Full Load Current in Amps for Direct Current Motors

To find the full load current of your DC motor, use the armature voltage rating of your motor running at the base speed and your motor's horsepower to look up the full load amps in the chart below.

Find the Full Load Current Chart for your DC Motor Armature Voltage Rating

To jump to the section of the DC Motor Full Load Amps Chart for your motor, select a voltage.

90 V ↓

120 V ↓

180 V ↓

240 V ↓

500 V ↓

550 V ↓

Full-Load Current in Amps for Direct Current Motors at Base Speed

HP Armature Voltage Rating
90V 120V 180V
1⁄4 4.0 3.1 2.0
1⁄3 5.2 4.1 2.6
1⁄2 6.8 5.4 3.4
3⁄4 9.6 7.6 4.8
1 12.2 9.5 6.1
1 1⁄2 - 13.2 8.3
2 - 17.0 10.8
3 - 25.0 16.0
5 - 40.0 27.0
7 1⁄2 - 58.0 -
10 - 76.0 -
15 - - -
20 - - -
25 - - -
30 - - -
40 - - -
50 - - -
60 - - -
75 - - -
100 - - -
125 - - -
150 - - -
200 - - -
HP Armature Voltage Rating
240V 500V 550V
1⁄4 1.6 - -
1⁄3 2.0 - -
1⁄2 2.7 - -
3⁄4 3.8 - -
1 4.7 - -
1 1⁄2 6.6 - -
2 8.5 - -
3 12.2 - -
5 20.0 - -
7 1⁄2 29.0 13.6 12.2
10 38.0 18.0 16.0
15 55.0 27.0 24.0
20 72.0 34.0 31.0
25 89.0 43.0 38.0
30 106.0 51.0 46.0
40 140.0 67.0 61.0
50 173.0 83.0 75.0
60 206.0 99.0 90.0
75 255.0 123.0 111.0
100 341.0 164.0 148.0
125 425.0 205.0 185.0
150 506.0 246.0 222.0
200 675.0 330.0 294.0

Table 430.247, 2020 NEC®

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Warning: For safety, call a licensed electrician and consult the NEC®. All licensed electricians have passed examinations covering the National Electric Code®, know state and local building codes, and may carry insurance to cover damages.