Electrical Reference Resources
Full-load current
Three-phase alternating current motors
|
Induction Type
Squirrel-Cage and Wound-Rotor
Amperes
|
Synchronous Type
Unity Power Factor*
Amperes
|
HP |
115
Volts |
220
Volts |
208
Volts |
230
Volts |
460
Volts |
575
Volts |
2300
Volts |
230
Volts |
460
Volts |
575
Volts |
2300
Volts |
1/2 |
4.4 |
2.5 |
2.4 |
2.2 |
1.1 |
0.9 |
- |
- |
- |
- |
- |
3/4 |
6.4 |
3.7 |
3.5 |
3.2 |
1.6 |
1.3 |
- |
- |
- |
- |
- |
1
|
8.4 |
4.8 |
4.6 |
4.2 |
2.1 |
1.7 |
- |
- |
- |
- |
- |
1 1/2 |
12.0 |
6.9 |
6.6 |
6 |
3.0 |
2.4 |
- |
- |
- |
- |
- |
2
|
13.6 |
7.8 |
7.5 |
6.8 |
3.4 |
2.7 |
- |
- |
- |
- |
- |
3
|
- |
11.0 |
10.6 |
9.6 |
4.8 |
3.9 |
- |
- |
- |
- |
- |
5
|
- |
17.5 |
16.7 |
15.2 |
7.6 |
6.1 |
- |
- |
- |
- |
- |
7 1/2 |
- |
25.3 |
24.2 |
22 |
11 |
9 |
- |
- |
- |
- |
- |
10
|
- |
32.2 |
30.8 |
28 |
14 |
11 |
- |
- |
- |
- |
- |
15
|
- |
48.3 |
46.2 |
42 |
21 |
17 |
- |
- |
- |
- |
- |
20
|
- |
62.1 |
59.4 |
54 |
27 |
22 |
- |
- |
- |
- |
- |
25
|
- |
78.2 |
74.8 |
68 |
34 |
27 |
- |
53 |
26 |
21 |
- |
30
|
- |
92 |
88 |
80 |
40 |
32 |
- |
63 |
32 |
26 |
- |
40
|
- |
120 |
114 |
104 |
52 |
41 |
- |
83 |
41 |
33 |
- |
50
|
- |
150 |
143 |
130 |
65 |
52 |
- |
104 |
52 |
42 |
- |
60
|
- |
177 |
169 |
154 |
77 |
62 |
16 |
123 |
61 |
49 |
12 |
75
|
- |
221 |
211 |
192 |
96 |
77 |
20 |
155 |
78 |
62 |
15 |
100
|
- |
285 |
273 |
248 |
124 |
99 |
26 |
202 |
101 |
81 |
20 |
125
|
- |
359 |
343 |
312 |
156 |
125 |
31 |
253 |
126 |
101 |
25 |
150
|
- |
414 |
396 |
360 |
180 |
144 |
37 |
302 |
151 |
121 |
30 |
200
|
- |
552 |
528 |
480 |
240 |
192 |
49 |
400 |
201 |
161 |
40 |
250
|
- |
- |
- |
- |
302 |
242 |
60 |
- |
- |
- |
- |
300
|
- |
- |
- |
- |
361 |
289 |
72 |
- |
- |
- |
- |
350
|
- |
- |
- |
- |
414 |
336 |
83 |
- |
- |
- |
- |
400
|
- |
- |
- |
- |
477 |
382 |
95 |
- |
- |
- |
- |
450
|
- |
- |
- |
- |
515 |
412 |
103 |
- |
- |
- |
- |
500
|
- |
- |
- |
- |
590 |
472 |
118 |
- |
- |
- |
- |
The Voltages listed are rated motor voltages. The
current list shall be permitted
for system voltage ranges of 110 to 120, 220 to 240, 440 to 480, and 550 - 600
volts.
* For 90 and 80 percent power factor, the above figures shall be multiplied by
1.1 and 1.25 respectively.
© Ugly's™ Electrical References revised 2008 Edition