Electrical Reference Resources
Full-load current in amperes
Direct current motors
Armature Voltage Rating*
|
HP |
90V |
120V |
180V |
240V |
500V |
550V |
|
1/4 |
4.0 |
3.1 |
2 |
1.6 |
- |
- |
|
1/3 |
5.2 |
4.1 |
2.6 |
2 |
- |
- |
|
1/2 |
6.8 |
5.4 |
3.4 |
2.7 |
- |
- |
|
3/4 |
9.6 |
7.6 |
4.8 |
3.8 |
- |
- |
|
1
|
12.2 |
9.5 |
6.1 |
4.7 |
- |
- |
|
1 1/2 |
- |
13.2 |
8.3 |
6.6 |
- |
- |
|
2
|
- |
17 |
10.8 |
8.5 |
- |
- |
|
3
|
- |
25 |
16 |
12.2 |
- |
- |
|
5
|
- |
40 |
27 |
20 |
- |
- |
|
7 1/2 |
- |
58 |
- |
29 |
13.6 |
12.2 |
|
10
|
- |
76 |
- |
38 |
18 |
16 |
|
15
|
- |
- |
- |
55 |
27 |
24 |
|
20
|
- |
- |
- |
72 |
34 |
31 |
|
25
|
- |
- |
- |
89 |
43 |
38 |
|
30
|
- |
- |
- |
106 |
51 |
46 |
|
40
|
- |
- |
- |
140 |
67 |
61 |
|
50
|
- |
- |
- |
173 |
83 |
75 |
|
60
|
- |
- |
- |
206 |
99 |
90 |
|
75
|
- |
- |
- |
255 |
123 |
111 |
|
100
|
- |
- |
- |
341 |
164 |
148 |
|
125
|
- |
- |
- |
425 |
205 |
185 |
|
150
|
- |
- |
- |
506 |
246 |
222 |
|
200
|
- |
- |
- |
675 |
330 |
294 |
These values of full-load currents* are for motors
running at base speed.
* These are average dc quanties.
© Ugly's™ Electrical References revised
2008 Edition