Motor Current Ratings
Table 4: Full Load Motor Nominal Currents in Amperes
Corresponding to 60Hz AC Horsepower Ratings
(Always refer to motor nameplate data when available)
HP |
110-120V |
220-240V |
440-480V |
550-600V |
| 1Ø |
3Ø |
1Ø |
3Ø |
1Ø |
3Ø |
1Ø |
3Ø |
| 1/4 |
5.8 |
- |
2.9 |
- |
- |
- |
- |
- |
| 1/3 |
7.2 |
- |
3.6 |
- |
- |
- |
- |
- |
| 1/2 |
9.8 |
4.0 |
4.9 |
2.0 |
2.5 |
1.0 |
2.0 |
0.8 |
| 3/4 |
13.8 |
5.6 |
6.9 |
2.8 |
3.5 |
1.4 |
2.8 |
1.1 |
| 1 |
16.0 |
7.2 |
8.0 |
3.6 |
4.0 |
1.8 |
3.2 |
1.4 |
| 1 1/2 |
20.0 |
10.4 |
10.0 |
5.2 |
5.0 |
2.6 |
4.0 |
2.1 |
| 2 |
24.0 |
13.6 |
12.0 |
6.8 |
6.0 |
3.4 |
4.8 |
2.7 |
| 3 |
34.0 |
19.2 |
17.0 |
9.6 |
8.5 |
4.8 |
6.8 |
3.9 |
| 5 |
56.0 |
30.4 |
28.0 |
15.2 |
14.0 |
7.6 |
11.2 |
6.1 |
| 7 1/2 |
80.0 |
44.0 |
40.0 |
22.0 |
21.0 |
11.0 |
16.0 |
9.0 |
| 10 |
100.0 |
56.0 |
50.0 |
28.0 |
26.0 |
14.0 |
20.0 |
11.0 |
| 15 |
135.0 |
84.0 |
68.0 |
42.0 |
34.0 |
21.0 |
27.0 |
17.0 |
| 20 |
- |
108.0 |
88.0 |
54.0 |
44.0 |
27.0 |
35.0 |
22.0 |
| 25 |
- |
136.0 |
110.0 |
68.0 |
55.0 |
34.0 |
44.0 |
27.0 |
| 30 |
- |
160.0 |
136.0 |
80.0 |
68.0 |
40.0 |
54.0 |
32.0 |
| 40 |
- |
208.0 |
176.0 |
104.0 |
88.0 |
52.0 |
70.0 |
41.0 |
| 50 |
- |
260.0 |
216.0 |
130.0 |
108.0 |
65.0 |
86.0 |
52.0 |
| 60 |
- |
- |
- |
154.0 |
- |
77.0 |
- |
62.0 |
| 75 |
- |
- |
- |
192.0 |
- |
96.0 |
- |
77.0 |
| 100 |
- |
- |
- |
248.0 |
- |
124.0 |
- |
99.0 |
| 125 |
- |
- |
- |
312.0 |
- |
156.0 |
- |
125.0 |
| 150 |
- |
- |
- |
360.0 |
- |
180.0 |
- |
144.0 |
| 200 |
- |
- |
- |
480.0 |
- |
240.0 |
- |
192.0 |
Note: The information in the above table was derived from Table
18 in CSA standard C22.2 # 14, Tables 44 and 45 in CSA standard C22.1 Part 1 and Tables
430-138 and 430-149 in the 1993 National Electrical Code Handbook. This table is for
reference only and complete information should be obtained from the appropriate agency. |
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