Download CAUTION - Electric Regulator Corporation

Wire Size Tables
230 VAC 3 Phase 60 Hz Input
HP
5
7.5
10
15
20
25
30
40
50
60
75
100
125
150
Full Load
AC Amps
17
25
32
49
63
79
93
124
156
184
229
300
380
450
460 VAC 3 Phase 60 Hz Input
Minimum Wire Size
Circuit Breaker
for 40 ft length
AC Amps at 250VAC
12 AWG
25
10 AWG
30
8 AWG
40
6 AWG
70
4 AWG
90
3 AWG
100
1 AWG
125
00 AWG
175
000 AWG
200
0000 AWG
225
300 MCM
300
500 MCM
400
(2) 250 MCM
500
(2) 350 MCM
600
HP
5
7.5
10
15
20
25
30
40
50
60
75
100
125
150
200
250
Full Load
AC Amps
8.6
11
13.5
21
27
34
40
54
67
80
99
133
167
202
266
375
240 VDC Armature
HP
5
7.5
10
15
20
25
30
40
50
60
75
100
125
150
Full Load
DC Amps
19
28
36
54
70
87
105
139
173
205
254
337
325
504
Minimum Wire Size
for 40 ft length
10 AWG
8 AWG
6 AWG
4 AWG
2 AWG
1 AWG
0 AWG
0000 AWG
250 MCM
300 MCM
500 MCM
(2) 250 MCM
(2) 350 MCM
(2) 500 MCM
Minimum Wire Size
Circuit Breaker
for 40 ft length
AC Amps at 600VAC
14 AWG
10
14 AWG
15
12 AWG
20
10 AWG
30
8 AWG
35
8 AWG
40
6 AWG
50
4 AWG
70
4 AWG
90
3 AWG
100
1 AWG
125
00 AWG
175
0000 AWG
225
250 MCM
300
(2) 000 AWG
400
(2) 250 MCM
500
500 VDC Armature
DC Fuse Amps
(if used)
25
40
50
70
100
150
150
200
250
300
400
600
600
800
HP
5
7.5
10
15
20
25
30
40
50
60
75
100
125
150
200
250
150 VDC Field
Wire Size for 40 ft Length
5 - 75 H.P. : 14 AWG
100 - 200 H.P. : 12 AWG
Full Load
DC Amps
10
12
15
23
30
38
45
60
75
90
110
148
185
218
295
408
Minimum Wire Size
for 40 ft length
12 AWG
12 AWG
10 AWG
8 AWG
8 AWG
6 AWG
4 AWG
3 AWG
2 AWG
1 AWG
00 AWG
0000 AWG
300 MCM
(2) 000 AWG
(2) 250 MCM
(2) 350 MCM
DC Fuse Amps
(if used)
15
20
25
35
45
60
70
100
150
150
200
250
300
400
600
600
300 VDC Field
Wire Size for 40 ft Length
5 - 75 H.P. : 14 AWG
100 - 200 H.P. : 14 AWG
Elementary Power Connection Diagram
DC Motor
A-
DC Drive
A
A+
L1F L2F L1C L2C L1S L2S L3S
ABC
FIELD
3A
fuse
115V
Page 6
F+
L1
L2
L3
L1
L2
L3
F-
L1C and L2C are alternately marked 115V.