|
Full-Load
Currents of Motors
Note: the following table contains
approximate full-load currents for motors of various
types, speeds, and frequencies. Variations of ±10%
may be expected.
|
Hp. of
Motor
|
Current -
Full-Load (Amperes)
|
|
Direct-current
Motors
|
Single-phase
Motors
|
|
115
volt
|
230
volt
|
550
volt
|
110
volt
|
220
volt
|
|
¼
|
|
|
|
4.8
|
2.4
|
|
½
|
4.5
|
2.3
|
|
7
|
3.5
|
|
¾
|
6.5
|
3.3
|
1.4
|
9.4
|
4.7
|
|
1
|
8.4
|
4.2
|
1.7
|
11
|
5.5
|
|
1 ½
|
12.5
|
6.3
|
2.6
|
15.2
|
7.6
|
|
2
|
16.1
|
8.3
|
3.4
|
20
|
10
|
|
3
|
23
|
12.3
|
5.0
|
28
|
14
|
|
5
|
40
|
19.8
|
8.2
|
46
|
23
|
|
7 ½
|
58
|
28.7
|
12
|
68
|
34
|
|
10
|
75
|
38
|
16
|
86
|
43
|
|
15
|
112
|
56
|
23
|
|
|
|
20
|
140
|
74
|
30
|
|
|
|
25
|
185
|
92
|
38
|
|
|
|
30
|
220
|
110
|
45
|
|
|
|
40
|
294
|
146
|
61
|
|
|
|
50
|
364
|
18
|
75
|
|
|
|
60
|
436
|
215
|
90
|
|
|
|
75
|
540
|
268
|
111
|
|
|
|
100
|
|
357
|
146
|
|
|
|
125
|
|
443
|
184
|
|
|
|
150
|
|
|
220
|
|
|
|
175
|
|
|
|
|
|
|
200
|
|
|
295
|
|
|
Full-Load Currents of Motors
(Continued)
|
HP of
Motor
|
Current -
Full-Load (Amperes)
|
|
Alternating-Current
Motors
|
|
Squirrel-Cage
Induction Motors
|
Slip-Ring
Induction Motors
|
|
Two-phase
|
Three-phase
|
Two-phase
|
Three-phase
|
|
110
volt
|
220
volt
|
440
volt
|
550
volt
|
2300
volt
|
110
volt
|
220
volt
|
440
volt
|
550
volt
|
2300
volt
|
110
volt
|
220
volt
|
440
volt
|
550
volt
|
2300
volt
|
110
volt
|
220
volt
|
440
volt
|
550
volt
|
2300
volt
|
|
¼
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
½
|
4.3
|
2.2
|
1.1
|
.9
|
|
5.0
|
2.5
|
1.3
|
1.0
|
|
|
|
|
|
|
|
|
|
|
|
|
¾
|
4.7
|
2.4
|
1.2
|
1.0
|
|
5.4
|
2.8
|
1.4
|
1.1
|
|
6.2
|
3.1
|
1.6
|
1.3
|
|
7.2
|
3.6
|
1.8
|
1.5
|
|
|
1
|
5.7
|
2.9
|
1.4
|
1.2
|
|
6.6
|
3.3
|
1.7
|
1.3
|
|
6.7
|
3.4
|
1.7
|
1.4
|
|
7.8
|
3.9
|
2.0
|
1.6
|
|
|
1 ½
|
7.7
|
4.0
|
2
|
1.6
|
|
9.4
|
4.7
|
2.4
|
2.0
|
|
11.7
|
5.9
|
3.0
|
2.3
|
|
14.4
|
|
|
|
|
|
2
|
10.4
|
5
|
3
|
2.0
|
|
12.0
|
6
|
3.0
|
2.4
|
|
12.5
|
6.3
|
3.1
|
2.5
|
|
20.02
|
7.2
|
3.6
|
2.9
|
|
|
3
|
|
8
|
4
|
3.0
|
|
|
9
|
4.5
|
4.0
|
|
|
8.7
|
4.3
|
3.5
|
|
|
10
|
5.0
|
4
|
|
|
5
|
|
13
|
7
|
6
|
|
|
15
|
7.5
|
6.0
|
|
|
13.0
|
6.5
|
5.2
|
|
|
15
|
7.5
|
6
|
|
|
7 ½
|
|
19
|
9
|
7
|
|
|
22
|
11
|
9.0
|
|
|
20.0
|
10.0
|
7.6
|
|
|
25
|
13
|
10
|
|
|
10
|
|
24
|
12
|
10
|
|
|
27
|
14
|
11
|
|
|
24.3
|
12.1
|
10.0
|
|
|
28
|
14
|
11
|
|
|
15
|
|
33
|
16
|
13
|
|
|
38
|
19
|
15
|
|
|
39
|
19.5
|
15.6
|
|
|
45
|
23
|
18
|
|
|
20
|
|
45
|
23
|
19
|
|
|
52
|
26
|
21
|
5.7
|
|
49
|
24.7
|
19.8
|
|
|
56
|
28
|
22
|
|
|
25
|
|
55
|
28
|
22
|
|
|
64
|
32
|
26
|
7
|
|
60
|
30.0
|
24.0
|
6.4
|
|
67
|
34
|
27
|
7.5
|
|
30
|
|
67
|
34
|
27
|
7
|
|
77
|
39
|
31
|
8
|
|
72
|
36.0
|
28.8
|
7.8
|
|
82
|
41
|
33
|
9
|
|
40
|
|
88
|
44
|
35
|
9
|
|
101
|
51
|
40
|
10
|
|
93
|
46.5
|
37.3
|
9.5
|
|
106
|
53
|
42
|
11
|
|
50
|
|
108
|
54
|
43
|
11
|
|
125
|
63
|
50
|
13
|
|
113
|
57
|
45
|
12.1
|
|
128
|
64
|
51
|
14
|
|
60
|
|
129
|
65
|
52
|
13
|
|
149
|
75
|
60
|
15
|
|
135
|
68
|
54
|
14.0
|
|
150
|
75
|
60
|
16
|
|
75
|
|
156
|
78
|
62
|
16
|
|
180
|
90
|
72
|
19
|
|
164
|
82
|
65
|
17.3
|
|
188
|
94
|
75
|
19
|
|
100
|
|
212
|
106
|
85
|
22
|
|
246
|
123
|
98
|
25
|
|
214
|
108
|
87
|
21.7
|
|
246
|
123
|
99
|
25
|
|
125
|
|
268
|
134
|
108
|
27
|
|
310
|
155
|
124
|
32
|
|
267
|
134
|
108
|
27
|
|
310
|
155
|
124
|
31
|
|
150
|
|
311
|
155
|
124
|
31
|
|
360
|
180
|
144
|
36
|
|
315
|
158
|
127
|
32
|
|
364
|
182
|
145
|
37
|
|
175
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
200
|
|
415
|
208
|
166
|
43
|
|
480
|
240
|
195
|
49
|
|
430
|
216
|
173
|
44
|
|
490
|
245
|
196
|
52
|
|
![[hvac]](images/hvac1.gif)
![[coolac]](images/coolani_ss.gif)