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Motor Current Ratings
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
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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