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NEC 2005: Table 430.247

 

Full-Load Current in Amperes, Direct-Current Motors
  Armature Voltage Rating
Horsepower 90 Volts 120 Volts 180 Volts 240 Volts 500 Volts 550 Volts
1⁄4 4 3.1 2 1.6
1⁄3 5.2 4.1 2.6 2
1⁄2 6.8 5.4 3.4 2.7
3⁄4 9.6 7.6 4.8 3.8
1 12.2 9.5 6.1 4.7
1 1⁄2 13.2 8.3 6.6
2 17 10.8 8.5
3 25 16 12.2
5 40 27 20
7 1⁄2 58 29 13.6 12.2
10 76 38 18 16
15 55 27 24
20 72 34 31
25 89 43 38
30 106 51 46
40 140 67 61
50 173 83 75
60 206 99 90
75 255 123 111
100 341 164 148
125 425 205 185
150 506 246 222
200 675 330 294

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