Full Load Current in Amps for 3 Phase Motors
To find the approximate full load current of your 3 phase AC motor, use your motor's horsepower, volts, and R.P.M. to look up the full load amps in the chart below.
Full Load Current Chart in Amps
for 3 Phase Motors
Horsepower (HP) |
Volts |
Motor R.P.M. |
@3800 |
@1800 |
@1200 |
@900 |
1/2 |
230V |
----- |
1.72 |
2.15 |
2.38 |
460V |
----- |
0.86 |
1.08 |
1.19 |
3/4 |
230V |
----- |
2.46 |
2.93 |
3.26 |
460V |
----- |
1.23 |
1.46 |
1.63 |
1 |
230V |
2.80 |
3.56 |
3.76 |
4.30 |
460V |
1.40 |
1.78 |
1.88 |
2.15 |
1 1/2 |
230V |
4.36 |
4.86 |
5.28 |
5.60 |
460V |
2.18 |
2.43 |
2.64 |
2.80 |
2 |
230V |
5.60 |
6.40 |
6.84 |
7.90 |
460V |
2.80 |
3.20 |
3.42 |
3.95 |
3 |
230V |
8.34 |
9.40 |
10.20 |
11.40 |
460V |
4.17 |
4.70 |
5.12 |
5.70 |
5 |
230V |
13.50 |
14.40 |
15.80 |
15.90 |
460V |
6.76 |
7.21 |
7.91 |
7.92 |
7 1/2 |
230V |
19.50 |
21.50 |
21.80 |
23.00 |
460V |
9.79 |
10.70 |
10.90 |
11.50 |
10 |
230V |
25.40 |
26.80 |
28.00 |
30.50 |
460V |
12.70 |
13.40 |
24.00 |
15.20 |
15 |
230V |
36.40 |
39.20 |
41.40 |
44.50 |
460V |
18.20 |
19.60 |
20.70 |
22.20 |
20 |
230V |
50.40 |
51.20 |
52.80 |
54.90 |
460V |
25.20 |
25.60 |
26.40 |
27.40 |
25 |
230V |
60.80 |
64.80 |
65.60 |
67.30 |
460V |
30.40 |
32.40 |
32.80 |
33.70 |
30 |
230V |
73.70 |
75.60 |
78.80 |
81.80 |
460V |
36.80 |
37.80 |
39.40 |
40.90 |
40 |
230V |
96.40 |
101.00 |
102.00 |
105.00 |
460V |
48.20 |
50.50 |
50.60 |
52.50 |
50 |
230V |
120.00 |
124.00 |
126.00 |
130.00 |
460V |
60.00 |
62.00 |
63.00 |
65.00 |
60 |
230V |
143.00 |
149.00 |
150.00 |
154.00 |
460V |
71.50 |
74.50 |
75.00 |
77.00 |
75 |
230V |
179.00 |
183.00 |
184.00 |
193.00 |
460V |
89.60 |
91.50 |
92.00 |
96.50 |
100 |
230V |
231.00 |
236.00 |
239.00 |
252.00 |
460V |
115.00 |
118.00 |
120.00 |
126.00 |
125 |
230V |
292.00 |
293.00 |
298.00 |
305.00 |
460V |
146.00 |
147.00 |
149.00 |
153.00 |
150 |
230V |
343.00 |
348.00 |
350.00 |
365.00 |
460V |
171.00 |
174.00 |
175.00 |
183.00 |
200 |
230V |
458.00 |
452.00 |
460.00 |
482.00 |
460V |
229.00 |
226.00 |
230.00 |
241.00 |
All full load current values are approximate values.
To jump to the full load amps for your motor, select a motor horsepower:
Motor R.P.M. |
Horsepower: 1/2 |
Horsepower: 3/4 |
230V |
460V |
230V |
460V |
@3800 |
---- |
---- |
---- |
---- |
@1800 |
1.72 |
0.86 |
2.46 |
1.23 |
@1200 |
2.15 |
1.08 |
2.93 |
1.46 |
@900 |
2.38 |
1.19 |
3.26 |
1.63 |
Motor R.P.M. |
Horsepower: 1 |
Horsepower: 1 1/2 |
230V |
460V |
230V |
460V |
@3800 |
2.80 |
1.40 |
4.36 |
2.18 |
@1800 |
3.56 |
1.78 |
4.86 |
2.43 |
@1200 |
3.76 |
1.88 |
5.28 |
2.64 |
@900 |
4.30 |
2.15 |
5.60 |
2.80 |
Motor R.P.M. |
Horsepower: 2 |
Horsepower: 3 |
230V |
460V |
230V |
460V |
@3800 |
5.60 |
2.80 |
8.34 |
4.17 |
@1800 |
6.40 |
3.20 |
9.40 |
4.70 |
@1200 |
6.84 |
3.42 |
10.20 |
5.12 |
@900 |
7.90 |
3.95 |
11.40 |
5.70 |
Motor R.P.M. |
Horsepower: 5 |
Horsepower: 7 1/2 |
230V |
460V |
230V |
460V |
@3800 |
13.50 |
6.76 |
19.50 |
9.79 |
@1800 |
14.40 |
7.21 |
21.50 |
10.70 |
@1200 |
15.80 |
7.91 |
21.80 |
10.90 |
@900 |
15.90 |
7.92 |
23.00 |
11.50 |
Motor R.P.M. |
Horsepower: 10 |
Horsepower: 15 |
230V |
460V |
230V |
460V |
@3800 |
25.40 |
12.70 |
36.40 |
18.20 |
@1800 |
26.80 |
13.40 |
39.20 |
19.60 |
@1200 |
28.00 |
24.00 |
41.40 |
20.70 |
@900 |
30.50 |
15.20 |
44.50 |
22.20 |
Motor R.P.M. |
Horsepower: 20 |
Horsepower: 25 |
230V |
460V |
230V |
460V |
@3800 |
50.40 |
25.20 |
60.80 |
30.40 |
@1800 |
51.20 |
25.60 |
64.80 |
32.40 |
@1200 |
52.80 |
26.40 |
65.60 |
32.80 |
@900 |
54.90 |
27.40 |
67.30 |
33.70 |
Motor R.P.M. |
Horsepower: 30 |
Horsepower: 40 |
230V |
460V |
230V |
460V |
@3800 |
73.70 |
36.80 |
96.40 |
48.20 |
@1800 |
75.60 |
37.80 |
101.00 |
50.50 |
@1200 |
78.80 |
39.40 |
101.00 |
50.60 |
@900 |
81.80 |
40.90 |
105.00 |
52.50 |
Motor R.P.M. |
Horsepower: 50 |
Horsepower: 60 |
230V |
460V |
230V |
460V |
@3800 |
120.00 |
60.00 |
143.00 |
71.50 |
@1800 |
124.00 |
62.00 |
149.00 |
74.50 |
@1200 |
126.00 |
63.00 |
150.00 |
75.00 |
@900 |
130.00 |
65.00 |
154.00 |
77.00 |
Motor R.P.M. |
Horsepower: 75 |
Horsepower: 100 |
230V |
460V |
230V |
460V |
@3800 |
179.00 |
89.60 |
231.00 |
115.00 |
@1800 |
183.00 |
91.50 |
236.00 |
118.00 |
@1200 |
184.00 |
92.00 |
239.00 |
120.00 |
@900 |
193.00 |
96.50 |
252.00 |
126.00 |
Motor R.P.M. |
Horsepower: 125 |
Horsepower: 150 |
230V |
460V |
230V |
460V |
@3800 |
292.00 |
146.00 |
343.00 |
171.00 |
@1800 |
293.00 |
147.00 |
348.00 |
174.00 |
@1200 |
298.00 |
149.00 |
350.00 |
175.00 |
@900 |
305.00 |
153.00 |
365.00 |
183.00 |
Motor R.P.M. |
Horsepower: 200 |
230V |
460V |
@3800 |
458.00 |
229.00 |
@1800 |
452.00 |
226.00 |
@1200 |
460.00 |
230.00 |
@900 |
482.00 |
241.00 |
All full load current values are approximate values.
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Warning: When using this information to perform electrical work, call a licensed electrician and consult the NEC® for safety.
All licensed electricians have passed examinations covering the National Electric Code®, know state and local building codes, and may carry insurance to cover damages.