Electrical Reference Resources


Full-load current
Three-phase alternating current motors


 Induction Type
Squirrel-Cage and Wound-Rotor
Amperes
 Synchronous Type
Unity Power Factor*
Amperes
HP 115
Volts
220
Volts
208
Volts
230
Volts
460
Volts
575
Volts
2300
Volts
230
Volts
460
Volts
575
Volts
2300
Volts
 1/2 4.4 2.5 2.4 2.2 1.1 0.9 - - - - -
 3/4 6.4 3.7 3.5 3.2 1.6 1.3 - - - - -
1    8.4 4.8 4.6 4.2 2.1 1.7 - - - - -
1 1/2 12.0 6.9 6.6 6 3.0 2.4 - - - - -
2    13.6 7.8 7.5 6.8 3.4 2.7 - - - - -
3    - 11.0 10.6 9.6 4.8 3.9 - - - - -
5    - 17.5 16.7 15.2 7.6 6.1 - - - - -
7 1/2 - 25.3 24.2 22 11 9 - - - - -
10    - 32.2 30.8 28 14 11 - - - - -
15    - 48.3 46.2 42 21 17 - - - - -
20    - 62.1 59.4 54 27 22 - - - - -
25    - 78.2 74.8 68 34 27 - 53 26 21 -
30    - 92 88 80 40 32 - 63 32 26 -
40    - 120 114 104 52 41 - 83 41 33 -
50    - 150 143 130 65 52 - 104 52 42 -
60    - 177 169 154 77 62 16 123 61 49 12
75    - 221 211 192 96 77 20 155 78 62 15
100    - 285 273 248 124 99 26 202 101 81 20
125    - 359 343 312 156 125 31 253 126 101 25
150    - 414 396 360 180 144 37 302 151 121 30
200    - 552 528 480 240 192 49 400 201 161 40
250    - - - - 302 242 60 - - - -
300    - - - - 361 289 72 - - - -
350    - - - - 414 336 83 - - - -
400    - - - - 477 382 95 - - - -
450    - - - - 515 412 103 - - - -
500    - - - - 590 472 118 - - - -

 The Voltages listed are rated motor voltages. The current list shall be permitted
for system voltage ranges of 110 to 120, 220 to 240, 440 to 480, and 550 - 600 volts.
* For 90 and 80 percent power factor, the above figures shall be multiplied by 1.1 and 1.25 respectively.
© Ugly's™ Electrical References revised 2008 Edition