(based on copper conductors)
Motors:
A - 115 volts. Single Phase
B - 220 volts, 3-Phase
C - 440 volts, 3-Phase
|
HP Rating |
Nominal Amperage |
Protection Amperage |
|||||||
|
Overload |
Circuit Fuse |
||||||||
|
A |
B |
C |
A |
B |
C |
A |
B |
C |
|
|
¼ |
5.8 |
- |
- |
6.7 |
- |
- |
20 |
- |
- |
|
1/3 |
7.2 |
- |
- |
8.3 |
- |
- |
25 |
- |
- |
|
½ |
9.8 |
2.0 |
1.0 |
11.0 |
2.5 |
1.2 |
30 |
15 |
15 |
|
¾ |
13.8 |
2.8 |
1.4 |
15.8 |
3.5 |
1.7 |
45 |
15 |
15 |
|
1 |
16 |
3.5 |
1.8 |
18.4 |
4.5 |
2.2 |
50 |
15 |
15 |
|
1 ½ |
20 |
5.0 |
2.5 |
23.0 |
5.5 |
2.7 |
60 |
15 |
15 |
|
2 |
24 |
7.5 |
3.3 |
27.6 |
7.5 |
3.7 |
80 |
20 |
15 |
|
3 |
34 |
9.0 |
4.5 |
39.1 |
10.0 |
5.0 |
110 |
30 |
15 |
|
5 |
56 |
15.0 |
7.5 |
64.4 |
16.5 |
8.2 |
175 |
40 |
25 |
|
7 ½ |
80 |
22.0 |
11.0 |
92.0 |
24.0 |
12.0 |
250 |
60 |
30 |
|
10 |
100 |
27.0 |
14.0 |
115.0 |
31.5 |
15.7 |
300 |
80 |
40 |
|
15 |
- |
40.0 |
20.0 |
- |
46.5 |
23.2 |
- |
100 |
60 |
|
20 |
- |
52.0 |
26.0 |
- |
62.0 |
31.0 |
- |
150 |
80 |
|
30 |
- |
78.0 |
39.0 |
- |
89.0 |
44.5 |
- |
250 |
125 |
|
50 |
- |
125.0 |
63.0 |
- |
145.0 |
72.5 |
- |
400 |
200 |
|
100 |
- |
246.0 |
123.0 |
- |
300.0 |
150.0 |
- |
- |
400 |
|
150 |
- |
360.0 |
180.0 |
- |
435.0 |
217.5 |
- |
- |
600 |
