1-1/2" (38 mm)
1
1-1/4" (32 mm)
3
1" (25 mm)
4
1" (25 mm)
Form No. EBOOSTERm-0816